North; Angus John

Patent Applications and Registrations

Patent applications and USPTO patent grants for North; Angus John.The latest application filed is for "inkjet nozzle device having improved lifetime".

Company Profile

0.76.74

North; Angus John - North Ryde AU
North; Angus John - Balmain N/A AU

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Inkjet nozzle device having improved lifetime Grant 9,994,017 - North , et al. June 12, 2	2018-06-12
Inkjet Nozzle Device Having Improved Lifetime App 20170120591 - North; Angus John ; et al.	2017-05-04
Inkjet nozzle device having improved lifetime Grant 9,573,368 - North , et al. February 21, 2	2017-02-21
Inkjet Nozzle Device Having Improved Lifetime App 20160136957 - North; Angus John ; et al.	2016-05-19
Inkjet nozzle device having chamber geometry configured for constrained symmetric bubble expansion Grant 9,283,756 - North March 15, 2	2016-03-15
Inkjet nozzle device configured for venting gas bubbles Grant 9,186,893 - North , et al. November 17, 2	2015-11-17
Inkjet Nozzle Device Having Chamber Geometry Configured For Constrained Symmetric Bubble Expansion App 20150197091 - North; Angus John	2015-07-16
Inkjet Nozzle Device Configured For Venting Gas Bubbles App 20150165768 - North; Angus John ; et al.	2015-06-18
Inkjet nozzle device configured for venting gas bubbles Grant 9,050,797 - North , et al. June 9, 2	2015-06-09
Inkjet nozzle device having high degree of symmetry Grant 9,044,945 - North June 2, 2	2015-06-02
Inkjet nozzle device with symmetrically constrained bubble formation Grant 8,998,383 - North April 7, 2	2015-04-07
Inkjet Nozzle Device Configured For Venting Gas Bubbles App 20150070442 - North; Angus John ; et al.	2015-03-12
Inkjet printhead having low-loss contact for thermal actuators Grant 8,967,772 - North , et al. March 3, 2	2015-03-03
Inkjet Nozzle Device With Symmetrically Constrained Bubble Formation App 20150035907 - North; Angus John	2015-02-05
Inkjet Nozzle Device Having High Degree Of Symmetry App 20150035904 - North; Angus John	2015-02-05
Method of operating inkjet printhead in printing and maintenance modes Grant 8,899,721 - North , et al. December 2, 2	2014-12-02
Method Of Operating Inkjet Printhead In Printing And Maintenance Modes App 20140028754 - North; Angus John ; et al.	2014-01-30
Inkjet nozzle assembly with elliptical nozzle aperture and offset beam heater element App 20140022312 - North; Angus John ; et al.	2014-01-23
Inkjet printhead having titanium aluminium nitride heater elements Grant 8,622,521 - Silverbrook , et al. January 7, 2	2014-01-07
Printhead having variable drive pulses for fluid ejection Grant 8,622,508 - North , et al. January 7, 2	2014-01-07
Inkjet nozzle assembly having suspended beam heater element offset from nozzle aperture Grant 8,556,390 - North , et al. October 15, 2	2013-10-15
Method of fabricating inkjet printhead having low-loss contact for thermal actuators Grant 8,453,329 - North , et al. June 4, 2	2013-06-04
MEMS fluid sensor Grant 8,356,885 - Silverbrook , et al. January 22, 2	2013-01-22
Inkjet nozzle assembly having heater element bonded to chamber wall via dielectric layer Grant 8,342,657 - Silverbrook , et al. January 1, 2	2013-01-01
Inkjet Printhead Having Titanium Aluminium Nitride Heater Elements App 20120314004 - Silverbrook; Kia ; et al.	2012-12-13
Inkjet printhead intergrated configured to minimize thermal losses Grant 8,328,336 - Silverbrook , et al. December 11, 2	2012-12-11
