Issued Patents All Time
Showing 101–125 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794098 | Leading edge electrostatic voltmeter readings in the image-on-image electrophotographic printing process | — | 1998-08-11 |
| 5794106 | Erase before D.C. recharge in color electrophotographic printing | — | 1998-08-11 |
| 5778289 | D.C. recharge to reduce cross contamination in the read IOI process | — | 1998-07-07 |
| 5778288 | Erase before A.C. recharge in color electrographic printing | Charles H. Tabb, Kenneth W. Pietrowski | 1998-07-07 |
| 5761579 | Five cycle color printing architecture with transfer after cleaning | — | 1998-06-02 |
| 5749034 | Transfer, cleaning and imaging stations spaced within an interdocument zone | — | 1998-05-05 |
| RE35698 | Donor roll for scavengeless development in a xerographic apparatus | Thomas J. Behe, Gerald T. Lioy, Grace T. Brewington, Joseph G. Schram, William H. Wayman | 1997-12-23 |
| 5666590 | Developer set up using residual toner voltage reading | — | 1997-09-09 |
| 5652648 | Negative wrap back up roll adjacent the transfer nip | Thomas J. Behe, Grace T. Brewington, William H. Wayman | 1997-07-29 |
| 5600430 | Split recharge method and apparatus for color image formation | Roger L. Bullock, Thomas J. Fleck, Kenneth W. Pietrowski, Charles H. Tabb, Zhao-Zhi Yu +1 more | 1997-02-04 |
| 5581330 | Method and apparatus for reducing residual toner voltage | Kenneth W. Pietrowski, Samuel W. Ing, Roger L. Bullock, Thomas J. Fleck, Charles H. Tabb +3 more | 1996-12-03 |
| 5579100 | Single positive recharge method and apparatus for color image formation | Zhao-Zhi Yu, Charles H. Tabb, John F. O'Brien, James R. Beachner, Mark A. Gwaltney +1 more | 1996-11-26 |
| 5579089 | Method and apparatus for reducing transferred background toner | — | 1996-11-26 |
| 5576824 | Five cycle image on image printing architecture | — | 1996-11-19 |
| 5574540 | Dual use charging devices | — | 1996-11-12 |
| 5574527 | Multiple use of a sensor in a printing machine | — | 1996-11-12 |
| 5574541 | Corona dual-use for color image formation | — | 1996-11-12 |
| 5572302 | Electrode wire positioning for scavengeless development | Thomas J. Behe, Daniel M. Bray, Steven C. Hart, Joseph G. Schram | 1996-11-05 |
| 5548391 | Process color using light lens scanning techniques | — | 1996-08-20 |
| 5537190 | Method and apparatus to improve registration in a black first printing machine | Daniel W. Costanza | 1996-07-16 |
| 5515155 | Method and apparatus for establishing exposure and developer set points for color image formation | — | 1996-05-07 |
| 5499084 | Development system for use in a color printer | Daniel M. Bray, Alexander J. Fioravanti | 1996-03-12 |
| 5420375 | Proper charging of donor roll in hybrid development | Thomas J. Behe, Joseph G. Schram | 1995-05-30 |
| 5394223 | Apparatus for image registration | Steven C. Hart, Fred F. Hubble, III, Thomas J. Hammond, James P. Martin | 1995-02-28 |
| 5365317 | Charging system for eliminating edgebanding in an electrostatographic printing process | Daniel M. Bray, Alex Fioravanti, Kenneth W. Pietrowski, Gerald T. Lioy, Thomas J. Behe | 1994-11-15 |