Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12098794 | Cryogenic rotating seal | — | 2024-09-24 |
| 7399002 | Cryogenic seal for vacuum-insulated pipe expansion bellows | Stuart Motew, David McWilliams, Douglas A. Ducote, Jr., William Middleton | 2008-07-15 |
| 7137651 | Fluid piping systems and pipe spools suitable for sub sea use | — | 2006-11-21 |
| 7013935 | Fail safe secondary containment system for a cryogenic liquid transport pipeline | — | 2006-03-21 |
| 6695358 | Controlled leak cryogenic bayonet pipe spool and system | — | 2004-02-24 |
| 6679655 | Permafrost support system and method for vacuum-insulated pipe | — | 2004-01-20 |
| 6533334 | Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid | — | 2003-03-18 |
| 6134893 | Swivel bayonet joint for cryogenic fluids | — | 2000-10-24 |
| 5787940 | Cryogenic fluid system and method of pumping cryogenic fluid | Anker Gram | 1998-08-04 |
| 4554743 | Universal head protrusion gauge for video recorders | Wayne B. Graham | 1985-11-26 |
| RE31665 | Cryopump apparatus | — | 1984-09-11 |
| 4341079 | Cryopump apparatus | — | 1982-07-27 |
| 4275566 | Cryopump apparatus | — | 1981-06-30 |