Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308808 | Apparatus and method for article cleaning | Darren Lee Hallman, David Joseph Najewicz, Sung Jin Kim, Andrew Denise Varghese, Thomas Joseph Fyvie +2 more | 2007-12-18 |
| 7010930 | Method and system for cooling high power density devices | Mehmet Arik, Michael John Bowman, Charles Max Byrd, William Dwight Gerstler, Daniel P. Smith +1 more | 2006-03-14 |
| 6679065 | Temperature controlled compartment apparatus and method of controlling temperature | Martin Mitchell Zentner, Venkataramana Rachakonda, Debra Miozza, Anand Ganesh Joshi, Sanjay Manohar Anikhindi +1 more | 2004-01-20 |
| 6552525 | System and method for scheduling and monitoring electrical device usage | — | 2003-04-22 |
| 6502018 | Method for diagnosis of equipment | — | 2002-12-31 |
| 6438978 | Refrigeration system | — | 2002-08-27 |
| 6318160 | Testing a power plant system of a locomotive under a thermally steady state | — | 2001-11-20 |
| 6246950 | Model based assessment of locomotive engines | Steven Hector Azzaro | 2001-06-12 |
| 6196011 | Refrigeration system with independent compartment temperature control | — | 2001-03-06 |
| 6101826 | Method for selection of refrigerator control parameters | — | 2000-08-15 |
| 5996361 | Refrigeration system | Frank Joseph Bowden | 1999-12-07 |
| 5961567 | Method and apparatus for performance based assessment of locomotive diesel engines | Steven Hector Azzaro, Christopher Edward Wolfe | 1999-10-05 |
| 5806011 | Method and apparatus for performance based assessment of locomotive diesel engines | Steven Hector Azzaro, Christopher Edward Wolfe | 1998-09-08 |
| 5657638 | Two speed control circuit for a refrigerator fan | David M. Erdman | 1997-08-19 |
| 5586445 | Low refrigerant charge detection using a combined pressure/temperature sensor | — | 1996-12-24 |
| 5561602 | Tunnel operation for self-propelled traction vehicles | Ronald F. Griebel, Gregory A. Marsh | 1996-10-01 |
| 5487277 | Independent compartment temperature control in a household refrigerator using interlinked thermostats | — | 1996-01-30 |
| 5471849 | Independent compartment temperature control in a household refrigerator using fan interlock | — | 1995-12-05 |
| 5463876 | Control system for refrigerant metering solenoid valve | Frank Joseph Bowden | 1995-11-07 |
| 5426952 | Refrigerant flow rate control based on evaporator exit dryness | — | 1995-06-27 |
| 5425246 | Refrigerant flow rate control based on evaporator dryness | — | 1995-06-20 |
| 5415008 | Refrigerant flow rate control based on suction line temperature | — | 1995-05-16 |
| 5410230 | Variable speed HVAC without controller and responsive to a conventional thermostat | John Marshall Hooker, Rajendra K. Shah | 1995-04-25 |
| 5301514 | Low refrigerant charge detection by monitoring thermal expansion valve oscillation | — | 1994-04-12 |
| 5285648 | Differential pressure superheat sensor for low refrigerant charge detection | — | 1994-02-15 |