Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339293 | Identifying substrate waste sites | Joshua M. Yu, Christopher Hans Bakker | 2025-06-24 |
| 11667130 | Fluid ejection and circulation | Paul Mark Haines, Anjan Prabhat Pattathil | 2023-06-06 |
| 10906320 | Standpipe crossflow circulation | Benjamin H. Wood, Paul Mark Haines, Anjan Prabhat Pattathil, Franklin D. Derryberry | 2021-02-02 |
| 8919938 | Droplet generator | Garrett E. Clark | 2014-12-30 |
| 7048355 | High-performance, high-density ink jet printhead having multiple modes of operation | Joseph M. Torgerson, Mark H. MacKenzie, Simon Dodd | 2006-05-23 |
| 6977185 | Printhead integrated circuit | Frank R. Bryant, Joseph M. Torgerson | 2005-12-20 |
| 6902252 | Fluid ejection device with staggered ink drop generators | Joseph M. Torgerson, Mark H. MacKenzie | 2005-06-07 |
| 6883894 | Printhead with looped gate transistor structures | Frank R. Bryant, Joseph M. Torgerson | 2005-04-26 |
| 6866364 | Printhead having drop generators in staggered axis groups | Joseph M. Torgerson, Mark H. MacKenzie | 2005-03-15 |
| 6860587 | Ink jet printhead | Joseph M. Torgerson, Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller | 2005-03-01 |
| 6722759 | Ink jet printhead | Joseph M. Torgerson, Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller, Simon Dodd | 2004-04-20 |
| 6663224 | Orifice plate with break tabs and method of manufacturing | Rio Rivas, Garrard Hume, Gerald Trunk, Niranjan Thirukkovalur | 2003-12-16 |
| 6585352 | Compact high-performance, high-density ink jet printhead | Joseph M. Torgerson, Mark H. MacKenzie | 2003-07-01 |
| 6533394 | Orifice plate with break tabs and method of manufacturing | Gerald Trunk, Niranjan Thirukkovalur | 2003-03-18 |
| 6523935 | Narrow ink jet printhead | Joseph M. Torgerson, Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller | 2003-02-25 |
| 6478404 | Ink jet printhead | Joseph M. Torgerson, Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller | 2002-11-12 |
| 6431686 | Fluid ejection device controlled by electrically isolated primitives | Kenneth D. Saul, Joseph M. Torgerson, Mark H. MacKenzie | 2002-08-13 |
| 6422676 | Compact ink jet printhead | Joseph M. Torgerson, Robert N. K. Browning, Mark H. MacKenzie, Michael D. Miller, Simon Dodd | 2002-07-23 |
| 6315389 | Printhead having different center to center spacings between rows of nozzles | Joseph M. Torgerson, Mark H. MacKenzie | 2001-11-13 |
| 6305774 | Printhead substrate having an ink jet primitive structure that spans both edges of an ink feed channel | Joseph M. Torgerson, Mark H. MacKenzie | 2001-10-23 |
| 6267468 | Printhead substrate having a mixture of single and double sided elongate ink feed channels | Joseph M. Torgerson, Mark H. MacKenzie | 2001-07-31 |