Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404757 | Hydraulic fracturing spread and mechanisms | — | 2025-09-02 |
| 11767917 | Press-in retainer ring | Thomas Paul Zitting | 2023-09-26 |
| 11761318 | Hydraulic fracturing spread and mechanisms | — | 2023-09-19 |
| 11280332 | Valve and seat with seal | — | 2022-03-22 |
| 11131385 | Press-in retainer ring | Thomas Paul Zitting | 2021-09-28 |
| 9933071 | Seal and method of manufacturing and/or using same | Tyler James Ryther, Raymond Lee Chaplin | 2018-04-03 |
| 7604243 | Composite seals, seal structures and related methods | Tadd McBride, A. Todd Hagen | 2009-10-20 |
| 7370866 | Sleeve element having a biasable end region, apparatus including same, and method of use | Lorin Zitting | 2008-05-13 |
| 6595524 | Pressure regulating buffer seal | — | 2003-07-22 |