Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10618005 | Claus unit treatment of shutdown tail gas | Matt E. Debrock, James F. Colwell, Megan M. Richard, Jon F. Gislain | 2020-04-14 | $126,539,000 |
| 10188988 | Claus unit treatment of shutdown tail gas | Matt E. Debrock, James F. Colwell, Megan M. Richard, Jon F. Gislain | 2019-01-29 | $301,172,000 |
| 5996501 | Blast and fragmentation enhancing explosive | Arthur F. Spencer | 1999-12-07 | |
| D311055 | Valve for inflating tires, balloons, or the like | — | 1990-10-02 |