David J. Westwater

Person

Albion, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Choked flow valve with clamped seat ring
- Patent number 9,915,353
- Issue date Mar 13, 2018
- Fisher Controls International LLC
- David J. Westwater
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid pressure control device having a throttling element seal
- Patent number 9,046,184
- Issue date Jun 2, 2015
- Fisher Controls International LLC
- Raymond W. Micheel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Methods and apparatus to align a seat ring in a valve
- Patent number 8,991,786
- Issue date Mar 31, 2015
- Fisher Controls International LLC
- Lonnie Oscar Davies
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid pressure control device having a throttling element seal
- Patent number 8,403,003
- Issue date Mar 26, 2013
- Fisher Controls International LLC
- Raymond W. Micheel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seat apparatus for use with fluid valves
- Patent number 8,066,258
- Issue date Nov 29, 2011
- Fisher Controls International, LLC
- Aaron Andrew Perrault
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Methods and apparatus to align a seat ring in a valve
- Patent number 7,954,788
- Issue date Jun 7, 2011
- Fisher Controls International, LLC
- Lonnie Oscar Davies, Jr.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid flow control device having a throttling element seal
- Patent number 7,448,409
- Issue date Nov 11, 2008
- Fisher Controls International LLC
- Raymond W. Micheel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Multi-vane flow rate stabilizer for throttling valves
- Patent number 5,931,445
- Issue date Aug 3, 1999
- Fisher Controls International, Inc.
- Allen D. Dvorak
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flow rate stabilizer for throttling valves
- Patent number 5,765,814
- Issue date Jun 16, 1998
- Fisher Controls International, Inc.
- Allen D. Dvorak
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid control valve with fastener for ceramic valve plug
- Patent number 5,707,041
- Issue date Jan 13, 1998
- Fisher Controls International, Inc.
- Loren Lee Bovee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Choked Flow Valve With Clamped Seat Ring
- Publication number 20160116072
- Publication date Apr 28, 2016
- FISHER CONTROLS INTERNATIONAL LLC
- David J. Westwater
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FLUID PRESSURE CONTROL DEVICE HAVING A THROTTLING ELEMENT SEAL
- Publication number 20130221259
- Publication date Aug 29, 2013
- FISHER CONTROLS INTERNATIONAL LLC
- Raymond W. Micheel
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE
- Publication number 20110204275
- Publication date Aug 25, 2011
- Lonnie Oscar Davies, JR.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEAT APPARATUS FOR USE WITH FLUID VALVES
- Publication number 20100301253
- Publication date Dec 2, 2010
- Aaron Andrew Perrault
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
APPARATUS AND METHODS TO ALIGN A CLOSURE MEMBER AND A VALVE STEM
- Publication number 20090146096
- Publication date Jun 11, 2009
- Lonnie Oscar Davies, JR.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fluid Pressure Control Device Having a Throttling Element Seal
- Publication number 20090057595
- Publication date Mar 5, 2009
- FISHER CONTROLS INTERNATIONAL LLC
- Raymond W. Micheel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Apparatus to increase fluid flow in a valve
- Publication number 20090026395
- Publication date Jan 29, 2009
- Aaron Andrew Perrault
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE
- Publication number 20090020720
- Publication date Jan 22, 2009
- Lonnie Oscar Davies, JR.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fluid flow control device having a throttling element seal
- Publication number 20060207666
- Publication date Sep 21, 2006
- FISHER CONTROLS INTERNATIONAL LLC
- Raymond W. Micheel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fluid control valve with low pressure drop ratio factor
- Publication number 20030062495
- Publication date Apr 3, 2003
- Ted A. Long
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

David J. Westwater

Person

Patents Grantslast 30 patents

Choked flow valve with clamped seat ring

Fluid pressure control device having a throttling element seal

Methods and apparatus to align a seat ring in a valve

Fluid pressure control device having a throttling element seal

Valve seat apparatus for use with fluid valves

Methods and apparatus to align a seat ring in a valve

Fluid flow control device having a throttling element seal

Multi-vane flow rate stabilizer for throttling valves

Flow rate stabilizer for throttling valves

Fluid control valve with fastener for ceramic valve plug

Patents Applicationslast 30 patents

Choked Flow Valve With Clamped Seat Ring

FLUID PRESSURE CONTROL DEVICE HAVING A THROTTLING ELEMENT SEAL

METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE

VALVE SEAT APPARATUS FOR USE WITH FLUID VALVES

APPARATUS AND METHODS TO ALIGN A CLOSURE MEMBER AND A VALVE STEM

Fluid Pressure Control Device Having a Throttling Element Seal

Apparatus to increase fluid flow in a valve

METHODS AND APPARATUS TO ALIGN A SEAT RING IN A VALVE

Fluid flow control device having a throttling element seal

Fluid control valve with low pressure drop ratio factor