Issued Patents All Time
Showing 151–175 of 195 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5903292 | Ink refill techniques for an inkjet print cartridge which leave correct back pressure | Joseph E. Scheffelin, Elizabeth Zapata, David S. Hunt | 1999-05-11 |
| 5903295 | Compliant headland design for thermal ink-jet pen | David W. Swanson, Jaren D. Marler | 1999-05-11 |
| 5896153 | Leak resistant two-material frame for ink-jet print cartridge | David W. Swanson, Jaren D. Marler | 1999-04-20 |
| 5880748 | Ink delivery system for an inkjet pen having an automatic pressure regulation system | Brian J. Keefe, John Paul Harmon | 1999-03-09 |
| 5874974 | Reliable high performance drop generator for an inkjet printhead | Kenneth J. Courian, John L. Stoffel, Richard A. Sader, Keshava A. Prasad, Steven L. Webb +4 more | 1999-02-23 |
| 5860363 | Ink jet cartridge with separately replaceable ink reservoir | Bruce Cowger | 1999-01-19 |
| 5844580 | Ink container configured for use with a printing device having an out-of-ink sensing system | John A. Barinaga, John A. Underwood, James M. Cameron | 1998-12-01 |
| 5835817 | Replaceable part with integral memory for usage, calibration and other data | Michael L. Bullock, B. Mark Hirst, Ronald D. Stephens, Jr., Antoni Gil Miquel | 1998-11-10 |
| 5812156 | Apparatus controlled by data from consumable parts with incorporated memory devices | Michael L. Bullock | 1998-09-22 |
| 5755032 | Method of forming an inkjet printhead with channels connecting trench and firing chambers | Yichuan Pan | 1998-05-26 |
| 5751323 | Adhesiveless printhead attachment for ink-jet pen | David W. Swanson, Jaren D. Marler | 1998-05-12 |
| 5699091 | Replaceable part with integral memory for usage, calibration and other data | Michael L. Bullock, B. Mark Hirst, Ronald D. Stephens, Jr., Antoni Gil Miquel | 1997-12-16 |
| 5686949 | Compliant headland design for thermal ink-jet pen | David W. Swanson, Jaren D. Marler | 1997-11-11 |
| 5685074 | Method of forming an inkjet printhead with trench and backward peninsulas | Yichuan Pan | 1997-11-11 |
| 5673073 | Syringe for filling print cartridge and establishing correct back pressure | Joseph E. Scheffelin | 1997-09-30 |
| 5648804 | Compact inkjet substrate with centrally located circuitry and edge feed ink channels | Brian J. Keefe, Steven W. Steinfield, Paul H. McClelland, Kenneth E. Trueba | 1997-07-15 |
| 5648805 | Inkjet printhead architecture for high speed and high resolution printing | Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Ellen R. Tappon +4 more | 1997-07-15 |
| 5648806 | Stable substrate structure for a wide swath nozzle array in a high resolution inkjet printer | Steven W. Steinfield, Brian J. Keefe, Donald G. Harris, Majid Azmoon | 1997-07-15 |
| 5638101 | High density nozzle array for inkjet printhead | Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Ellen R. Tappon +4 more | 1997-06-10 |
| 5637166 | Similar material thermal tab attachment process for ink-jet pen | David W. Swanson, Jaren D. Marler | 1997-06-10 |
| 5635966 | Edge feed ink delivery thermal inkjet printhead structure and method of fabrication | Brian J. Keefe, Steven W. Steinfield, Paul H. McClelland, Kenneth E. Trueba, Duane Fasen +7 more | 1997-06-03 |
| 5625396 | Ink delivery method for an inkjet print cartridge | Brian J. Keefe, Steven W. Steinfield, Paul H. McClelland, Kenneth E. Trueba | 1997-04-29 |
| 5619236 | Self-cooling printhead structure for inkjet printer with high density high frequency firing chambers | Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Ellen R. Tappon +4 more | 1997-04-08 |
| 5604519 | Inkjet printhead architecture for high frequency operation | Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Ellen R. Tappon +4 more | 1997-02-18 |
| 5594481 | Ink channel structure for inkjet printhead | Brian J. Keefe, May F. Ho, Kenneth J. Courian, Steven W. Steinfield, Ellen R. Tappon +4 more | 1997-01-14 |