Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313324 | Cryogenic freezer | John Corey, Buzz Bies | 2025-05-27 |
| 11788783 | Cryogenic freezer | John Corey, Buzz Bies | 2023-10-17 |
| 9903534 | Cryogenic liquid delivery system and method with active pressure building capabilities | Erik Gustafson | 2018-02-27 |
| 9746132 | Self-saturating liquefied natural gas delivery system utilizing hydraulic pressure | Erik Gustafson | 2017-08-29 |
| 9388943 | Ullage tank for vertical storage tank | Chris Schmoeckel, Lyle Holsinger, Carl Taylor | 2016-07-12 |
| 6698211 | Natural gas fuel storage and supply system for vehicles | — | 2004-03-02 |
| 6393847 | Liquid cryogen freezer | Jeffrey S. Brooks | 2002-05-28 |
| 6354088 | System and method for dispensing cryogenic liquids | Claus Emmer, Tom Drube | 2002-03-12 |
| 6128908 | Cryogenic liquid storage tank with integral ullage tank | — | 2000-10-10 |
| 5572875 | Relief valve construction to minimize ignition hazard from cryogenic storage tanks containing volatile liquids | — | 1996-11-12 |
| 5537824 | No loss fueling system for natural gas powered vehicles | George W. Kalet | 1996-07-23 |
| 5421161 | Storage system for cryogenic fluids | — | 1995-06-06 |
| 5421160 | No loss fueling system for natural gas powered vehicles | George W. Kalet | 1995-06-06 |
| 5421162 | LNG delivery system | Duane Preston | 1995-06-06 |
| 5404918 | Cryogenic liquid storage tank | — | 1995-04-11 |
| 5373702 | LNG delivery system | George W. Kalet | 1994-12-20 |
| 5365692 | Method and apparatus for exterminating pests | — | 1994-11-22 |
| 5228295 | No loss fueling station for liquid natural gas vehicles | — | 1993-07-20 |
| 5228585 | Variable capacity vehicle-mounted cryogenic storage vessels and method of making same | H. Michael Lutgen | 1993-07-20 |
| 5163409 | Vehicle mounted LNG delivery system | George W. Kalet | 1992-11-17 |
| 5011700 | Syrup delivery system for carbonated beverages | George W. Kalet, Martin S. Taylor | 1991-04-30 |
| 4956975 | Shutoff valve for cryogenic liquid storage tank | — | 1990-09-18 |
| 4925060 | Cork for cryogenic dry shipper | — | 1990-05-15 |
| 4625753 | Container for receiving, storing, and dispensing cryogenic fluids | — | 1986-12-02 |
| 4608831 | Self-pressurizing container for cryogenic fluids | — | 1986-09-02 |