Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365640 | Low temperature membrane process for biogas upgrading | Matthew O'Brien | 2025-07-22 |
| 6180168 | Process for the manufacture of a membrane device with internal sweep | Donald J. Stookey | 2001-01-30 |
| 5215554 | Membranes having enhanced selectivity and method of producing such membranes | Milton K. Murphy, Donald J. Stookey, Jay Henis, Erwin R. Stedronsky | 1993-06-01 |