Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702599 | Method and apparatus for improving refrigeration and air conditioning efficiency | Cass Khoo | 2017-07-11 |
| 9702600 | Method and apparatus for improving refrigeration and air conditioning efficiency | Cass Khoo | 2017-07-11 |
| 9702602 | Method and apparatus for improving refrigeration and air conditioning efficiency | Cass Khoo | 2017-07-11 |
| 9494351 | Method and apparatus for improving refrigeration and air conditioning efficiency | Cass Khoo | 2016-11-15 |
| 5727398 | Refrigerant agitation apparatus | — | 1998-03-17 |
| 5426956 | Refrigerant system efficiency amplifying apparatus | — | 1995-06-27 |
| 5259213 | Heat pump efficiency enhancer | — | 1993-11-09 |
| 5163304 | Refrigeration system efficiency enhancer | — | 1992-11-17 |
| 5109677 | Supplemental heat exchanger system for heat pump | — | 1992-05-05 |