Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9513038 | Refrigerant cooling and lubrication system with refrigerant source access from an evaporator | Daoud A. Jandal, Reginald Loyd Berry, Ronald Allen Boldt, Matthew Aron Witt, Damion Scott Plymesser | 2016-12-06 |
| 8011196 | Refrigerant control of a heat-recovery chiller | Alan Hv Eber, Steven J. Pitts | 2011-09-06 |
| 7421855 | Gas trap distributor for an evaporator | H. Kenneth Ring, Kenneth J. Schultz, Steven J. Pitts, Ronald Maurice Cosby, II | 2008-09-09 |
| 7311501 | Scroll compressor with bifurcated flow pattern | Chris Wehrenberg, Scott J. Smerud | 2007-12-25 |
| 6705100 | Purge | Richard M. Heiden, Robert Roth, Steven E. Wolfgram | 2004-03-16 |
| 6650122 | Rotor analyzer for an induction motor | Michael D. Matthews, Henry G. Lenz | 2003-11-18 |
| 6647736 | Purge | Richard M. Heiden, Robert Roth, Steven E. Wolfgram, Lori Ann Manning | 2003-11-18 |
| 6564564 | Purge | Richard M. Heiden, Robert Roth, Steven E. Wolfgram | 2003-05-20 |
| 6459276 | Rotor analyzer for an induction motor | Michael D. Matthews, Henry G. Lenz | 2002-10-01 |
| 6217720 | Multi-layer reactive sputtering method with reduced stabilization time | Jerzy A. Dobrowolski, Glenn Clarke, Takayuki Akiyama, Takashi Ito | 2001-04-17 |
| 6170271 | Sizing and control of fresh air dehumidification unit | — | 2001-01-09 |
| 6122923 | Charge control for a fresh air refrigeration system | — | 2000-09-26 |
| 6110337 | Sputtering method and apparatus with optical monitoring | Glenn Clarke, Norman Ronald Osborne | 2000-08-29 |
| 5982541 | High efficiency projection displays having thin film polarizing beam-splitters | Li Li, Jerzy A. Dobrowolski | 1999-11-09 |
| 5901162 | Hybrid, saturable reflector for mode-locking lasers | Alfred John Alcock | 1999-05-04 |
| 5619059 | Color deformable mirror device having optical thin film interference color coatings | Li Li, Jerzy A. Dobrowolski, Peter Grant | 1997-04-08 |
| 5553997 | Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive | Craig M. Goshaw, Paul C. Rentmeester | 1996-09-10 |
| 5537830 | Control method and appartus for a centrifugal chiller using a variable speed impeller motor drive | Craig M. Goshaw, Paul C. Rentmeester | 1996-07-23 |
| 5510163 | Optical storage media having visible logos | Li Li, Jerzy A. Dobrowolski, Peter Grant | 1996-04-23 |
| 5355691 | Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive | Craig M. Goshaw, Paul C. Rentmeester | 1994-10-18 |
| 5049780 | Optical interference, electroluminescent device having low reflectance | Jerzy A. Dobrowolski, Robert C. Bajcar | 1991-09-17 |
| 5031410 | Refrigeration system thermal purge apparatus | William J. Plzak | 1991-07-16 |