Sarah Lynn Dvorak

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Ames, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid flow control valve with high temperature bi-directional shutoff
- Patent number 7,484,710
- Issue date Feb 3, 2009
- Fisher Controls International LLC
- David John Koester
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid flow control valve with bi-directional shutoff
- Patent number 6,974,121
- Issue date Dec 13, 2005
- Fisher Controls International, Inc.
- David John Koester
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Fluid flow control valve with high temperature bi-directional shutoff
- Publication number 20050211942
- Publication date Sep 29, 2005
- FISHER CONTROLS INTERNATIONAL LLC
- David J. Koester
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fluid flow control valve with bi-directional shutoff
- Publication number 20030178595
- Publication date Sep 25, 2003
- David John Koester
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...