Issued Patents All Time
Showing 25 most recent of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815669 | Multifunction structural furring system | Chad Diercks, Benjamin Batres, Michael McEndree, Jose Gonzalez | 2020-10-27 |
| 8075283 | Oil balance system and method for compressors connected in series | — | 2011-12-13 |
| 7980836 | Modular multi-rotor compressor and method of manufacture | — | 2011-07-19 |
| 7712329 | Oil balance system and method for compressors | — | 2010-05-11 |
| 7651322 | Oil balance system and method for compressors connected in series | — | 2010-01-26 |
| RE39625 | Boosted air source heat pump | — | 2007-05-15 |
| 6931871 | Boosted air source heat pump | David S. Fishman | 2005-08-23 |
| 6276148 | Boosted air source heat pump | — | 2001-08-21 |
| 6217304 | Multi-rotor helical-screw compressor | — | 2001-04-17 |
| 6186758 | Multi-rotor helical-screw compressor with discharge side thrust balance device | — | 2001-02-13 |
| 6141980 | Evaporator generated foam control of compression systems | — | 2000-11-07 |
| 6105378 | Variable capacity vapor compression cooling system | — | 2000-08-22 |
| 6093007 | Multi-rotor helical-screw compressor with thrust balance device | — | 2000-07-25 |
| 6003324 | Multi-rotor helical screw compressor with unloading | — | 1999-12-21 |
| 5927088 | Boosted air source heat pump | — | 1999-07-27 |
| 5911743 | Expansion/separation compressor system | — | 1999-06-15 |
| 5845509 | Variable speed parallel centrifugal compressors for HVAC and refrigeration systems | Giridhari L. Agrawal | 1998-12-08 |
| 5839886 | Series connected primary and booster compressors | — | 1998-11-24 |
| 5806324 | Variable capacity vapor compression cooling system | — | 1998-09-15 |
| 5807091 | Multi-rotor helical-screw compressor | — | 1998-09-15 |
| 5775117 | Variable capacity vapor compression cooling system | — | 1998-07-07 |
| 5642992 | Multi-rotor helical screw compressor | — | 1997-07-01 |
| 5295362 | Electronic slide valve block | Edward A. Huenniger | 1994-03-22 |
| 5170640 | Oil separator | Erric L. Heitmann, Arthur G. Mensing, Michael G. Field | 1992-12-15 |
| 5065591 | Refrigeration temperature control system | — | 1991-11-19 |