Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197091 | Ozone purification process | Wenchang Ji, Robert J. Ferrell | 2001-03-06 |
| 6065306 | Method and apparatus for purifying ammonia | Wenchang Ji, Arthur I. Shirley, Atul M. Athalye | 2000-05-23 |
| 6017382 | Method of processing semiconductor manufacturing exhaust gases | Wenchang Ji, Dongmin Shen, Ravi Jain, Arthur I. Shirley, Atul M. Athalye | 2000-01-25 |
| 5799509 | Multi-component recovery apparatus and method | Steven Finley, Atul M. Athalye | 1998-09-01 |
| 5451248 | Storage and transportation of goods under controlled atmospheres | Michael E. Garrett, Alberto I. LaCava, Norberto Lemcoff, Dimitrios Psaras, Shigeki Hayashi | 1995-09-19 |
| 5125937 | Reversible membrane plant | Michael E. Garrett | 1992-06-30 |
| 5118331 | Gas treatment or separation apparatus | Michael E. Garrett | 1992-06-02 |
| 4848985 | Separation of gas mixtures | — | 1989-07-18 |