Printhead with individual nozzle firing frequency at least once per decap time Grant 8,272,708 - Silverbrook , et al. September 25, 2	2012-09-25
Printhead Having Controlled Vapor Bubble Generators App 20120007923 - North; Angus John ; et al.	2012-01-12
Thermal ink jet printhead Grant 8,087,751 - Silverbrook , et al. January 3, 2	2012-01-03
Printhead Having Variable Drive Pulses For Fluid Ejection App 20110310149 - North; Angus John ; et al.	2011-12-22
Printhead with ink distribution through aligned apertures Grant 8,075,111 - Silverbrook , et al. December 13, 2	2011-12-13
Inkjet printhead with a plurality of vapor bubble generators Grant 8,035,060 - North , et al. October 11, 2	2011-10-11
Inkjet printhead with titanium aluminium alloy heater Grant 8,025,367 - North , et al. September 27, 2	2011-09-27
Printhead Assembly Employing Modular Printheads And Common Substrate Channel App 20110228000 - Silverbrook; Kia ; et al.	2011-09-22
Printhead With Bubble Vents App 20110228010 - Silverbrook; Kia ; et al.	2011-09-22
Inkjet printhead with variable drive pulse Grant 8,011,748 - North , et al. September 6, 2	2011-09-06
Printhead assembly with an extrusion for housing bus bars Grant 7,980,665 - Silverbrook , et al. July 19, 2	2011-07-19
Printhead incorporating pressure pulse diffusing structures between ink chambers supplied by same ink inlet Grant 7,980,674 - Silverbrook , et al. July 19, 2	2011-07-19
Ink jet printhead incorporating heater element proportionally sized to drop size Grant 7,967,419 - Silverbrook , et al. June 28, 2	2011-06-28
Inkjet printhead nozzle arrangement having non-coincident low mass electrode and heater element Grant 7,967,420 - McAvoy , et al. June 28, 2	2011-06-28
Printhead Incorporating Pressure Pulse Diffusing Structures Between Ink Chambers Supplied By Same Ink Inlet App 20110122183 - Silverbrook; Kia ; et al.	2011-05-26
Method Of Fabricating Inkjet Printhed Having Low-loss Contact For Thermal Actuators App 20110094103 - North; Angus John ; et al.	2011-04-28
Inkjet Printhead Having Low-loss Contact For Thermal Actuators App 20110096124 - North; Angus John ; et al.	2011-04-28
Inkjet printhead integrated circuit comprising a multilayered substrate Grant 7,918,537 - Silverbrook , et al. April 5, 2	2011-04-05
Printhead with increasing drive pulse to counter heater oxide growth Grant 7,901,056 - Silverbrook , et al. March 8, 2	2011-03-08
Printhead assembly with sandwiched power supply arrangement Grant 7,891,764 - Silverbrook , et al. February 22, 2	2011-02-22
Printhead IC with non-ejection maintenance Grant 7,874,633 - Sheahan , et al. January 25, 2	2011-01-25
MEMS bubble generator incorporating superalloy heater in direct contact with bubble formation liquid without intervening protective coating Grant 7,874,646 - Silverbrook , et al. January 25, 2	2011-01-25
Printhead assembly with channelled printhead modules Grant 7,874,638 - Silverbrook , et al. January 25, 2	2011-01-25
Inkjet printhead having MEMS sensors for directionally heated ink ejection Grant 7,857,427 - Silverbrook , et al. December 28, 2	2010-12-28
Printhead with sub-ejection pulse for non-firing nozzles Grant 7,845,747 - Sheahan , et al. December 7, 2	2010-12-07
Inkjet Nozzle Assembly Having Suspended Beam Heater Element Offset From Nozzle Aperture App 20100302314 - North; Angus John ; et al.	2010-12-02
Printhead assembly incorporating a pair of aligned groups of ink holes Grant 7,798,608 - Silverbrook , et al. September 21, 2	2010-09-21
Thermal Ink Jet Printhead App 20100220155 - Silverbrook; Kia ; et al.	2010-09-02
