Issued Patents All Time
Showing 126–150 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359393 | Method and apparatus for measuring photoreceptor voltage potential using a charging device | — | 1994-10-25 |
| 5341197 | Proper charging of donor roll in hybrid development | Thomas J. Behe, Joseph G. Schram | 1994-08-23 |
| 5339150 | Mark detection circuit for an electrographic printing machine | Fred F. Hubble, III, James P. Martin | 1994-08-16 |
| 5307119 | Method and apparatus for monitoring and controlling a toner image formation process | Cyril G. Edmunds | 1994-04-26 |
| 5253016 | Contaminant control for scavengeless development in a xerographic apparatus | Thomas J. Behe, Daniel M. Bray, Gerald M. Kryk, Joseph G. Schram, Cyril G. Edmunds | 1993-10-12 |
| 5245392 | Donor roll for scavengeless development in a xerographic apparatus | Thomas J. Behe, Gerald T. Lioy, Grace T. Brewington, Joseph G. Schram, William H. Wayman | 1993-09-14 |
| 5241356 | Method and apparatus for minimizing the voltage difference between a developed electrostatic image area and a latent electrostaic non-developed image | Daniel M. Bray, Thomas J. Behe | 1993-08-31 |
| 5225856 | Method and apparatus for correction of blooming artifacts in ionographic devices | Tracy E. Thieret, Richard G. Stearns, William B. McDonald, III | 1993-07-06 |
| 5206693 | Development unit having an asymmetrically biased electrode wires | — | 1993-04-27 |
| 5177529 | Machine with removable unit having two element electrical connection | Ross E. Schroll | 1993-01-05 |
| 5153647 | Development system having tensioned electrode wires | Laurence S. Barker, Thomas J. Behe, Daniel M. Bray, James R. Davidson, Gerald M. Kryk +1 more | 1992-10-06 |
| 5153648 | Electrode wire mounting for scavengeless development | Gerald T. Lioy, Thomas J. Behe | 1992-10-06 |
| 5153642 | Fiber cleaning system for a development system | Don B. Jugle | 1992-10-06 |
| 5134442 | Electrode wire contamination prevention and detection | Samuel W. Ing | 1992-07-28 |
| 5089847 | Highlight color copier | — | 1992-02-18 |
| 5063875 | Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll | Joseph G. Schram | 1991-11-12 |
| 5034775 | Triboelectric charge measurement | — | 1991-07-23 |
| 5032872 | Developing device with dual donor rollers including electrically biased electrodes for each donor roller | Eric J. Schneider, Joseph G. Schram | 1991-07-16 |
| 4984019 | Electrode wire cleaning | — | 1991-01-08 |
| 4922298 | Automatic color separation system | Robert N. Goren, James D. Rees | 1990-05-01 |
| 4868907 | Self-biased scorotron grid power supply and electrostatic voltmeter operable therefrom | — | 1989-09-19 |
| 4868607 | Electrophotographic device with a bead pickoff arrangement | Morton Silverberg | 1989-09-19 |
| 4851884 | Piecewise development system | — | 1989-07-25 |
| 4786924 | Hybrid control system for a copier | — | 1988-11-22 |
| 4740814 | Preview system for an electrophotographic printing machine | — | 1988-04-26 |