Plzak; William J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Plzak; William J..The latest application filed is for "coaxial economizer assembly and method".
- Plzak; William J. - La Crescent MN
- Plzak; William J. - Crescent MN
| Patent | Date |
|---|---|
| Coaxial economizer assembly and method Grant 9,683,758 - James , et al. June 20, 2 | 2017-06-20 |
| Centrifugal compressor assembly and method Grant 9,556,875 - Haley , et al. January 31, 2 | 2017-01-31 |
| Coaxial Economizer Assembly And Method App 20150013360 - Haley; Paul F. ; et al. | 2015-01-15 |
| Coaxial economizer assembly and method Grant 8,844,318 - James , et al. September 30, 2 | 2014-09-30 |
| Centrifugal Compressor Assembly And Method App 20140127059 - Haley; Paul F. ; et al. | 2014-05-08 |
| Centrifugal compressor assembly and method Grant 8,627,680 - Haley , et al. January 14, 2 | 2014-01-14 |
| Centrifugal Compressor Assembly And Method App 20120087815 - Haley; Paul H. ; et al. | 2012-04-12 |
| Coaxial Economizer Assembly And Method App 20110296859 - James; Rick T. ; et al. | 2011-12-08 |
| Centrifugal compressor assembly and method Grant 8,037,713 - Haley , et al. October 18, 2 | 2011-10-18 |
| Coaxial economizer assembly and method Grant 7,975,506 - James , et al. July 12, 2 | 2011-07-12 |
| Coaxial Economizer Assembly And Method App 20090205361 - James; Rick T. ; et al. | 2009-08-20 |
| Centrifugal Compressor Assembly And Method App 20090205360 - Haley; Paul H. ; et al. | 2009-08-20 |
| Apparatus and method for automatically purging an absorption cooling system Grant 5,636,526 - Plzak , et al. June 10, 1 | 1997-06-10 |
| Refrigeration system thermal purge apparatus Grant 5,031,410 - Plzak , et al. July 16, 1 | 1991-07-16 |
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