| Patent | Date |
|---|
Method for ejector to ejector pixel height normalization
Grant 11,141,968 - Folkins October 12, 2 | 2021-10-12 |
System and method for operating a three-dimensional printer to compensate for radial velocity variations
Grant 10,639,841 - Donaldson , et al. | 2020-05-05 |
System and method for forming integrated interfaces within a three-dimensionally printed object with different build materials
Grant 10,486,364 - Mandel , et al. Nov | 2019-11-26 |
Method for providing color and material property options in a three-dimensional object printer
Grant 10,406,803 - Folkins , et al. Sept | 2019-09-10 |
System and method for compensating for dissimilar shrinkage rates in different materials used to form a three-dimensional printed object during additive manufacturing
Grant 10,335,995 - Condello , et al. | 2019-07-02 |
System and method for test pattern formation during three-dimensional object printing
Grant 10,052,823 - Mizes , et al. August 21, 2 | 2018-08-21 |
Method For Providing Color And Material Property Options In A Three-dimensional Object Printer
App 20180162063 - Folkins; Jeffrey J. ; et al. | 2018-06-14 |
Method Of Single Pass Printing Of Multiple Colors
App 20180126753 - Yang; Xin ; et al. | 2018-05-10 |
System and method for missing ejector correction in three-dimensional object printing by waveform adjustment
Grant 9,914,264 - Mantell , et al. March 13, 2 | 2018-03-13 |
System and method to maintain printheads operational in a continuously printing system
Grant 9,862,193 - Folkins , et al. January 9, 2 | 2018-01-09 |
Method Of Single Pass Printing Of Multiple Colors
App 20170341416 - Yang; Xin ; et al. | 2017-11-30 |
System And Method For Forming Integrated Interfaces Within A Three-dimensionally Printed Object With Different Build Materials
App 20170320270 - Mandel; Barry P. ; et al. | 2017-11-09 |
System And Method For Operating A Three-dimensional Printer To Compensate For Radial Velocity Variations
App 20170305138 - Donaldson; Patricia J. ; et al. | 2017-10-26 |
System and method for operating a three-dimensional printer to compensate for radial velocity variations
Grant 9,751,259 - Donaldson , et al. September 5, 2 | 2017-09-05 |
System And Method For Building Three-dimensional Printed Objects With Materials Having Different Properties
App 20170239890 - Folkins; Jeffrey J. ; et al. | 2017-08-24 |
System for controlling operation of a printer during three-dimensional object printing with reference to a distance from the surface of object
Grant 9,738,032 - Folkins , et al. August 22, 2 | 2017-08-22 |
Sacrificial coating and indirect printing apparatus employing sacrificial coating on intermediate transfer member
Grant 9,718,964 - Larson , et al. August 1, 2 | 2017-08-01 |
Digital manufacturing system for printing three-dimensional objects on a rotating core
Grant 9,701,064 - Donaldson , et al. July 11, 2 | 2017-07-11 |
System And Method For Compensating For Dissimilar Shrinkage Rates In Different Materials Used To Form A Three-dimensional Printed Object During Additive Manufacturing
App 20170173870 - Condello; Anthony S. ; et al. | 2017-06-22 |
Solid ink mask removal process
Grant 9,648,752 - McConville , et al. May 9, 2 | 2017-05-09 |
Method For Ejector To Ejector Pixel Height Normalization
App 20170095975 - Folkins; Jeffrey J. | 2017-04-06 |
Digital manufacturing system for printing three-dimensional objects on a rotating surface
Grant 9,604,412 - Donaldson , et al. March 28, 2 | 2017-03-28 |
Sacrificial Coating And Indirect Printing Apparatus Employing Sacrificial Coating On Intermediate Transfer Member
App 20170051155 - Larson; James R. ; et al. | 2017-02-23 |