Printhead With Ink Distribution Through Aligned Apertures App 20100220142 - Silverbrook; Kia ; et al.	2010-09-02
MEMS device with nanocrystalline heater Grant 7,784,915 - Silverbrook , et al. August 31, 2	2010-08-31
Printhead with heaters offset from nozzles Grant 7,780,271 - North , et al. August 24, 2	2010-08-24
Self-cooling high nozzle density ink jet nozzle arrangement Grant 7,771,027 - Silverbrook , et al. August 10, 2	2010-08-10
Inkjet Printhead Intergrated Configured To Minimize Thermal Losses App 20100171795 - Silverbrook; Kia ; et al.	2010-07-08
Inkjet Nozzle Assembly Having Heater Element Bonded To Chamber Wall Via Dielectric Layer App 20100149279 - Silverbrook; Kia ; et al.	2010-06-17
Mems Bubble Generator Incorporating Superalloy Heater In Direct Contact With Bubble Formation Liquid Without Intervening Protective Coating App 20100128090 - Silverbrook; Kia ; et al.	2010-05-27
Inkjet printhead incorporating coincident groups of ink apertures Grant 7,722,168 - Silverbrook , et al. May 25, 2	2010-05-25
Mems Fluid Sensor App 20100103216 - Silverbrook; Kia ; et al.	2010-04-29
Inkjet Printhead With Titanium Aluminium Alloy Heater App 20100097429 - North; Angus John ; et al.	2010-04-22
Inkjet Printhead Nozzle Arrangement Having Non-Coincident Low Mass Electrode And Heater Element App 20100091072 - McAvoy; Gregory John ; et al.	2010-04-15
Nozzle arrangement for an inkjet printer configured to minimize thermal losses Grant 7,686,427 - Silverbrook , et al. March 30, 2	2010-03-30
Ink Jet Printhead Incorporating Heater Element Proportionally Sized To Drop Size App 20100073432 - Silverbrook; Kia ; et al.	2010-03-25
Inkjet printhead comprising bonded heater element and dielectric layer with low thermal product Grant 7,677,702 - Silverbrook , et al. March 16, 2	2010-03-16
Printhead With Individual Nozzle Firing Frequency At Least Once Per Decap Time App 20100033539 - Silverbrook; Kia ; et al.	2010-02-11
MEMS bubble generator Grant 7,654,645 - Silverbrook , et al. February 2, 2	2010-02-02
Inkjet printhead nozzle arrangement having non-coincident electrodes Grant 7,645,029 - McAvoy , et al. January 12, 2	2010-01-12
Printhead IC With Non-Ejection Maintenance App 20100002035 - Sheahan; John Robert ; et al.	2010-01-07
Inkjet Printhead With Variable Drive Pulse App 20090322813 - North; Angus John ; et al.	2009-12-31
Printhead with low viscous drag droplet ejection Grant 7,637,593 - Silverbrook , et al. December 29, 2	2009-12-29
Inkjet printhead that prints keep-wet dots to avoid clogging Grant 7,611,218 - Silverbrook , et al. November 3, 2	2009-11-03
Inkjet Printhead Integrated Circuit Comprising A Multilayered Substrate App 20090267995 - Silverbrook; Kia ; et al.	2009-10-29
Thermal inkjet printhead with de-clog firing mode Grant 7,604,321 - Sheahan , et al. October 20, 2	2009-10-20
Thermal Inkjet Printhead With Double Omega Shaped Heating Element App 20090244197 - Silverbrook; Kia ; et al.	2009-10-01
Pagewidth printhead with nozzle arrangements for weighted ink drop ejection Grant 7,568,789 - Silverbrook , et al. August 4, 2	2009-08-04
Thermal inkjet printhead with low power consumption Grant 7,556,350 - Silverbrook , et al. July 7, 2	2009-07-07
Self-cooling High Nozzle Density Ink Jet Nozzle Arrangement App 20090160912 - Silverbrook; Kia ; et al.	2009-06-25
Inkjet nozzle arrangement with annular heater element Grant 7,513,607 - Silverbrook , et al. April 7, 2	2009-04-07
Printhead With Increasing Drive Pulse To Counter Heater Oxide Growth App 20090066742 - Silverbrook; Kia ; et al.	2009-03-12
