F15B 5/00

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Showing 1 to 20 of 61 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9989159 Vent assembly and method for a digital valve positionerApr 30, 15Jun 05, 18Fisher Controls International LLC
9971360 PositionerMar 09, 15May 15, 18Azbil Corporation
9933789 PositionerMar 17, 16Apr 03, 18Azbil Corporation
9880564 Position controller for a pneumatic field deviceSep 02, 15Jan 30, 18SAMSON AKTIENGESELLSCHAFT
9822804 Double nozzle type smart positionerJan 13, 16Nov 21, 17YOUNG TECH CO., LTD.
9752599 Methods and apparatus to partial stroke test valves using pressure controlMay 07, 14Sep 05, 17FISHER CONTROLS INTERNATIONAL LLC
9726299 Integrated transducerMar 17, 15Aug 08, 17FISHER CONTROLS INTERNATIONAL LLC
9574962 Hydraulic attachmentMar 19, 13Feb 21, 17CONSTRUCTION TOOLS GMBH
9563208 PositionerMar 09, 15Feb 07, 17AZBIL CORPORATION
9506482 Electropneumatic control device and electropneumatic subassemblyOct 25, 13Nov 29, 16SAMSON AKTIENGESELLSCHAFT
9500293 Pneumatic drive system and method for operating the pneumatic drive systemOct 28, 13Nov 22, 16SAMSON AKTIENGESELLSCHAFT
9429173 PositionerOct 27, 14Aug 30, 16AZBIL CORPORATION
9404515 Valve positioner having bypass component and control value comprised thereofJul 09, 13Aug 02, 16DRESSER, INC.
9360026 PositionerOct 12, 12Jun 07, 16AZBIL CORPORATION
9303781 High gain servo valveFeb 06, 13Apr 05, 16HAMILTON SUNDSTRAND CORPORATION
9261867 Parameter acquiring device and method, for defining data pairs for valve control in an opening and closing directionMar 11, 13Feb 16, 16AZBIL CORPORATION
9250632 Valve positioning system with bleed preventionDec 27, 12Feb 02, 16STI, S.R.L.
9145903 Shape memory alloy powered hydraulic accumulator having actuation platesJul 22, 10Sep 29, 15CAMERON INTERNATIONAL CORPORATION, UNIVERSITY OF HOUSTON SYSTEM,
9109718 Pilot relayMar 28, 12Aug 18, 15AZBIL CORPORATION
9006915 Mechanical energy storage system and generating method using the sameAug 06, 12Apr 14, 15Not available

Showing 1 to 20 of 61 results