Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408508 | Oil recovery for refrigeration system | Aaron Ronk, David M. Rockwell | 2019-09-10 |
| 6672102 | Oil recovery and lubrication system for screw compressor refrigeration machine | Edward A. Huenniger, Joseph A. Catrambone | 2004-01-06 |