Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6030192 | Scroll compressor having bearing structure in the orbiting scroll to eliminate tipping forces | Joe T. Hill, John R. Williams, Terry L. Lyons | 2000-02-29 |
| 5791887 | Scroll element having a relieved thrust surface | John R. Williams, Joe T. Hill | 1998-08-11 |
| 5616016 | Pressure biased co-rotational scroll apparatus with enhanced lubrication | Joe T. Hill, John R. Williams, Robert E. Utter | 1997-04-01 |
| 5588820 | Scroll compressor having an axial compliance pressure chamber | Joe T. Hill, John R. Williams | 1996-12-31 |
| 5421708 | Oil separation and bearing lubrication in a high side co-rotating scroll compressor | Robert E. Utter, S. Boyd Wall, Charles A. Singletary, Joe T. Hill, John R. Williams | 1995-06-06 |
| 5421709 | Oil management in a high-side co-rotating scroll compressor | Joe T. Hill, John R. Williams, Robert E. Utter, John Kenneth Wollitz | 1995-06-06 |
| 5129798 | Co-rotational scroll apparatus with improved scroll member biasing | Daniel R. Crum, Peter A. Kotlarek, George W. Brandt, Joe T. Hill, John R. Williams +1 more | 1992-07-14 |
| 5122040 | Scroll member and method of forming a scroll member | — | 1992-06-16 |