Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835276 | Purge system for chiller system | Zidu Ma, Ivan Rydkin | 2023-12-05 |
| 11105545 | Purge system for chiller system | Zidu Ma, Ivan Rydkin | 2021-08-31 |
| 11092566 | Leak detection unit for refrigerant system | Lei Chen, Zhiwei Yang, Larry D. Burns, Ivan Rydkin | 2021-08-17 |
| 10663396 | Refrigerant analyzer and a method of using the same | Lei Chen, Zhiwei Yang, Farley William Postgate, Ivan Rydkin | 2020-05-26 |
| 10648943 | Refrigerant analyzer and a method of using the same | Lei Chen, Zhiwei Yang, Ivan Rydkin | 2020-05-12 |
| 10488065 | Leak detection unit for refrigerant system | Lei Chen, Zhiwei Yang, Larry D. Burns, Ivan Rydkin | 2019-11-26 |
| 10473366 | Heat transfer system with phase change composition | Zidu Ma, Ivan Rydkin, Mary Teresa Lombardo | 2019-11-12 |
| 10416113 | Detection of refrigerant contaminants | Lei Chen, Zhiwei Yang, Antonio M. Vincitore, Michael L. Perry | 2019-09-17 |
| 5846833 | Method and apparatus for testing a non-hydrocarbon refrigerant | Lowell E. Paige, John Attanasio, William A. Faris, H. Harvey Michels, David A. Condit | 1998-12-08 |
| 5377496 | Refrigeration system with installed acid contamination indicator | Nancy M. Otto, Henry B. Balduzzi | 1995-01-03 |
| 5363661 | Method and apparatus for testing refrigerant | David A. Condit, H. Harvey Michels, Thomas J. Garosshen | 1994-11-15 |