Stafford; Donald Wayne
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stafford; Donald Wayne.The latest application filed is for "roll having textured axial ends to prevent toner leakage".
Company Profile
0.25.17
- Stafford; Donald Wayne - Lexington KY
- Stafford; Donald Wayne - Georgetown KY
- Stafford; Donald Wayne - Richmond KY
Patent Activity
| Patent | Date |
|---|---|
| End seal assembly for an undercut developer roll Grant 10,365,586 - Goin , et al. July 30, 2 | 2019-07-30 |
| Toner adder roll having an abrasive agent additive Grant 9,261,812 - DiGirolamo , et al. February 16, 2 | 2016-02-16 |
| Roll Having Textured Axial Ends to Prevent Toner Leakage App 20150293469 - Baker; Marc Frazier ; et al. | 2015-10-15 |
| Sealing member having internal lubricant additives Grant 8,948,649 - McCoy , et al. February 3, 2 | 2015-02-03 |
| Sealing Member Having Internal Lubricant Additives App 20130259514 - McCoy; Jody Evan ; et al. | 2013-10-03 |
| Electrophotographic Roller with Resistance to Nip Banding App 20130243500 - Foster; Mark Duane ; et al. | 2013-09-19 |
| Electrophotographic roller with resistance to nip banding Grant 8,448,336 - Barcelo , et al. May 28, 2 | 2013-05-28 |
| Toner release coating Grant 8,304,066 - Anderson , et al. November 6, 2 | 2012-11-06 |
| Doctor blade surface energy modification Grant 8,238,803 - Anderson , et al. August 7, 2 | 2012-08-07 |
| Radiation cured coatings for image forming device components Grant 8,017,192 - Johnson , et al. September 13, 2 | 2011-09-13 |
| Apparatus and method of reducing charge roller contamination Grant 7,899,384 - Heid , et al. March 1, 2 | 2011-03-01 |
| Apparatus and Method of Reducing Charge Roller Contamination App 20100111581 - Heid; Matthew David ; et al. | 2010-05-06 |
| Electrophotographic Roller With Resistance to Nip Banding App 20100003610 - Barcelo; Jane Elece ; et al. | 2010-01-07 |
| Toner Release Coating App 20090181236 - Anderson; Richard Kent ; et al. | 2009-07-16 |
| Doctor Blade Surface Energy Modification App 20090169273 - Anderson; Richard Kent ; et al. | 2009-07-02 |
| Device and method for removing image forming substance deposits Grant 7,519,308 - Bracken , et al. April 14, 2 | 2009-04-14 |
| Radiation Cured Coatings For Image Forming Device Components App 20090022902 - Johnson; Mark William ; et al. | 2009-01-22 |
| Cleaning member for charging device Grant 7,356,278 - Piotrowski , et al. April 8, 2 | 2008-04-08 |
| Device and Method for Removing Image Forming Substance Deposits App 20080038009 - Bracken; Peter Wallace ; et al. | 2008-02-14 |
| Developing agent transport and storage Grant 7,310,494 - Fahmy , et al. December 18, 2 | 2007-12-18 |
| Doctor Blade and Developer Assembly with Precision Diameter Radius for Improved Doctoring Consistency App 20070237552 - McAlpine; Robert Watson ; et al. | 2007-10-11 |
| Dampening mechanism for an image forming apparatus Grant 7,236,730 - Dickerson , et al. June 26, 2 | 2007-06-26 |
| Apparatus and method of reducing charge roller contamination Grant 7,231,163 - Gopalanarayanan , et al. June 12, 2 | 2007-06-12 |
| Packaging material for a developing agent cartridge App 20070054072 - Bracken; Peter Wallace ; et al. | 2007-03-08 |
| Developing agent transport and storage App 20070048050 - Fahmy; Alfred Louis ; et al. | 2007-03-01 |
| Method and device for conveying waste toner in an image forming device Grant 7,167,672 - Stafford , et al. January 23, 2 | 2007-01-23 |
| Buffed toner metering blade for use with an imaging apparatus Grant 7,162,191 - DiGirolamo , et al. January 9, 2 | 2007-01-09 |
| Method and device for conveying waste toner in an image forming device App 20060188302 - Stafford; Donald Wayne ; et al. | 2006-08-24 |
| Apparatus and method of reducing charge roller contamination App 20060182475 - Gopalanarayanan; Bhaskar ; et al. | 2006-08-17 |
| Dampening mechanism for an image forming apparatus App 20060104676 - Dickerson; James Eric ; et al. | 2006-05-18 |
| Image forming device, print cartridge and doctor blade assembly that reduce vibrations at doctoring media nip Grant 6,990,308 - McAlpine , et al. January 24, 2 | 2006-01-24 |
| Doctor blade for use with an imaging apparatus App 20050220500 - DiGirolamo, Martin Victor ; et al. | 2005-10-06 |
| Ink delivery system Grant 6,481,837 - Askren , et al. November 19, 2 | 2002-11-19 |
| Pressurized ink supply and delivery system for an ink jet printer Grant 6,243,115 - Baker , et al. June 5, 2 | 2001-06-05 |
| Printer ink pump and method of supplying ink using motion of the carrier Grant 6,145,971 - Baker , et al. November 14, 2 | 2000-11-14 |
| Caprolactone ester polyurethane developer roller Grant 6,117,557 - Massie, II , et al. September 12, 2 | 2000-09-12 |
| Charge roller Grant 6,072,970 - Barton , et al. June 6, 2 | 2000-06-06 |
| Process of making a polyurethane roller with high surface resistance Grant 5,804,114 - Janes , et al. September 8, 1 | 1998-09-08 |
| Polyurethane roller with high surface resistance Grant 5,707,743 - Janes , et al. January 13, 1 | 1998-01-13 |
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