System And Method To Maintain Printheads Operational In A Continuously Printing System
App 20170043585 - Folkins; Jeffrey J. ; et al. | 2017-02-16 |
System and method for reducing condensation on printheads in a print zone within an aqueous inkjet printer
Grant 9,539,817 - Condello , et al. January 10, 2 | 2017-01-10 |
System And Method For Reducing Condensation On Printheads In A Print Zone Within An Aqueous Inkjet Printer
App 20160332447 - Condello; Anthony S. ; et al. | 2016-11-17 |
Solid Ink Mask Removal Process
App 20160302310 - McConville; Paul ; et al. | 2016-10-13 |
Ink and media treatment to affect ink spread on media in an inkjet printer
Grant 9,463,649 - Liu , et al. October 11, 2 | 2016-10-11 |
Method of etching using inkjet printing
Grant 9,447,504 - Larson , et al. September 20, 2 | 2016-09-20 |
System and method for controlling material drop volume in three dimensional object printing
Grant 9,415,546 - Conrow , et al. August 16, 2 | 2016-08-16 |
Ink and media treatment to affect ink spread on media treated with primer in an inkjet printer
Grant 9,403,383 - Liu , et al. August 2, 2 | 2016-08-02 |
System And Method For Missing Ejector Correction In Three-dimensional Object Printing By Waveform Adjustment
App 20160167298 - Mantell; David A. ; et al. | 2016-06-16 |
System for adjusting operation of a printer during three-dimensional object printing using an optical sensor
Grant 9,327,537 - Conrow , et al. May 3, 2 | 2016-05-03 |
Sacrificial coating and indirect printing apparatus employing sacrificial coating on intermediate transfer member
Grant 9,327,519 - Larson , et al. May 3, 2 | 2016-05-03 |
System And Method For Operating A Three-dimensional Printer To Compensate For Radial Velocity Variations
App 20160096319 - Donaldson; Patricia J. ; et al. | 2016-04-07 |
Scratch resistant inks
Grant 9,228,102 - Deshiikan , et al. January 5, 2 | 2016-01-05 |
System For Controlling Operation Of A Printer During Three-Dimensional Object Printing With Reference To A Distance From The Surface Of Object
App 20150352839 - Folkins; Jeffrey J. ; et al. | 2015-12-10 |
System For Adjusting Operation Of A Printer During Three-Dimensional Object Printing Using An Optical Sensor
App 20150352872 - Conrow; Brian R. ; et al. | 2015-12-10 |
Scratch Resistant Inks
App 20150284575 - Deshiikan; Srinivasa R. ; et al. | 2015-10-08 |
Intermediate Member Surface Composition For Sensing By An Image Sensor
App 20150239256 - Kelly; Matthew Michael ; et al. | 2015-08-27 |
System and method for ink drop acceleration with time varying electrostatic fields
Grant 9,114,609 - Folkins , et al. August 25, 2 | 2015-08-25 |
System And Method For Controlling Material Drop Volume In Three Dimensional Object Printing
App 20150210011 - Conrow; Brian R. ; et al. | 2015-07-30 |
System and method for imaging and evaluating coating on an imaging surface in an aqueous inkjet printer
Grant 9,056,495 - Mizes , et al. June 16, 2 | 2015-06-16 |
Sparse test patterns in printed documents for identification of inkjet and printhead performance in a printer
Grant 9,044,960 - Mizes , et al. June 2, 2 | 2015-06-02 |
Method And Apparatus For Accumulating Excess Ink In A Stationary Receptacle In Imaging Devices That Form Images On Intermediate Imaging Surfaces
App 20150116397 - Folkins; Jeffrey J. ; et al. | 2015-04-30 |
System and method for process direction registration between multiple inkjets in an inkjet printer
Grant 9,010,893 - Mizes , et al. April 21, 2 | 2015-04-21 |
Method and apparatus for accumulating excess ink in a stationary receptacle in imaging devices that form images on intermediate imaging surfaces
Grant 9,004,631 - Folkins , et al. April 14, 2 | 2015-04-14 |
Spreader/transfix system for handling tabbed media sheets during duplex printing in an inkjet printer
Grant 8,967,789 - Mandel , et al. March 3, 2 | 2015-03-03 |
System and method for spatial dependent correction for images printed with multiple drop parameters
Grant 8,960,839 - Mantell , et al. February 24, 2 | 2015-02-24 |
Digital Manufacturing System For Printing Three-Dimensional Objects On A Rotating Core
App 20150017272 - Donaldson; Patricia J. ; et al. | 2015-01-15 |
Digital Manufacturing System For Printing Three-Dimensional Objects On A Rotating Surface
App 20150017271 - Donaldson; Patricia J. ; et al. | 2015-01-15 |
System and method for compensating for drift in multiple printheads in an inkjet printer
Grant 8,851,601 - Zhang , et al. October 7, 2 | 2014-10-07 |
Printhead having apertures for application of a surface treatment fluid
Grant 8,820,885 - Hildebrand , et al. September 2, 2 | 2014-09-02 |
System and method for sub-pixel ink drop adjustment for process direction registration
Grant 8,814,300 - Shin , et al. August 26, 2 | 2014-08-26 |
System And Method For Process Direction Registration Of Inkjets In A Printer Operating With A High Speed Image Receiving Surface
App 20140198146 - Shin; Helen Haekyung ; et al. | 2014-07-17 |
System and method for imaging and evaluating printing parameters in an aqueous inkjet printer
Grant 8,777,396 - Mizes , et al. July 15, 2 | 2014-07-15 |
System and method for process direction registration of inkjets in a printer operating with a high speed image receiving surface
Grant 8,764,149 - Shin , et al. July 1, 2 | 2014-07-01 |
System And Method For Imaging And Evaluating Printing Parameters In An Aqueous Inkjet Printer
App 20140168312 - Mizes; Howard A. ; et al. | 2014-06-19 |
System And Method For Imaging And Evaluating Coating On An Imaging Surface In An Aqueous Inkjet Printer
App 20140168304 - Mizes; Howard A. ; et al. | 2014-06-19 |
Printhead Having Apertures For Application Of A Surface Treatment Fluid
App 20140139587 - Hildebrand; Greg A. ; et al. | 2014-05-22 |
Sparse Test Patterns In Printed Documents For Identification Of Inkjet And Printhead Performance In A Printer
App 20140139579 - Mizes; Howard A. ; et al. | 2014-05-22 |
Method for identifying and verifying dash structures as candidates for test patterns and replacement patterns in an inkjet printer
Grant 8,721,026 - Shin , et al. May 13, 2 | 2014-05-13 |
Method and system for improved ink jet or printhead replacement
Grant 8,672,436 - Powers , et al. March 18, 2 | 2014-03-18 |
Method and system for split head drop size printing
Grant 8,668,294 - Mantell , et al. March 11, 2 | 2014-03-11 |
Method and system for adjusting printhead voltage parameters in an inkjet printer
Grant 8,662,616 - Steurrys , et al. March 4, 2 | 2014-03-04 |
Temperature leveling roller and pressure nip assembly
Grant 8,641,163 - Williams , et al. February 4, 2 | 2014-02-04 |
Spreader/Transfix System for Handling Tabbed Media Sheets During Duplex Printing in an Inkjet Printer
App 20140022323 - Mandel; Barry P. ; et al. | 2014-01-23 |
System and Method for Sub-Pixel Ink Drop Adjustment for Process Direction Registration
App 20140015882 - Shin; Helen HaeKyung ; et al. | 2014-01-16 |
Direct marking printer having a user configurable print resolution
Grant 8,608,278 - Larson , et al. December 17, 2 | 2013-12-17 |
Test pattern less perceptible to human observation and method of analysis of image data corresponding to the test pattern in an inkjet printer
Grant 8,585,173 - Mizes , et al. November 19, 2 | 2013-11-19 |
Protective device for inkjet printheads