MEMS bubble generator for large stable vapor bubbles Grant 7,491,911 - North , et al. February 17, 2	2009-02-17
Printhead With Heaters Offset From Nozzles App 20090040276 - North; Angus John ; et al.	2009-02-12
Printhead Assembly With An Extrusion For Housing Bus Bars App 20090009558 - Silverbrook; Kia ; et al.	2009-01-08
Printhead With Low Viscous Drag Droplet Ejection App 20090002459 - Silverbrook; Kia ; et al.	2009-01-01
Inkjet Printhead Comprising Bonded Heater Element And Dielectric Layer With Low Thermal Product App 20090002421 - Silverbrook; Kia ; et al.	2009-01-01
Printhead Assembly With Sandwiched Power Supply Arrangement App 20080316256 - Silverbrook; Kia ; et al.	2008-12-25
Nozzle Arrangement For An Inkjet Printer Configured To Minimize Thermal Losses App 20080303872 - Silverbrook; Kia ; et al.	2008-12-11
Inkjet Printhead Nozzle Arrangement Having Non-coincident Electrodes App 20080297566 - McAvoy; Gregory John ; et al.	2008-12-04
Inkjet printhead heater elements with thin or non-existent coatings Grant 7,448,729 - Silverbrook , et al. November 11, 2	2008-11-11
Pagewidth Printhead With Nozzle Arrangements For Weighted Ink Drop Ejection App 20080273062 - Silverbrook; Kia ; et al.	2008-11-06
Printhead module assembly with A flexible PCB Grant 7,438,390 - Silverbrook , et al. October 21, 2	2008-10-21
Self passivating transition metal nitride printhead heaters Grant 7,431,431 - Silverbrook , et al. October 7, 2	2008-10-07
Inkjet Printhead Having Mems Sensors For Directionally Heated Ink Ejection App 20080239009 - Silverbrook; Kia ; et al.	2008-10-02
Inkjet printhead with low thermal product layer Grant 7,419,249 - Silverbrook , et al. September 2, 2	2008-09-02
Inkjet unit cell with dual heater elements Grant 7,416,284 - Silverbrook , et al. August 26, 2	2008-08-26
Printhead Assembly With Channelled Printhead Modules App 20080192087 - Silverbrook; Kia ; et al.	2008-08-14
Inkjet Printhead With A Plurality Of Vapor Bubble Generators App 20080174621 - North; Angus John ; et al.	2008-07-24
Inkjet nozzle arrangement with annular heater element App 20080136871 - Silverbrook; Kia ; et al.	2008-06-12
Printhead heaters with a nanocrystalline composite structure Grant 7,377,623 - Silverbrook , et al. May 27, 2	2008-05-27
Printhead Assembly Incorporating A Pair Of Aligned Groups Of Ink Holes App 20080111857 - Silverbrook; Kia ; et al.	2008-05-15
Printhead Module Assembly With A Flexible PCB App 20080100673 - Silverbrook; Kia ; et al.	2008-05-01
Mems Bubble Generator For Large Stable Vapor Bubbles App 20080099457 - North; Angus John ; et al.	2008-05-01
Inkjet printhead with adjustable bubble impulse App 20080084447 - North; Angus John ; et al.	2008-04-10
Printhead with sub-ejection pulse for non-firing nozzles App 20080084436 - Sheahan; John Robert ; et al.	2008-04-10
Thermal inkjet printhead with de-clog firing mode App 20080084444 - Sheahan; John Robert ; et al.	2008-04-10
Printhead heaters with small surface area Grant 7,334,876 - Silverbrook , et al. February 26, 2	2008-02-26
Printhead heaters with short pulse time Grant 7,328,978 - Silverbrook , et al. February 12, 2	2008-02-12
Inkjet Printhead Incorporating Coincident Groups Of Ink Apertures App 20070296761 - Silverbrook; Kia ; et al.	2007-12-27
Inkjet Unit Cell With Dual Heater Elements App 20070268338 - Silverbrook; Kia ; et al.	2007-11-22
Inkjet Printhead That Prints Keep-Wet Dots To Avoid Clogging App 20070242095 - Silverbrook; Kia ; et al.	2007-10-18
