Inventor
Mark Duane Foster
Inventor
Lexington, KY, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography47%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates11%
B29CShaping or joining of plastics8%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles8%
Y10TTechnical subjects covered by former us classification6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
D04HMaking textile fabrics, e.g. from fibres or filamentary material3%
F16DCouplings for transmitting rotation3%
G01BMeasuring length, thickness or similar linear dimensions3%
PatentTitleYear
11,009,616Neutron detection20219,389,576'Roll deskewing device for an electrophotographic image forming device'20169,031,451'Toner cartridge having a shutter lock mechanism'20158,867,968'Movable toner port cover member for a replaceable unit of an imaging device'20148,774,684'Toner cartridge having a pivoting exit port cover'20148,679,384'Intumescent weatherseal'20148,649,710'Toner cartridge having a pivoting exit port cover'20148,510,996'Intumescent weatherseal'20138,448,336'Electrophotographic roller with resistance to nip banding'20138,327,585'Weatherseal with removable protective coating'20128,238,803'Doctor blade surface energy modification'20128,137,783'Backed pile strip'20127,305,204'Two part cartridges with force biasing by printer'20077,139,510'Two part cartridges with force biasing by printer'20066,985,683'Method of mitigating toner damage in high speed contact developing with end seal'20066,931,224'Toner cartridge hopper with labyrinth channels for releasing air while trapping toner in cartridge'20056,879,792'Two part cartridges with force biasing by printer'20056,771,922'Toner cartridge'20046,678,489'Two part cartridges with force biasing by printer'20046,452,380'Rod and apparatus for calibrating magnetic roll testing apparatus'20026,397,026'Apparatus and methods for increasing bias force on opposing photosensitive member and developing means'20025,926,673'Driving mechanism for photosensitive image bearing drum in electrophotographic machines'19995,335,831'Insertable toner hopper sealing strip'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2016Patents assigned to LEXMARK INT INC (18)· patent assignee history
1994–2016Based in Lexington, KY, US· patent location history
2012–2013Patents assigned to FOSTER MARK D (3)· patent assignee history
2012–2014Patents assigned to FOSTER MARK DUANE (3)· patent assignee history
2012–2014Patents assigned to SCHLEGEL SYSTEMS INC (3)· patent assignee history
2012–2014Based in Pittsford, NY, US· patent location history
2014Patents assigned to BUCHANAN JOHN ANDREW (2)· patent assignee history
2021Based in Southhampton, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 18 | 1994–2016 |
| FOSTER MARK Dself | 3 | 2012–2013 |
| FOSTER MARK DUANEself | 3 | 2012–2014 |
| SCHLEGEL SYSTEMS INC | 3 | 2012–2014 |
| BUCHANAN JOHN ANDREW | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 18 | 1994–2016 |
| Pittsford, New York, US | 4 | 2012–2014 |
| Southhampton, GB | 1 | 2021 |