Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390808 | Device and method for detecting nucleic acids in biological samples | Timothy Alcorn, Steven J. Dietl, Robert Altavela, John C. Detter, Todd Haran +3 more | 2025-08-19 |
| 6644774 | Ink jet printhead having out-of-ink detection using temperature monitoring system | William R. Burger, James E. Hogle, William L. Gary | 2003-11-11 |
| 6409302 | Sensing system for detecting presence of an ink container and level of ink therein | Kenneth W. Altfather, Steven J. Dietl, Donald M. Stevens, Fred F. Hubble, III | 2002-06-25 |
| 6305796 | Thermal ink jet printer having dual function dryer | Thomas F. Szlucha, Kenneth W. Altfather, Donald M. Stevens | 2001-10-23 |
| 6234603 | Sensing system for detecting presence of an ink container and level of ink therein | Kenneth W. Altfather, Steven J. Dietl, Donald M. Stevens, Fred F. Hubble, III | 2001-05-22 |
| 5997121 | Sensing system for detecting presence of an ink container and level of ink therein | Kenneth W. Altfather, Steven J. Dietl, Donald M. Stevens, Fred F. Hubble, III | 1999-12-07 |
| 5959649 | Ink supply system for a thermal ink-jet printer | Steven J. Dietl | 1999-09-28 |
| 5786834 | Method and apparatus for storing and supplying ink to a thermal ink-jet printer | Steven J. Dietl, David P. Breemes, Sr. | 1998-07-28 |
| D395669 | Combined print head and ink tank holder | Robert K. McCubbin, Sr., Richard C. Keefe, Donald M. Stevens | 1998-06-30 |
| 5742312 | Printhead cartridge having a fluid valved breather | — | 1998-04-21 |
| 5563643 | Ink jet printhead and ink supply manifold assembly having ink passageway sealed therebetween | Vladimir M. Kupchik | 1996-10-08 |
| 5548310 | Automatic positioning of wiper blades in an ink jet printer maintenance station | Thomas R. Binnert | 1996-08-20 |
| 5486855 | Apparatus for supplying ink to an ink jet printer | Steven J. Dietl, Richard A. Morano | 1996-01-23 |
| 5465110 | Sheet handling device and method for transporting sheets | David Greg Anderson | 1995-11-07 |
| 5432538 | Valve for an ink jet printer maintenance system | — | 1995-07-11 |
| 5420625 | Ink supply system for a thermal ink-jet printer | Steven J. Dietl | 1995-05-30 |
| 5404158 | Ink jet printer maintenance system | Kenneth W. Altfather, Karai P. Premnath | 1995-04-04 |
| 5400060 | Thermal ink jet cartridge face sealing for shipping | — | 1995-03-21 |
| 5342039 | Sheet handling device and method for transporting sheets | David Greg Anderson | 1994-08-30 |
| 5339102 | Capping carriage for ink jet printer maintenance station | — | 1994-08-16 |
| 5329306 | Waste ink separator for ink jet printer maintenance system | — | 1994-07-12 |
| 5289212 | Air vent for an ink supply cartridge in a thermal ink-jet printer | — | 1994-02-22 |
| 5257044 | Cap actuation mechanism for capping ink jet printheads | William R. Smith, Takashi Norigoe | 1993-10-26 |
| 5233369 | Method and apparatus for supplying ink to an ink jet printer | Steven J. Dietl, Richard A. Morano | 1993-08-03 |
| 5159348 | Ink jet printing apparatus | Steven J. Dietl, David Greg Anderson, Thomas N. Taylor, Richard A. Morano | 1992-10-27 |