Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8664922 | Snubber circuit | — | 2014-03-04 |
| 8253394 | Snubber circuit | — | 2012-08-28 |
| 7541692 | Peripheral device having a power supply | Tony Barrett | 2009-06-02 |
| 7187398 | Characterization of a scan line produced from a facet of a scanning device | Gerard J. Carlson, Mark Wibbels | 2007-03-06 |
| 7180534 | Scanning assemblies, printing devices, and related methods | — | 2007-02-20 |
| 6853831 | Fusing system including an external heater | Kenneth E. Heath, Mark Wibbels | 2005-02-08 |
| 6847016 | System and method for controlling power in an imaging device | — | 2005-01-25 |
| 6721530 | Fusing system having electromagnetic heating | Mark Wibbels, Kenneth E. Heath | 2004-04-13 |
| 6710309 | Use of the temperature gradient to determine the source voltage | — | 2004-03-23 |
| 6635864 | Measurement and correction of a scan line length error | — | 2003-10-21 |
| 6580895 | Fusing system including a heat distribution mechanism | Mark Wibbels, Kenneth E. Heath | 2003-06-17 |
| 6563726 | Synchronous bridge rectifier | — | 2003-05-13 |
| 6512913 | Fusing system including a heat storage mechanism | Mark Wibbels, Kenneth E. Heath | 2003-01-28 |
| 6445902 | Simplified fusing system | Mark Wibbels, Kenneth E. Heath | 2002-09-03 |
| 6396724 | Charge-pumped DC bias supply | — | 2002-05-28 |
| 6339211 | Reducing a temperature differential in a fixing device | Wayne E. Foote, David J. Arcaro, Kenneth E. Heath, Mark Wibbels | 2002-01-15 |
| 6307584 | Single polygon scanner for multiple laser printer | K. Trent Christensen | 2001-10-23 |
| 6294904 | Multiple frequency switching power supply and methods to operate a switching power supply | — | 2001-09-25 |
| 6181895 | Image forming devices, image forming methods, and methods of supplying power to an image forming device | — | 2001-01-30 |
| 6127816 | Multiple frequency switching power supply and methods to operate a switching power supply | — | 2000-10-03 |
| 6122478 | Reduction of thermally induced mechanical stress in a fixing device | — | 2000-09-19 |
| 6018151 | Predictive fusing system for use in electrophotographic printers and copiers | — | 2000-01-25 |
| 6014161 | Closed loop compensation for gray scale printing devices | Mark Wibbels | 2000-01-11 |
| 5930553 | Image forming and office automation device consumable with memory | K. Trent Christensen, Andrew J. Binder | 1999-07-27 |
| 5925278 | Universal power supply for multiple loads | — | 1999-07-20 |