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Charles R. Kuhlman

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Attenuation element for use with valves
    • Patent number 11,187,328
    • Issue date Nov 30, 2021
    • Fisher Controls International LLC
    • Charles R. Kuhlman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Anti-cavitation element for use with valves
    • Patent number 10,724,643
    • Issue date Jul 28, 2020
    • Fisher Controls International LLC
    • Charles R. Kuhlman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Throttling control in a fluid control valve
    • Patent number 5,868,378
    • Issue date Feb 9, 1999
    • Fisher Controls International, Inc.
    • Timothy A. McMahon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid control valve with attenuator and dynamic seal
    • Patent number 5,482,249
    • Issue date Jan 9, 1996
    • Fisher Controls International, Inc.
    • Paul J. Schafbuch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary noise attenuator
    • Patent number 5,400,825
    • Issue date Mar 28, 1995
    • Fisher Controls International, Inc.
    • Douglas P. Gethmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary noise attenuator
    • Patent number 5,332,004
    • Issue date Jul 26, 1994
    • Fisher Controls International, Inc.
    • Douglas P. Gethmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary noise attenuator
    • Patent number 5,193,583
    • Issue date Mar 16, 1993
    • Fisher Controls International, Inc.
    • Douglas P. Gethmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ATTENUATION ELEMENT FOR USE WITH VALVES
    • Publication number 20200224775
    • Publication date Jul 16, 2020
    • FISHER CONTROLS INTERNATIONAL LLC
    • Charles R. Kuhlman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Anti-Cavitation Element for Use with Valves
    • Publication number 20180106383
    • Publication date Apr 19, 2018
    • FISHER CONTROLS INTERNATIONAL LLC
    • Charles R. Kuhlman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE APPARATUS HAVING A DOUBLE-OFFSET SHAFT CONNECTION
    • Publication number 20120217426
    • Publication date Aug 30, 2012
    • Andrew James Berthelsen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...