Inventor
Johnnie A. Coffey
Inventor
Winchester, KY, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters44%
G03GElectrography24%
LOC1824%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
LOC164%
PatentTitleYear
8,348,397'Fluid height backpressure device in a system for supplying fluid to a printhead'2013D0667491'Color ink tank with micro fluid applications'20128,256,880'Fluid height backpressure device in a system for supplying fluid to a printhead'2012D0665841'Ink tank for micro-fluid applications'20128,192,000'Fluid height backpressure system for supplying fluid to a printhead and backpressure device used therein'20128,172,381'Multi-color ink tank with features spaced by distances ensuring interface with printhead and carrier support structure'2012D0650418'Tri-color tank with serpentine air vents'2011D0650419'Single reservoir tank with serpentine air vent'2011D0650420'Narrow ink tank with serpentine air vent'20117,540,594'Printhead assembly having vertically overlapping ink flow channels'2009D0587748'Ink tank with RFID sensor and serpentine vent'20097,182,447'Wick for an inkjet printhead'20076,984,031'Method for making multi-color ink reservoirs for ink jet printers'20066,893,120'Multi-color ink reservoirs for ink jet printers'20056,739,698'Off-carrier tubing layout'20046,715,857'Printhead carrier housing and flexible printed circuit attached to same'20046,279,899'Substrate sensing mechanism for use in a printer output bin'2001D0399249'Toner cartridge for laser printer'19985,802,432'Toner cartridge with housing and pin construction'19985,794,102'Toner cartridge with heat shield shutter'19985,768,661'Toner cartridge with external planar installation guides'19985,758,233'Toner cartridge with locating on photoconductor shaft'19985,758,231'Venting plug in toner cartridge'19985,752,135'Door operated charge member positioning'1998D0360648'Printer'19955,131,765'Printer having printhead gap adjustment mechanism'1992D0302439'Printer'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Based in Georgetown, KY, US· patent location history
1992–2013Patents assigned to LEXMARK INT INC (26)· patent assignee history
1995–2013Based in Winchester, KY, US· patent location history
2011–2013Patents assigned to COFFEY JOHNNIE (9)· patent assignee history
2011–2012Patents assigned to ANDERSON JR JAMES DANIEL (4)· patent assignee history
2011–2012Patents assigned to BUCHANAN JEFFERY JAMES (4)· patent assignee history
2011–2012Patents assigned to BUSH STEPHEN PORTER (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 26 | 1992–2013 |
| COFFEY JOHNNIEself | 9 | 2011–2013 |
| ANDERSON JR JAMES DANIEL | 4 | 2011–2012 |
| BUCHANAN JEFFERY JAMES | 4 | 2011–2012 |
| BUSH STEPHEN PORTER | 4 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Winchester, KY, US | 25 | 1995–2013 |
| Georgetown, KY, US | 2 | 1989–1992 |