in which the output signal represents a continuous function of the deviation from the desired value

Patents Grantslast 30 patents

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    Explosion resistant electro-pneumatic controller

    • Patent number 10,385,879
    • Issue date Aug 20, 2019
    • Tescom Corporation
    • Jacob T. R. Renollett
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Valve position controller

    • Patent number 5,654,885
    • Issue date Aug 5, 1997
    • Virginia Valve Company Corporation
    • John Mayhew
    • G05 - CONTROLLING REGULATING
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    Device for converting an electric current signal into a mechanical...

    • Patent number 5,309,935
    • Issue date May 10, 1994
    • Sensycon Gesellschaft fur Industrielle Sensorsysteme und Processleittechnik mbH
    • Heinrich Riensche
    • G05 - CONTROLLING REGULATING
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    Crossed-bellows controller

    • Patent number 4,559,866
    • Issue date Dec 24, 1985
    • Eckardt AG
    • Paul Brenner
    • G05 - CONTROLLING REGULATING
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    Pneumatic controller

    • Patent number 4,510,961
    • Issue date Apr 16, 1985
    • Honeywell GmbH
    • Vladimir Multrus
    • G05 - CONTROLLING REGULATING
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    Positioner having user-adjustable dynamic response

    • Patent number 4,509,403
    • Issue date Apr 9, 1985
    • Fisher Controls International, Inc.
    • George W. Gassman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Pneumatic controller

    • Patent number 4,453,559
    • Issue date Jun 12, 1984
    • Fisher Controls Company, Inc.
    • Gerald F. Varnum
    • G05 - CONTROLLING REGULATING
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    Controller with adjustable proportionality range

    • Patent number 4,449,546
    • Issue date May 22, 1984
    • Eckardt AG
    • Horst Bader
    • G05 - CONTROLLING REGULATING
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    Circuit for pneumatic controllers

    • Patent number 4,428,391
    • Issue date Jan 31, 1984
    • Eckardt AG
    • Horst Bader
    • G05 - CONTROLLING REGULATING
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    Pneumatic controller

    • Patent number 4,231,385
    • Issue date Nov 4, 1980
    • Sunvic Regler GmbH
    • Gunther Roth
    • G05 - CONTROLLING REGULATING
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    Pneumatic controller

    • Patent number 4,153,068
    • Issue date May 8, 1979
    • Hokushin Electric Works, Ltd.
    • Takeshi Yoshida
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    System having reset action

    • Patent number 4,094,463
    • Issue date Jun 13, 1978
    • Honeywell Inc.
    • Sylvester Milewski
    • G05 - CONTROLLING REGULATING
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    Control point adjustment mechanism

    • Patent number 4,090,467
    • Issue date May 23, 1978
    • Honeywell Inc.
    • Frederick D. Joesting
    • G05 - CONTROLLING REGULATING
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    3918066

    • Patent number 3,918,066
    • Issue date Nov 4, 1975
    • G05 - CONTROLLING REGULATING
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    3908685

    • Patent number 3,908,685
    • Issue date Sep 30, 1975
    • G05 - CONTROLLING REGULATING
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    3738609

    • Patent number 3,738,609
    • Issue date Jun 12, 1973
    • G05 - CONTROLLING REGULATING
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    3609971

    • Patent number 3,609,971
    • Issue date Oct 5, 1971
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    3602241

    • Patent number 3,602,241
    • Issue date Aug 31, 1971
    • F24 - HEATING RANGES VENTILATING
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    3575191

    • Patent number 3,575,191
    • Issue date Apr 20, 1971
    • G05 - CONTROLLING REGULATING
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    3543584

    • Patent number 3,543,584
    • Issue date Dec 1, 1970
    • G05 - CONTROLLING REGULATING
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    3520318

    • Patent number 3,520,318
    • Issue date Jul 14, 1970
    • G05 - CONTROLLING REGULATING
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    3433239

    • Patent number 3,433,239
    • Issue date Mar 18, 1969
    • G05 - CONTROLLING REGULATING
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    3393694

    • Patent number 3,393,694
    • Issue date Jul 23, 1968
    • G05 - CONTROLLING REGULATING
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    3379205

    • Patent number 3,379,205
    • Issue date Apr 23, 1968
    • G05 - CONTROLLING REGULATING
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    3375711

    • Patent number 3,375,711
    • Issue date Apr 2, 1968
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    3354895

    • Patent number 3,354,895
    • Issue date Nov 28, 1967
    • G05 - CONTROLLING REGULATING
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    3292852

    • Patent number 3,292,852
    • Issue date Dec 20, 1966
    • G05 - CONTROLLING REGULATING
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    3266379

    • Patent number 3,266,379
    • Issue date Aug 16, 1966
    • G05 - CONTROLLING REGULATING
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    3227631

    • Patent number 3,227,631
    • Issue date Jan 4, 1966
    • G05 - CONTROLLING REGULATING
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    3216331

    • Patent number 3,216,331
    • Issue date Nov 9, 1965
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents