Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885584 | Self-cleaning electrophotographic toning roller system | Edward M. Eck, Paul Thompson, Timothy Reynolds, Gerard M. Darby | 2011-02-08 |
| 6775490 | Electrostatographic reproduction method and apparatus with improved start-up to substantially prevent transfer roller contamination | Edward M. Eck, Kenneth P. Friedrich, James A. Zimmer, Jr. | 2004-08-10 |
| 6453148 | Apparatus and process for detecting leaks in an electrographic cleaning system | Kenneth P. Friedrich, Kurt E. Jones | 2002-09-17 |
| 6427053 | Method and apparatus for monitoring parameters corresponding to operation of an electrophotographic marking machine | Edward M. Eck, Matthias H. Regelsberger, David E. Hockey | 2002-07-30 |
| 6381427 | Transfer roller cleaning | Gary B. Bertram, George R. Walgrove, III | 2002-04-30 |
| 6295424 | Electrostatographic image-forming apparatus and method | Matthias H. Regelsberger, Anne F. Lairmore, James D. Anthony | 2001-09-25 |
| 6181886 | Toner replenishment and collection apparatus and method | David E. Hockey, Matthias H. Regelsberger, Christopher S. Garcia, James A. Zimmer, Jr. | 2001-01-30 |
| 5956544 | Electrostatographic reproduction apparatus with electrometer control and method of calibrating the electrometer | Anne F. Lairmore, Allen J. Rushing | 1999-09-21 |
| 5903800 | Electrostatographic reproduction apparatus and method with improved densitometer | James D. Anthony, Paul Thompson | 1999-05-11 |
| 5899600 | Air flow control for cleaning system for reproduction apparatus | David E. Hockey | 1999-05-04 |
| 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 |
| 5592980 | Toner container | Terry Elich, Thomas S. Wicks | 1997-01-14 |
| 4999680 | Support assembly for multiple development stations in an electrostatographic reproduction apparatus | Brian Joseph, Thomas W. Mort, Robert M. Westcott | 1991-03-12 |
| 4942432 | Apparatus for adding toner to an electrostatographic development station | Thomas W. Mort, Scott Garner | 1990-07-17 |