Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954603 | Fuser oil contamination prevention and clean-up method | Kenneth J. Brown, Amy J. Deyaeger, Thomas N. Tombs, Diane M. Herrick, David M. Rakov | 2005-10-11 |
| 6724998 | Image forming apparatus with variable toning bias offset service utility | Matthias H. Regelsberger, Anne F. Lairmore | 2004-04-20 |
| 6650848 | Image-forming device having on-line image quality assessment and related method | Matthias H. Regelsberger, Alfred J. Gonnella | 2003-11-18 |
| 6580880 | Electrophotographic process control and diagnostic system | Matthias H. Regelsberger, Edward M. Eck | 2003-06-17 |
| 6459859 | Service routine to identify causes for image artifacts in printed output | Matthias H. Regelsberger | 2002-10-01 |
| 6442358 | Electrophotographic marking machine including a controller for the selective interruption and restart of a print mode operation and method | Matthias H. Regelsberger | 2002-08-27 |
| 6427053 | Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine | Edward M. Eck, Matthias H. Regelsberger, Philip A. Stern | 2002-07-30 |
| 6370340 | Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine | Matthias H. Regelsberger | 2002-04-09 |
| 6337960 | Electrostatographic image-forming apparatus and method with control of image forming after cycle-up | Matthias H. Regelsberger, James A. Zimmer, Jr. | 2002-01-08 |
| 6246852 | Grid electrode for corona charger | Warren G. Branch, III, Gerald L. Kelly, III, George R. Walgrove, III | 2001-06-12 |
| 6181886 | Toner replenishment and collection apparatus and method | Matthias H. Regelsberger, Christopher S. Garcia, Philip A. Stern, James A. Zimmer, Jr. | 2001-01-30 |
| 6118953 | Electrostatographic apparatus and method with programmable toner concentration decline with the developer life | Dennis E. DeMeyer, Kevin D. Lofftus, Paul L. Nielsen | 2000-09-12 |
| 6074756 | Transfer member for electrostatography | William B. Vreeland | 2000-06-13 |
| 6014158 | Transfer roller electrical bias control | Francisco L. Ziegelmuller, George R. Walgrove, III | 2000-01-11 |
| 5987271 | Method and apparatus for control of variability in charge to mass ratio in a development station | Matthias H. Regelsberger, Jeffrey C. Blood, Kevin D. Lofftus | 1999-11-16 |
| 5899600 | Air flow control for cleaning system for reproduction apparatus | Philip A. Stern | 1999-05-04 |
| 5897238 | Method of setting position of a corona charger | George R. Walgrove, III | 1999-04-27 |
| 5862433 | Electrostatographic method and apparatus with improved auto cycle up | Matthias H. Regelsberger, Alfred J. Gonnella, Jeffrey C. Blood | 1999-01-19 |
| 5819137 | Integrated environmental management for reproduction apparatus | Gary P. Hoffman, John Franklin Quester, Clifton T. Hartford, David R. Heberle, Kurt E. Jones +1 more | 1998-10-06 |
| 4740818 | Electrophotographic reproduction apparatus and method with selective screening | George N. Tsilibes, Pierce B. Day, Tomas Roztocil, Dale R. Smith, John P. Swapceinski +1 more | 1988-04-26 |