Grant 8,573,733 - Mandel , et al. November 5, 2 | 2013-11-05 |
Reflex Printing with temperature feedback control
Grant 8,567,894 - Viturro , et al. October 29, 2 | 2013-10-29 |
Method and system for reflex printing to compensate for registration errors in a continuous web inkjet printer
Grant 8,529,007 - Folkins , et al. September 10, 2 | 2013-09-10 |
Method and system for printhead alignment to reduce or eliminate banding artifacts for interlaced printheads
Grant 8,517,502 - Mizes , et al. August 27, 2 | 2013-08-27 |
Method and system for aligning printheads that eject clear ink in an inkjet printer
Grant 8,506,038 - Mizes , et al. August 13, 2 | 2013-08-13 |
System And Method For Compensating For Drift In Multiple Printheads In An Inkjet Printer
App 20130201233 - Zhang; Yeqing ; et al. | 2013-08-08 |
Method and System for Split Head Drop Size Printing
App 20130155137 - Mantell; David A. ; et al. | 2013-06-20 |
Method and System for Adjusting Printhead Voltage Parameters in an Inkjet Printer
App 20130113855 - Steurrys; Christine Ann ; et al. | 2013-05-09 |
Method and system for operating a printhead to compensate for failed inkjets
Grant 8,419,160 - Mantell , et al. April 16, 2 | 2013-04-16 |
System and method for rendering image values to be printed in a single pass by serially arranged printheads
Grant 8,384,971 - Mantell , et al. February 26, 2 | 2013-02-26 |
Method and System for Aligning Printheads that Eject Clear Ink in an Inkjet Printer
App 20130021398 - Mizes; Howard A. ; et al. | 2013-01-24 |
Direct Marking Printer Having A User Configurable Print Resolution
App 20130010022 - Larson; James R. ; et al. | 2013-01-10 |
Non-contact heating of solid ink prints after ink fixing
Grant 8,350,879 - Larson , et al. January 8, 2 | 2013-01-08 |
System and method for equalizing multiple moving web velocity measurements in a double reflex printing registration system
Grant 8,346,503 - Eun , et al. January 1, 2 | 2013-01-01 |
Method And System For Operating A Printhead To Compensate For Failed Inkjets
App 20120313989 - Mantell; David A. ; et al. | 2012-12-13 |
Method and system to compensate for process direction misalignment of printheads in a continuous web inkjet printer
Grant 8,313,163 - Eun , et al. November 20, 2 | 2012-11-20 |
Reflex Printing With Temperature Feedback Control
App 20120268514 - Viturro; R. Enrique ; et al. | 2012-10-25 |
Method and system for printhead alignment to compensate for dimensional changes in a media web in an inkjet printer
Grant 8,292,398 - Mizes , et al. October 23, 2 | 2012-10-23 |
Direct marking printer having a user configurable print resolution
Grant 8,287,081 - Larson , et al. October 16, 2 | 2012-10-16 |
System and method for compensating for small ink drop size in an indirect printing system
Grant 8,256,857 - Folkins , et al. September 4, 2 | 2012-09-04 |
Reflex Printing with temperature feedback control
Grant 8,251,504 - Viturro , et al. August 28, 2 | 2012-08-28 |
Test Pattern Less Perceptible To Human Observation And Method Of Analysis Of Image Data Corresponding To The Test Pattern In An Inkjet Printer
App 20120206531 - Mizes; Howard A. ; et al. | 2012-08-16 |
Method And System For Printhead Alignment To Reduce Or Eliminate Banding Artifacts For Interlaced Printheads
App 20120206530 - Mizes; Howard A. ; et al. | 2012-08-16 |
Method And System For Reflex Printing To Compensate For Registration Errors In A Continuous Web Inkjet Printer
App 20120113176 - Folkins; Jeffrey J. ; et al. | 2012-05-10 |
Method and System For Improved Ink Jet or Printhead Replacement
App 20120105529 - Powers; Russell James ; et al. | 2012-05-03 |
