Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7014690 | Expandable desiccant element | Matthew D. Mitsch | 2006-03-21 |
| 6952932 | Aftercooler bypass means for a locomotive compressed air system | Walter E. Goettel, Daniel Wagner, Roger Drummond | 2005-10-11 |
| 6793146 | Battery powered humidity indicator | Matthew D. Mitsch | 2004-09-21 |
| 6659739 | Locomotive air compressor with an electric motor supported by an external bearing | James Varney, Walter E. Goettel | 2003-12-09 |
| 6644934 | Aftercooler bypass means for a locomotive compressed air system | Walter E. Goettel, Daniel Wagner, Roger Drummond | 2003-11-11 |
| 6474748 | Electronic vent valve | — | 2002-11-05 |
| 6447267 | Locomotive air compressor with motor supported by outside bearing | James Varney, Walter E. Goettel | 2002-09-10 |
| 6419465 | Shaft extension for use with outboard bearing designs | Walter E. Goettel, Roger Drummond, Ronald Shaffer, James Varney | 2002-07-16 |
| 6390779 | Intelligent air compressor operation | — | 2002-05-21 |
| 6376950 | Combined bearing plate and stator frame casting | James Varney, Walter E. Goettel, Ronald Shaffer | 2002-04-23 |
| 6364635 | Endplate for use with outboard bearing designs | Walter E. Goettel, Roger Drummond, Ronald Shaffer, James Varney | 2002-04-02 |
| 6305313 | Pop-up temperature indicator for use in a 3-CD type air compressor or similar device | Jennifer L. Ray | 2001-10-23 |
| 6286997 | Temperature indicator for use in a pressurized environment | Jennifer L. Ray | 2001-09-11 |
| 6283725 | Aftercooler bypass means for a locomotive compressed air system | Walter E. Goettel, Daniel Wagner, Roger Drummond | 2001-09-04 |
| 6203285 | Compressor intercooler unloader arrangement | Daniel Wagner, Walter E. Goettel | 2001-03-20 |
| 6167956 | Aftercooler having bypass passage integrally formed therewith | Robert G. Bostedo | 2001-01-02 |
| 6128825 | Combination main reservoir and gas drying apparatus | — | 2000-10-10 |
| 6125872 | Temperature activated diversion valve | Jennifer L. Ray | 2000-10-03 |
| 6123515 | Pressure relief valve with pneumatic pilot | Ralph Santoro, Jr. | 2000-09-26 |
| 6070339 | Membrane air dryer with scheme to reduce air lost as sweep air | — | 2000-06-06 |
| 6026587 | Intercooler blowdown valve | Daniel Wagner, Walter E. Goettel | 2000-02-22 |
| 6021867 | Air compressor bearing lubrication | Julie A. Krawczyk, Roger Drummond, Walter E. Goettel, Daniel Wagner | 2000-02-08 |
| 5963883 | Modified airflow algorithm with compensation for variations in main reservoir air pressure and ambient airflow | James Varney, Mike Wong | 1999-10-05 |
| 5894881 | Fan powered aftercooler and control circuit for locomotive compressors having no integral aftercooler | Daniel Wagner, Walter E. Goettel | 1999-04-20 |
| 5885060 | Thermostatically controlled intercooler system for a multiple stage compressor and method | Walter E. Goettel, Daniel Wagner, Roger Drummond | 1999-03-23 |