Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8550117 | Seal assembly for a fluid pressure control device | Michael W. McCarty, Donald R. Bush, Daniel M. Adams, Michael D. Frohwein | 2013-10-08 |
| 8261776 | Sound pressure level feedback control | — | 2012-09-11 |
| 7866441 | Noise level reduction of sparger assemblies | Charles L. DePenning, Allen C. Fagerlund | 2011-01-11 |
| 7814936 | Sound pressure level feedback control | — | 2010-10-19 |
| 7766045 | Fluid pressure reduction device for high pressure-drop ratios | Allen C. Fagerlund, Charles L. DePenning, Paul T. Alman, Ted Dennis Grabau | 2010-08-03 |
| 7584822 | Noise level reduction of sparger assemblies | Charles L. DePenning, Allen C. Fagerlund | 2009-09-08 |
| 7578314 | Seal assembly for a fluid pressure control device | Michael W. McCarty, Donald R. Bush, Daniel M. Adams, Michael D. Frohwein | 2009-08-25 |
| 7055324 | Noise abatement device and method for air-cooled condensing systems | Charles L. DePenning, Allen C. Fagerlund, Michael W. McCarty | 2006-06-06 |