Ink jet printhead with conformally coated heater Grant 7,264,335 - Silverbrook , et al. September 4, 2	2007-09-04
Inkjet nozzle with reduced fluid inertia and viscous drag Grant 7,261,394 - Silverbrook , et al. August 28, 2	2007-08-28
Inkjet printhead for printing with low density keep-wet dots Grant 7,246,876 - Silverbrook , et al. July 24, 2	2007-07-24
Thermal ink jet printhead with suspended heater element parallel to the nozzle App 20070109358 - Silverbrook; Kia ; et al.	2007-05-17
Inkjet nozzle with reduced fluid inertia and viscous drag App 20070030312 - Silverbrook; Kia ; et al.	2007-02-08
Thermal ink jet printhead with bubble formation surrounding heater element Grant 7,172,270 - Silverbrook , et al. February 6, 2	2007-02-06
Thermal inkjet printhead with low power consumption App 20070013747 - Silverbrook; Kia ; et al.	2007-01-18
Printhead nozzle with reduced ink inertia and viscous drag Grant 7,147,306 - Silverbrook , et al. December 12, 2	2006-12-12
MEMS bubble generator App 20060250453 - Silverbrook; Kia ; et al.	2006-11-09
MEMS device with nanocrystalline heater App 20060250454 - Silverbrook; Kia ; et al.	2006-11-09
Very high efficiency thermal ink jet printhead Grant 7,128,400 - Silverbrook , et al. October 31, 2	2006-10-31
MEMS fluid sensor App 20060221114 - Silverbrook; Kia ; et al.	2006-10-05
Inkjet printhead heater elements with thin or non-existent coatings App 20060221136 - Silverbrook; Kia ; et al.	2006-10-05
Inkjet printhead with low thermal product layer App 20060221137 - Silverbrook; Kia ; et al.	2006-10-05
Printhead heaters with a nanocrystalline composite structure App 20060221134 - Silverbrook; Kia ; et al.	2006-10-05
Inkjet printhead for printing with low density keep-wet dots App 20060221107 - Silverbrook; Kia ; et al.	2006-10-05
Self passivating transition metal nitride printhead heaters App 20060221135 - Silverbrook; Kia ; et al.	2006-10-05
Printhead integrated circuit having heater elements with high surface area Grant 7,101,025 - Silverbrook , et al. September 5, 2	2006-09-05
Inkjet printhead heater with high surface area Grant 7,086,719 - Silverbrook , et al. August 8, 2	2006-08-08
Ink jet printhead with conformally coated heater App 20060012642 - Silverbrook; Kia ; et al.	2006-01-19
Printhead integrated circuit having heater elements with high surface area App 20060007267 - Silverbrook; Kia ; et al.	2006-01-12
Printhead heaters with short pulse time App 20050280671 - Silverbrook, Kia ; et al.	2005-12-22
Printhead nozzle with reduced ink inertia and viscous drag App 20050280672 - Silverbrook, Kia ; et al.	2005-12-22
Printhead heaters with small surface area App 20050179741 - Silverbrook, Kia ; et al.	2005-08-18
Inkjet printhead heater with high surface area App 20040246307 - Silverbrook, Kia ; et al.	2004-12-09
Thermal ink jet printhead with bubble formation surrounding heater element App 20040155938 - Silverbrook, Kia ; et al.	2004-08-12
Thermal ink jet printhead with suspended beam heater Grant 6,755,509 - Silverbrook , et al. June 29, 2	2004-06-29
Thermal Ink Jet Printhead With Suspended Beam Heater App 20040100523 - Silverbrook, Kia ; et al.	2004-05-27
Ink jet printhead with conformally coated heater Grant 6,719,406 - Silverbrook , et al. April 13, 2	2004-04-13
High efficiency thermal ink jet printhead Grant 6,692,108 - Silverbrook , et al. February 17, 2	2004-02-17
Thermal ink jet printhead with symmetric bubble formation Grant 6,672,710 - Silverbrook , et al. January 6, 2	2004-01-06