Assignee
ROTORK CONTROLS
US19 patents
Top patents by PatentIndex Score
US6289749B1Sep 18, 2001
Thrust sensor assembly
ROTORK CONTROLS66 citations91
US4445075AApr 24, 1984
Valve actuators
ROTORK CONTROLS45 citations90
US7055795B2Jun 6, 2006
Drive mechanisms for valve actuators
ROTORK CONTROLS38 citations88
US5865272AFeb 2, 1999
Differential drive linear actuator
ROTORK CONTROLS87 citations88
USD587211SFeb 24, 2009
Actuator control unit
ROTORK CONTROLS31 citations81
US4584902AApr 29, 1986
Valve actuators
ROTORK CONTROLS21 citations80
US4546671AOct 15, 1985
Valve actuators
ROTORK CONTROLS25 citations80
US11692638B2Jul 4, 2023
Actuator
ROTORK CONTROLS3 citations73
US4370902AFeb 1, 1983
Drive mechanisms, more particularly for valve actuators
ROTORK CONTROLS14 citations72
USD533845SDec 19, 2006
Remote control unit for controlling a valve actuator
ROTORK CONTROLS9 citations69
US5313151AMay 17, 1994
Induction type electric motor drive actuator system
ROTORK CONTROLS16 citations66
US11984752B2May 14, 2024
Actuating mechanism with integral battery
ROTORK CONTROLS2 citations65
US4350081ASep 21, 1982
Fail-safe device for actuators
ROTORK CONTROLS8 citations64
US12359741B2Jul 15, 2025
Actuator
ROTORK CONTROLS0 citations63
USD583397SDec 23, 2008
Actuator component
ROTORK CONTROLS3 citations58
US4572932AFeb 25, 1986
Actuating mechanism
ROTORK CONTROLS4 citations57
US11626744B2Apr 11, 2023
Actuating mechanism with integral battery
ROTORK CONTROLS0 citations55
US11742676B2Aug 29, 2023
Actuating mechanism with integral battery
ROTORK CONTROLS0 citations44
US11920697B2Mar 5, 2024
Failsafe module
ROTORK CONTROLS0 citations36