Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gary W. Rosengren0
Ryan T. Klemetson0
Igor Glikin0
Date of Patent
November 14, 2017
0Patent Application Number
148746870
Date Filed
October 5, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Devices and methods for operating a linear actuator, optionally for use in controlling a choke valve as part of a managed pressure drilling operation. Such a device may include a motor, a transmission, a linear actuator and an override mechanism selectively engageable with the transmission to enable operation of the linear actuator independently of the motor.
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