Gethmann; Douglas Paul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gethmann; Douglas Paul.The latest application filed is for "apparatus to connect a valve stem to an actuator".
- Gethmann; Douglas Paul - Gladbrook IA
| Patent | Date |
|---|---|
| Apparatus To Connect A Valve Stem To An Actuator App 20180320721 - McCarty; Michael Wildie ; et al. | 2018-11-08 |
| Manual override apparatus for linear actuators Grant 8,070,127 - Gethmann December 6, 2 | 2011-12-06 |
| Manual Override Apparatus For Linear Actuators App 20100193715 - Gethmann; Douglas Paul | 2010-08-05 |
| Valve flow adjustment device Grant 7,624,963 - Gethmann December 1, 2 | 2009-12-01 |
| Valve Flow Adjustment Device App 20080197310 - Gethmann; Douglas Paul | 2008-08-21 |
| Valve Flow Adjustment Device App 20080197307 - Gethmann; Douglas Paul | 2008-08-21 |
| Pivot and bearing assembly for a manual valve operator Grant 7,410,144 - Gethmann , et al. August 12, 2 | 2008-08-12 |
| Stem arrangement for pivot actuated sleeve valve Grant 7,178,785 - McCarty , et al. February 20, 2 | 2007-02-20 |
| Multi-pitch threaded coupling App 20070018132 - Gethmann; Douglas Paul ; et al. | 2007-01-25 |
| Pivot actuated sleeve valve App 20040222400 - McCarty, Michael Wildie ; et al. | 2004-11-11 |
| Fluid pressure reduction device with integral guides Grant 6,382,253 - McCarty , et al. May 7, 2 | 2002-05-07 |
| Tortuous path fluid pressure reduction device Grant 6,095,196 - McCarty , et al. August 1, 2 | 2000-08-01 |
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