Katra; Thomas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Katra; Thomas S..The latest application filed is for "multiple frequency helmholtz resonator".
- Katra; Thomas S. - Fayetteville NY
| Patent | Date |
|---|---|
| Multiple frequency Helmholtz resonator Grant 7,055,484 - Marks , et al. June 6, 2 | 2006-06-06 |
| Liquid injection for reduced discharge pressure pulsation in compressors Grant 6,826,926 - Bush , et al. December 7, 2 | 2004-12-07 |
| Multiple frequency helmholtz resonator App 20030136119 - Marks, Patrick C. ; et al. | 2003-07-24 |
| Liquid injection for reduced discharge pressure pulsation in compressors App 20030126884 - Bush, James W. ; et al. | 2003-07-10 |
| Isolation device and fluid connection Grant 6,209,927 - Katra , et al. April 3, 2 | 2001-04-03 |
| Method and apparatus for controlling beats and minimizing pulsation effects in multiple compressor installations Grant 6,018,957 - Katra , et al. February 1, 2 | 2000-02-01 |
| Refrigeration compressor muffler Grant 5,705,777 - Flanigan , et al. January 6, 1 | 1998-01-06 |
| Integral oil separator and muffler Grant 5,214,937 - Henrichs , et al. June 1, 1 | 1993-06-01 |
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