Staggered head stitch shifts in a continuous feed direct marking printer
Grant 8,167,404 - Mantell , et al. May 1, 2 | 2012-05-01 |
System and method for compensating runout errors in a moving web printing system
Grant 8,162,428 - Eun , et al. April 24, 2 | 2012-04-24 |
System and method for compensating for registration errors arising from heated rollers in a moving web printing system
Grant 8,136,907 - Eun , et al. March 20, 2 | 2012-03-20 |
Protective Device For Inkjet Printheads
App 20110279613 - Mandel; Barry P. ; et al. | 2011-11-17 |
Method And System For Printhead Alignment To Compensate For Dimensional Changes In A Media Web In An Inkjet Printer
App 20110279513 - Mizes; Howard A. ; et al. | 2011-11-17 |
Method For Identifying And Verifying Dash Structures As Candidates For Test Patterns And Replacement Patterns In An Inkjet Printer
App 20110279505 - Shin; Helen HaeKyung ; et al. | 2011-11-17 |
Method And System To Compensate For Process Direction Misalignment Of Printheads In A Continuous Web Inkjet Printer
App 20110273502 - Eun; Yongsoon ; et al. | 2011-11-10 |
Asymmetric IDZ precession in a multi-pass direct marking system
Grant 8,054,476 - Folkins November 8, 2 | 2011-11-08 |
System and method for compensating for weak, intermittent, or missing inkjets in a printhead assembly
Grant 8,042,899 - Folkins , et al. October 25, 2 | 2011-10-25 |
Reflex Printing With Temperature Feedback Control
App 20110252992 - Viturro; R. Enrique ; et al. | 2011-10-20 |
System and method for distributing image values of a color separation
Grant 8,031,372 - Mantell , et al. October 4, 2 | 2011-10-04 |
Direct Marking Printer Having A User Configurable Print Resolution
App 20110227973 - Larson; James R. ; et al. | 2011-09-22 |
System and Method for Compensating for Small Ink Drop Size in an Indirect Printing System
App 20110141171 - Folkins; Jeffrey J. ; et al. | 2011-06-16 |
Temperature Leveling Roller and Pressure Nip Assembly
App 20110109683 - Williams; James Edward ; et al. | 2011-05-12 |
Non-Contact Heating Of Solid Ink Prints After Ink Fixing
App 20110102525 - Larson; James Rodney ; et al. | 2011-05-05 |
System And Method For Compensating Runout Errors In A Moving Web Printing System
App 20110063355 - Eun; Yongsoon ; et al. | 2011-03-17 |
System And Method For Equalizing Multiple Moving Web Velocity Measurements In A Double Reflex Printing Registration System
App 20110061552 - Eun; Yongsoon ; et al. | 2011-03-17 |
System And Method For Compensating For Registration Errors Arising From Heated Rollers In A Moving Web Printing System
App 20110063357 - Eun; Yongsoon ; et al. | 2011-03-17 |
Staggered Head Stitch Shifts in a Continuous Feed Direct Marking Printer
App 20110012958 - Mantell; David A. ; et al. | 2011-01-20 |
Printhead registration correction system and method for use with direct marking continuous web printers
Grant 7,857,414 - Eun , et al. December 28, 2 | 2010-12-28 |
Ink-jet printer using phase-change ink printing on a continuous web
Grant 7,828,423 - Larson , et al. November 9, 2 | 2010-11-09 |
Ink printer using forward direction printing process
Grant 7,798,633 - Folkins , et al. September 21, 2 | 2010-09-21 |
Printhead Registration Correction System and Method for Use with Direct Marking Continuous Web Printers
App 20100123752 - Eun; Yongsoon ; et al. | 2010-05-20 |
System And Method For Rendering Image Values To Be Printed In A Single Pass By Serially Arranged Printheads
App 20100091347 - Mantell; David Allen ; et al. | 2010-04-15 |
Apparatus for media preheating in an ink jet printer
Grant 7,682,014 - Snyder , et al. March 23, 2 | 2010-03-23 |
Double reflex printing
