Inventor
Calvin D. Murphy
Inventor
Lexington, KY, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography73%
B41JTypewriters13%
G01BMeasuring length, thickness or similar linear dimensions7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,541,876'Imaging device with diagnostic testing for fatal errors'20178,180,240'Color belt fuser warm-up time minimization'20127,324,771'Method for minimizing temperature droop in a fuser'20087,277,654'Electrophotographic power supply configuration for supplying power to a fuser'20077,260,339'Fuser unit operation for gloss consistency'20077,055,946'Apparatus and method for printing with an inkjet drum'20067,050,734'Method of determining a relative speed between independently driven members in an image forming apparatus'20066,927,368'Method and apparatus for controlling power to a heater element using dual pulse width modulation control'20056,879,803'Belt fuser for a color electrophotographic printer'20056,865,351'Method of using a fuser for a color electrophotographic printer'20056,832,829'Ink jet aerosol control using carrier movement as a piston pump'20046,801,745'Fuser for an electrophotographic printer and method of using same'20046,697,594'Doctor blade support for an image forming apparatus'20046,452,380'Rod and apparatus for calibrating magnetic roll testing apparatus'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2017Patents assigned to LEXMARK INT INC (14)· patent assignee history
2002–2012Based in Lexington, KY, US· patent location history
2007–2017Based in Georgetown, KY, US· patent location history
2012Patents assigned to CAO JICHANG (1)· patent assignee history
2012Patents assigned to GILMORE JAMES DOUGLAS (1)· patent assignee history
2012Patents assigned to GOGATE HRISHIKESH PRAMOD (1)· patent assignee history
2012Patents assigned to MCINTIRE WESLEY DAVID (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 14 | 2002–2017 |
| CAO JICHANG | 1 | 2012 |
| GILMORE JAMES DOUGLAS | 1 | 2012 |
| GOGATE HRISHIKESH PRAMOD | 1 | 2012 |
| MCINTIRE WESLEY DAVID | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 11 | 2002–2012 |
| Georgetown, KY, US | 3 | 2007–2017 |