Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11644124 | Attenuator dome for a ball valve | Daniel J. Eilers | 2023-05-09 |
| 11525525 | Apparatus for noise reduction in valves | Daniel J. Eilers | 2022-12-13 |
| 10663083 | Trim assembly having a side branch resonator array and fluid control valve comprising same | Daniel J. Eilers | 2020-05-26 |
| 10539252 | Aerodynamic noise reduction cage | Daniel M. Adams, James L. Gossett, Patrick L. O'Shea, Daniel J. Eilers, William E. Wears | 2020-01-21 |
| 10495234 | Flow stabilizer for a control valve | Daniel J. Eilers | 2019-12-03 |
| 10221963 | Ball valve with modal silencer | Daniel J. Eilers | 2019-03-05 |
| 10012326 | Noise reducing diffuser trim with chevrons | Daniel J. Eilers | 2018-07-03 |
| 9759348 | Aerodynamic noise reduction cage | Daniel M. Adams, James L. Gossett, Patrick L. O'Shea, Daniel J. Eilers, William E. Wears | 2017-09-12 |
| 9732859 | Noise reducing diffuser trim | Daniel J. Eilers | 2017-08-15 |
| 9376946 | Modal attenuator | Daniel J. Eliers | 2016-06-28 |
| 9291282 | Swept outlet noise reducing element | Daniel J. Eilers | 2016-03-22 |
| 8931591 | Simplified modal attenuator | James L. Gossett | 2015-01-13 |
| 8430131 | Noise control via outlet jet frequency dispersal | Daniel J. Eilers, Michael W. McCarty | 2013-04-30 |
| 8387666 | Noise control for fluid pressure reduction device for high pressure drop ratio | Daniel J. Eilers, Michael W. McCarty | 2013-03-05 |
| 7866441 | Noise level reduction of sparger assemblies | Frederick W. Catron, Charles L. DePenning | 2011-01-11 |
| 7766045 | Fluid pressure reduction device for high pressure-drop ratios | Frederick W. Catron, Charles L. DePenning, Paul T. Alman, Ted Dennis Grabau | 2010-08-03 |
| 7584822 | Noise level reduction of sparger assemblies | Frederick W. Catron, Charles L. DePenning | 2009-09-08 |
| 7055324 | Noise abatement device and method for air-cooled condensing systems | Charles L. DePenning, Frederick W. Catron, Michael W. McCarty | 2006-06-06 |
| 5400825 | Rotary noise attenuator | Douglas P. Gethmann, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1995-03-28 |
| 5332004 | Rotary noise attenuator | Douglas P. Gethmann, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1994-07-26 |
| 5193583 | Rotary noise attenuator | Douglas P. Gethmann, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1993-03-16 |
| 5180139 | Rotary ball fluid control valve with noise attenuator | Douglas P. Gethmann | 1993-01-19 |
| 4402485 | Eccentrically nested tube gas line silencer | — | 1983-09-06 |