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Failsafe module
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Patent number 11,920,697
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Issue date Mar 5, 2024
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Rotork Controls Limited
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Stuart Lay
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Actuator
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Patent number 11,692,638
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Issue date Jul 4, 2023
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Rotork Controls Limited
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David Adams
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve actuator torque limiter
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Patent number 9,453,562
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Issue date Sep 27, 2016
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Rotork Controls Limited
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Stuart Steven Adam
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Anti back-drive couplings
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Patent number 8,950,565
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Issue date Feb 10, 2015
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Rotork Controls Limited
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David Leslie Adams
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve actuators
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Patent number 8,118,276
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Issue date Feb 21, 2012
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Rotork Controls Limited
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Peter George Sanders
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G05 - CONTROLLING REGULATING
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Actuator control unit
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Patent number D587211
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Issue date Feb 24, 2009
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Rotork Controls Limited
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John Adrian Greenslade
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D13 - Equipment for production, distribution, or transformation of energy
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Actuator component
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Patent number D583397
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Issue date Dec 23, 2008
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Rotork Controls Limited
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Peter George Sanders
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D15 - Machines not elsewhere specified
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Drive mechanisms for valve actuators
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Patent number 7,055,795
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Issue date Jun 6, 2006
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Rotork Controls Limited
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Stuart Masefield Lay
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Thrust sensor assembly
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Patent number 6,289,749
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Issue date Sep 18, 2001
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Rotork Controls Limited
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Peter George Sanders
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B60 - VEHICLES IN GENERAL
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Differential drive linear actuator
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Patent number 5,865,272
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Issue date Feb 2, 1999
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Rotork Controls Limited
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Christopher R. Wiggins
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve actuators
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Patent number 4,584,902
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Issue date Apr 29, 1986
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Rotork Controls Limited
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Jeremy J. Fry
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Actuating mechanism
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Patent number 4,572,932
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Issue date Feb 25, 1986
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Rotork Controls Limited
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Peter G. Sanders
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H01 - BASIC ELECTRIC ELEMENTS
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Valve actuators
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Patent number 4,546,671
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Issue date Oct 15, 1985
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Rotork Controls Limited
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Jeremy J. Fry
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve actuators
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Patent number 4,445,075
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Issue date Apr 24, 1984
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Rotork Controls Limited
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Jeremy J. Fry
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Fail-safe device for actuators
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Patent number 4,350,081
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Issue date Sep 21, 1982
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Rotork Controls Limited
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Jeremy J. Fry
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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77424237 - C
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Serial number 77424237
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Registration number 3735674
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Filing date Mar 17, 2008
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Rotork Controls Limited
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7 - Machines and machine tools