Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187328 | Attenuation element for use with valves | Andrew M. Prusha, Billy R. Flowers, David Scheffert | 2021-11-30 |
| 10724643 | Anti-cavitation element for use with valves | Andrew M. Prusha, Billy R. Flowers, David Scheffert | 2020-07-28 |
| 5868378 | Throttling control in a fluid control valve | Timothy A. McMahon, Larry J. Weber | 1999-02-09 |
| 5482249 | Fluid control valve with attenuator and dynamic seal | Paul J. Schafbuch | 1996-01-09 |
| 5400825 | Rotary noise attenuator | Douglas P. Gethmann, Allen C. Fagerlund, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1995-03-28 |
| 5332004 | Rotary noise attenuator | Douglas P. Gethmann, Allen C. Fagerlund, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1994-07-26 |
| 5193583 | Rotary noise attenuator | Douglas P. Gethmann, Allen C. Fagerlund, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1993-03-16 |