Robert L. Backes

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Marshalltown, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process control valve and plug
- Patent number 10,371,265
- Issue date Aug 6, 2019
- Fisher Controls International LLC
- Jonathan Wesley Richardson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Process Control Valve and Plug
- Publication number 20190128428
- Publication date May 2, 2019
- FISHER CONTROLS INTERNATIONAL LLC
- Jonathan Wesley Richardson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVES HAVING CERAMIC TRIM WITH PROTECTED SHUT-OFF SURFACES
- Publication number 20110226980
- Publication date Sep 22, 2011
- Jonathan W. Richardson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...