Grant 7,665,817 - Folkins February 23, 2 | 2010-02-23 |
Systems and methods for detecting inkjet defects
Grant 7,623,254 - Eklund , et al. November 24, 2 | 2009-11-24 |
System And Method For Distributing Image Values Of A Color Separation
App 20090262370 - Mantell; David Allen ; et al. | 2009-10-22 |
System And Method For Compensating For Weak, Intermittent, Or Missing Inkjets In A Printhead Assembly
App 20090231375 - Folkins; Jeffrey J. ; et al. | 2009-09-17 |
Dynamic IDZ precession in a multi-pass direct marking system
Grant 7,532,342 - Folkins May 12, 2 | 2009-05-12 |
Ink-jet Printer Using Phase-change Ink Printing On A Continuous Web
App 20090009573 - Larson; James R. ; et al. | 2009-01-08 |
System and method for controlling a print head to compensate for subsystem mechanical disturbances
Grant 7,467,838 - Folkins , et al. December 23, 2 | 2008-12-23 |
Asymmetric IDZ precession in a multi-pass direct marking system
Grant 7,426,043 - Folkins September 16, 2 | 2008-09-16 |
Asymmetric Idz Precession In A Multi-pass Direct Marking System
App 20080190315 - Folkins; Jeffrey J. | 2008-08-14 |
Ink jet printer having multiple transfixing modes
Grant 7,390,084 - Folkins June 24, 2 | 2008-06-24 |
Double reflex printing
App 20080124158 - Folkins; Jeffrey J. | 2008-05-29 |
System and method for controlling a print head to compensate for subsystem mechanical disturbances
App 20080088661 - Folkins; Jeffrey J. ; et al. | 2008-04-17 |
Ink jet printer having print head with partial nozzle redundancy
Grant 7,338,144 - Mantell , et al. March 4, 2 | 2008-03-04 |
Systems and methods for print head defect detection and print head maintenance
Grant 7,300,133 - Folkins , et al. November 27, 2 | 2007-11-27 |
Systems And Methods For Print Head Defect Detection And Print Head Maintenance
App 20070268326 - Folkins; Jeffrey J. ; et al. | 2007-11-22 |
Enhanced printer reliability using extra print module
Grant 7,278,699 - Drake , et al. October 9, 2 | 2007-10-09 |
Systems and methods for print head defect detection and print head maintenance
Grant 7,264,328 - Folkins , et al. September 4, 2 | 2007-09-04 |
Apparatus for media preheating in an ink jet printer
App 20070188576 - Snyder; Trevor James ; et al. | 2007-08-16 |
Ink printer using forward direction printing process
App 20070109383 - Folkins; Jeffrey J. ; et al. | 2007-05-17 |
Ink jet printer having print head with partial nozzle redundancy
App 20070070108 - Mantell; David A. ; et al. | 2007-03-29 |
Ink jet printer having print bar with spaced print heads
App 20070024668 - Folkins; Jeffrey J. | 2007-02-01 |
Ink jet printer having multiple transfixing modes
App 20060250467 - Folkins; Jeffrey J. | 2006-11-09 |
Enhanced printer reliability using extra print module
App 20060227157 - Drake; Donald J. ; et al. | 2006-10-12 |
Systems and methods for detecting inkjet defects
App 20060098251 - Eklund; Elliott A. ; et al. | 2006-05-11 |
Printer jet detection method and apparatus
Grant 7,021,732 - Folkins April 4, 2 | 2006-04-04 |
Systems and methods for print head defect detection and print head maintenance
App 20060066657 - Folkins; Jeffrey J. ; et al. | 2006-03-30 |
Alternate imaging mode for multipass direct marking
Grant 6,985,250 - Folkins January 10, 2 | 2006-01-10 |
Multi-stage pre-transfer substrate heating assembly
Grant 6,932,526 - Aviles , et al. August 23, 2 | 2005-08-23 |
Multi-stage Pre-transfer Substrate Heating Assembly
App 20050111896 - Aviles, Eilleen R. ; et al. | 2005-05-26 |
Printer jet detection method and apparatus
App 20050099439 - Folkins, Jeffrey J. | 2005-05-12 |
Dynamic IDZ precession in a multi-pass direct marking system
App 20050088670 - Folkins, Jeffrey J. | 2005-04-28 |
