Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544820 | Biasing apparatus for use with actuators | David George Halm, David Anthony Arnold | 2013-10-01 |
| 8070127 | Manual override apparatus for linear actuators | — | 2011-12-06 |
| 7832327 | Ring sealed diaphragm | Ross Arthur Schade, David Anthony Arnold | 2010-11-16 |
| 7624963 | Valve flow adjustment device | — | 2009-12-01 |
| 7472716 | Valve packing removal device | — | 2009-01-06 |
| 7410144 | Pivot and bearing assembly for a manual valve operator | David George Halm | 2008-08-12 |
| 7219691 | Control valve positioner mounting system | Barry L. Gaarder | 2007-05-22 |
| 7178785 | Stem arrangement for pivot actuated sleeve valve | Michael W. McCarty, Michel K. Lovell | 2007-02-20 |
| 7172172 | Valve packing removal device | — | 2007-02-06 |
| 6939074 | Stem connector assembly | — | 2005-09-06 |
| 6929245 | Stem to sleeve connection for pivot actuated sleeve valve | Michael W. McCarty, Michel K. Lovell | 2005-08-16 |
| 6874761 | Pivot actuated sleeve valve | Michael W. McCarty, Michel K. Lovell | 2005-04-05 |
| 6733000 | Pivot actuated sleeve valve | Michael W. McCarty, Michel K. Lovell | 2004-05-11 |
| 6416268 | Mechanical fastening apparatus | — | 2002-07-09 |
| 6382253 | Fluid pressure reduction device with integral guides | Michael W. McCarty, Mark Edward Byer, James L. Gossett | 2002-05-07 |
| 6213150 | Fluid pressure reduction disks with taper nut retention device | — | 2001-04-10 |
| 6095196 | Tortuous path fluid pressure reduction device | Michael W. McCarty, Ted A. Long, Paul J. Schafbuch | 2000-08-01 |
| 5941281 | Fluid pressure reduction device | Hans D. Baumann, Paul J. Schafbuch, Michael M. Anderson, David John Koester | 1999-08-24 |
| 5769122 | Fluid pressure reduction device | Hans D. Baumann, Paul J. Schafbuch, Michael M. Anderson, David John Koester | 1998-06-23 |
| 5400825 | Rotary noise attenuator | Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1995-03-28 |
| 5381817 | Mechanical flexure for motion amplification and transducer with same | George W. Gassman, Warren G. Buchwald, Nate F. Scarpelli | 1995-01-17 |
| 5332004 | Rotary noise attenuator | Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1994-07-26 |
| 5265637 | Mechanical flexure for motion amplification and transducer with same | George W. Gassman, Warren G. Buchwald, Nate F. Scarpelli | 1993-11-30 |
| 5193583 | Rotary noise attenuator | Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber | 1993-03-16 |
| 5180139 | Rotary ball fluid control valve with noise attenuator | Allen C. Fagerlund | 1993-01-19 |