Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976659 | Decompression coupling block | Albert E. Pacosky, Neil S. Robins | 2018-05-22 |
| 7836976 | Underground piercing tool | Michael Grabnic, Dan Marsalek | 2010-11-23 |
| 5787942 | Float-type shut off device for a cryogenic storage tank | Paul Drube, Thomas K. Drube | 1998-08-04 |
| 5682750 | Self-contained liquid natural gas filling station | Michael Lutgen, Tom Drube, Paul Drube, Tom Chrisfield | 1997-11-04 |
| 5616838 | Metering apparatus for cryogenic liquids | Tom Drube, Paul Drube | 1997-04-01 |
| 5542255 | High temperature resistant thermal insulation for cryogenic tanks | Thomas K. Drube | 1996-08-06 |
| 5421162 | LNG delivery system | Keith Gustafson | 1995-06-06 |
| 4947651 | Pressure building circuit for a container for low temperature fluids | Timothy Neeser, Michael Lutgen | 1990-08-14 |