Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400900 | Multi-port ball valve with induced flow in ball-body cavity | Kyle Phillip Zedick | 2019-09-03 |
| 7997151 | Automated apparatus and method for determining physical properties of materials | — | 2011-08-16 |
| 7607640 | Rotary valve actuator | — | 2009-10-27 |
| 6066237 | Safe and semi-automatic removal of heavy drum closures | — | 2000-05-23 |
| 5947157 | Throttling device and element | — | 1999-09-07 |
| 5876568 | Safe and semi-automatic removal of heavy drum closures | — | 1999-03-02 |
| 4556197 | Ball valve assembly with expandable valve element | Matti O. Pyysalo | 1985-12-03 |
| 4260131 | Low and high operating temperatures valve | — | 1981-04-07 |
| 4258900 | Structure maintaining seats against ball valves | — | 1981-03-31 |
| 4217923 | Ball valve with readily removable ball and seats for high temperature environment | — | 1980-08-19 |
| 4214732 | Side-split ball valve construction | — | 1980-07-29 |
| 4187043 | Method and apparatus for boosting pressure in a coal pipeline | — | 1980-02-05 |