Asymmetric IDZ precession in a multi-pass direct marking system
App 20050089349 - Folkins, Jeffrey J. | 2005-04-28 |
Alternate imaging mode for multipass direct marking
App 20030128385 - Folkins, Jeffrey J. | 2003-07-10 |
Row scrambling in ejector arrays
Grant 6,447,097 - Folkins , et al. September 10, 2 | 2002-09-10 |
Image to paper registration utilizing differential transfer
Grant 6,201,937 - Folkins March 13, 2 | 2001-03-13 |
Hybrid scavengeless development using an apparatus and a method for preventing wire contamination
Grant 6,049,686 - Folkins , et al. April 11, 2 | 2000-04-11 |
Method of printing secure documents
Grant 5,983,065 - Folkins , et al. November 9, 1 | 1999-11-09 |
Wide area beam sensor method and apparatus for image registration calibration in a color printer
Grant 5,909,235 - Folkins June 1, 1 | 1999-06-01 |
Reduced interdocument zone in a printing system having a single developer power supply
Grant 5,862,438 - Folkins January 19, 1 | 1999-01-19 |
Reproduction machine including and acoustic scavengeless assist development apparatus
Grant 5,809,385 - Snelling , et al. September 15, 1 | 1998-09-15 |
Donor roll for scavengeless development in a xerographic apparatus
Grant RE35,698 - Behe , et al. December 23, 1 | 1997-12-23 |
Corona dual-use for color image formation
Grant 5,574,541 - Folkins November 12, 1 | 1996-11-12 |
Method and apparatus to improve registration in a black first printing machine
Grant 5,537,190 - Folkins , et al. July 16, 1 | 1996-07-16 |
Apparatus for image registration
Grant 5,394,223 - Hart , et al. February 28, 1 | 1995-02-28 |
Contaminant control for scavengeless development in a xerographic apparatus
Grant 5,253,016 - Behe , et al. October 12, 1 | 1993-10-12 |
Donor roll for scavengeless development in a xerographic apparatus
Grant 5,245,392 - Behe , et al. September 14, 1 | 1993-09-14 |
Method and apparatus for correction of blooming artifacts in ionographic devices
Grant 5,225,856 - Thieret , et al. July 6, 1 | 1993-07-06 |
Machine with removable unit having two element electrical connection
Grant 5,177,529 - Schroll , et al. January 5, 1 | 1993-01-05 |
Development system having tensioned electrode wires
Grant 5,153,647 - Barker , et al. October 6, 1 | 1992-10-06 |
Electrode wire contamination prevention and detection
Grant 5,134,442 - Folkins , et al. July 28, 1 | 1992-07-28 |
Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll
Grant 5,063,875 - Folkins , et al. November 12, 1 | 1991-11-12 |
Triboelectric charge measurement
Grant 5,034,775 - Folkins July 23, 1 | 1991-07-23 |
Developing device with dual donor rollers including electrically biased electrodes for each donor roller
Grant 5,032,872 - Folkins , et al. July 16, 1 | 1991-07-16 |
Electrode wire cleaning
Grant 4,984,019 - Folkins January 8, 1 | 1991-01-08 |
Electrophotographic device with a bead pickoff arrangement
Grant 4,868,607 - Folkins , et al. September 19, 1 | 1989-09-19 |
Self-biased scorotron grid power supply and electrostatic voltmeter operable therefrom
Grant 4,868,907 - Folkins September 19, 1 | 1989-09-19 |
Hybrid control system for a copier
Grant 4,786,924 - Folkins November 22, 1 | 1988-11-22 |
Extended life development system
Grant 4,614,165 - Folkins , et al. September 30, 1 | 1986-09-30 |
Development system using electrically field dependent developer material
Grant 4,565,438 - Folkins January 21, 1 | 1986-01-21 |
Control system for regulating the dispensing of marking particles in an electrophotographic printing machine
Grant 4,492,179 - Folkins , et al. January 8, 1 | 1985-01-08 |
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