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Patent applications and USPTO patent grants for Westwater; David J..The latest application filed is for "choked flow valve with clamped seat ring".
Patent | Date |
---|---|
Choked flow valve with clamped seat ring Grant 9,915,353 - Westwater March 13, 2 | 2018-03-13 |
Choked Flow Valve With Clamped Seat Ring App 20160116072 - Westwater; David J. | 2016-04-28 |
Methods and apparatus to align a seat ring in a valve Grant 8,991,786 - Davies, Jr. , et al. March 31, 2 | 2015-03-31 |
Fluid pressure control device having a throttling element seal Grant 8,403,003 - Micheel , et al. March 26, 2 | 2013-03-26 |
Methods And Apparatus To Align A Seat Ring In A Valve App 20110204275 - Davies, JR.; Lonnie Oscar ;   et al. | 2011-08-25 |
Methods and apparatus to align a seat ring in a valve Grant 7,954,788 - Davies, Jr. , et al. June 7, 2 | 2011-06-07 |
Fluid Pressure Control Device Having a Throttling Element Seal App 20090057595 - Micheel; Raymond W. ;   et al. | 2009-03-05 |
Methods And Apparatus To Align A Seat Ring In A Valve App 20090020720 - Davies, JR.; Lonnie Oscar ;   et al. | 2009-01-22 |
Fluid flow control device having a throttling element seal Grant 7,448,409 - Micheel , et al. November 11, 2 | 2008-11-11 |
Fluid flow control device having a throttling element seal App 20060207666 - Micheel; Raymond W. ;   et al. | 2006-09-21 |
Flow rate stabilizer for throttling valves Grant 5,765,814 - Dvorak , et al. June 16, 1 | 1998-06-16 |
Fluid control valve with fastener for ceramic valve plug Grant 5,707,041 - Bovee , et al. January 13, 1 | 1998-01-13 |
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