Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814540 | Rotating vane diffuser for a centrifugal compressor | Thomas M. Zinsmeyer | 2004-11-09 |
| 6739147 | Alternate flow of discharge gas to a vaporizer for a screw compressor | — | 2004-05-25 |
| 6632077 | Hybrid bearing arrangement for centrifugal compressor | — | 2003-10-14 |
| 6619430 | Refrigerant gas buffered seal system | Jianping Zhong | 2003-09-16 |
| 6554567 | Compliant mechanical stop for limiting split ring diffuser travel | — | 2003-04-29 |
| 6547520 | Rotating vane diffuser for a centrifugal compressor | Thomas M. Zinsmeyer, James Barrett | 2003-04-15 |
| 6506031 | Screw compressor with axial thrust balancing and motor cooling device | — | 2003-01-14 |
| 6506011 | Method for limiting split ring diffuser travel | — | 2003-01-14 |
| 6237353 | System for removing parasitic losses in a refrigeration unit | Michael A. Stark | 2001-05-29 |
| 6216474 | Part load performance of variable speed screw compressor | — | 2001-04-17 |
| 6099168 | Composite roller bearing for variable pipe diffuser | — | 2000-08-08 |
| 6036432 | Method and apparatus for protecting centrifugal compressors from rotating stall vibrations | Joost Brasz | 2000-03-14 |
| 6015259 | Support mechanism of inner ring for variable pipe diffuser | Kenneth A. Wright | 2000-01-18 |
| 5988977 | Backlash adjustment mechanism for variable pipe diffuser | Edward G. Gallagher | 1999-11-23 |
| 5899661 | Axial restraint system for variable pipe diffuser | Thomas M. Zinsmeyer | 1999-05-04 |
| 5895204 | Drive positioning mechanism for a variable pipe diffuser | Kenneth A. Wright, Frank H. Godlewski | 1999-04-20 |
| 5685699 | Compressor transmission vent system | Cornelius Holmes, Jarso Mulugeta | 1997-11-11 |
| 5515694 | Subcooler level control for a turbine expansion refrigeration cycle | Steven E. Meloling | 1996-05-14 |
| 5404964 | System for reducing oil migration from a transmission | Thomas M. Zinsmeyer | 1995-04-11 |
| 5301771 | Oil channeling in a centrifugal compressor transmission | Thomas M. Zinsmeyer | 1994-04-12 |
| 5267452 | Back pressure valve | Thomas M. Zinsmeyer | 1993-12-07 |
| 5249919 | Method of mounting silencer in centrifugal compressor collector | James Byrne | 1993-10-05 |
| 5165248 | Oil reclaim in a centrifugal chiller system | — | 1992-11-24 |
| 4997340 | Balance piston and seal arrangement | Thomas M. Zinsmeyer | 1991-03-05 |