Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793328 | Continuous ink jet printing apparatus with improved drop placement | — | 2004-09-21 |
| 6746108 | Method and apparatus for printing ink droplets that strike print media substantially perpendicularly | — | 2004-06-08 |
| 6739705 | Continuous stream ink jet printhead of the gas stream drop deflection type having ambient pressure compensation mechanism and method of operation thereof | James M. Chwalek | 2004-05-25 |
| 6682182 | Continuous ink jet printing with improved drop formation | James M. Chwalek, David P. Trauernicht | 2004-01-27 |
| 6644792 | Ink droplet forming apparatus and method for use in ink jet printer system | James M. Chwalek | 2003-11-11 |
| 6588889 | Continuous ink-jet printing apparatus with pre-conditioned air flow | — | 2003-07-08 |
| 6588888 | Continuous ink-jet printing method and apparatus | James M. Chwalek, Christopher N. Delametter | 2003-07-08 |
| 6575566 | Continuous inkjet printhead with selectable printing volumes of ink | Gilbert A. Hawkins, Ravi Sharma | 2003-06-10 |
| 6572222 | Synchronizing printed droplets in continuous inkjet printing | Gilbert A. Hawkins, Constantine N. Anagnostopoulos, William R. Zimmerli | 2003-06-03 |
| 6561616 | Active compensation for changes in the direction of drop ejection in an inkjet printhead | Gilbert A. Hawkins, Antonio Cabal, Christopher N. Delametter | 2003-05-13 |
| 6554389 | Inkjet drop selection a non-uniform airstream | Gilbert A. Hawkins, Christopher N. Delametter, James M. Chwalek | 2003-04-29 |
| 6554410 | Printhead having gas flow ink droplet separation and method of diverging ink droplets | James M. Chwalek | 2003-04-29 |
| 6536883 | Continuous ink-jet printer having two dimensional nozzle array and method of increasing ink drop density | Gilbert A. Hawkins, Christopher N. Delametter | 2003-03-25 |
| 6517197 | Continuous ink-jet printing method and apparatus for correcting ink drop replacement | Gilbert A. Hawkins, James M. Chwalek | 2003-02-11 |
| 6509917 | Continuous ink jet printer with binary electrostatic deflection | James M. Chwalek | 2003-01-21 |
| 6508543 | Continuous ink jet printhead and method of translating ink drops | Gilbert A. Hawkins | 2003-01-21 |
| 6508532 | Active compensation for changes in the direction of drop ejection in an inkjet printhead having orifice restricting member | Gilbert A. Hawkins | 2003-01-21 |
| 6505922 | Continuous ink jet printhead and method of rotating ink drops | Gilbert A. Hawkins | 2003-01-14 |
| 6505921 | Ink jet apparatus having amplified asymmetric heating drop deflection | James M. Chwalek, Christopher N. Delametter | 2003-01-14 |
| 6491362 | Continuous ink jet printing apparatus with improved drop placement | — | 2002-12-10 |
| 6478414 | Drop-masking continuous inkjet printing method and apparatus | — | 2002-11-12 |
| 6474781 | Continuous ink-jet printing method and apparatus with nozzle clusters | — | 2002-11-05 |
| 6457807 | Continuous ink jet printhead having two-dimensional nozzle array and method of redundant printing | Gilbert A. Hawkins, Christopher N. Delametter | 2002-10-01 |
| 6450628 | Continuous ink jet printing apparatus with nozzles having different diameters | James M. Chwalek | 2002-09-17 |
| 6412910 | Permanent alteration of a printhead for correction of mis-direction of emitted ink drops | Gilbert A. Hawkins | 2002-07-02 |