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Class Information
Number: 702/114
Name: Data processing: measuring, calibrating, or testing > Testing system > Of mechanical system > Pneumatic or hydraulic system
Description: Subject matter wherein the mechanical process or structure is in the science that deals with mechanical properties of gas or practical application of liquid in motion.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8706306 System and method of managing line pressure in a vehicle during a fault pending condition Apr. 22, 2014
8573241 Systems and processes for field-initiated fluid regulation testing Nov. 5, 2013
8540211 Automated valve testing apparatus Sep. 24, 2013
8437975 Subsea accumulator monitoring system May. 7, 2013
8423313 Method and apparatus for testing valve control system Apr. 16, 2013
8401811 Flow testing system for fluid networks Mar. 19, 2013
8354029 Controls of a filtration system Jan. 15, 2013
8102139 Indicating instrument for vehicle Jan. 24, 2012
8019569 Method for checking a valve Sep. 13, 2011
7983869 Flow testing system for fluid networks Jul. 19, 2011
7962295 Leakage detection and fluid level prognostics for aircraft hydraulic systems Jun. 14, 2011
7949478 Hose assembly analysis apparatus and methods May. 24, 2011
7945414 Method for detecting abnormality in fluid supply line using fluid control apparatus with pressure sensor May. 17, 2011
7941290 Method for error containment and diagnosis in a fluid power system May. 10, 2011
7917324 Flow testing system for fluid networks Mar. 29, 2011
7917325 Method for error containment and diagnosis in a fluid power system Mar. 29, 2011
7912563 Safety control system Mar. 22, 2011
7871237 Method and apparatus for monitoring particles in a gas turbine working fluid Jan. 18, 2011
7869889 Distributed and adaptive smart logic with multi-communication apparatus for reliable safety system shutdown Jan. 11, 2011
7862003 Position controller Jan. 4, 2011
7797122 Electrohydraulic valve control circuit with velocity fault detection and rectification Sep. 14, 2010
7681407 Method and a device for detecting flash gas Mar. 23, 2010
7634378 Detection of insufficient sample during aspiration with a pipette Dec. 15, 2009
7620522 Diagnostic device for at least one pneumatic valve actuator arrangement Nov. 17, 2009
7613584 Methods, systems and computer program products for automatically detecting leaks in a hydrant fuel piping system Nov. 3, 2009
7464721 Process equipment validation Dec. 16, 2008
7463991 Mass flow verifier with flow restrictor Dec. 9, 2008
7457716 Control module arrangement and compressed air maintenance unit Nov. 25, 2008
7444254 Valve timing control apparatus of internal combustion engine Oct. 28, 2008
7415376 Valve tester control enhancements Aug. 19, 2008
7313497 Valve monitoring method and arrangement Dec. 25, 2007
7266467 Method to calibrate hydraulic flow valves in situ Sep. 4, 2007
7257522 Simulator for automatic vehicle transmission controllers Aug. 14, 2007
7254508 Site loops Aug. 7, 2007
7254518 Pressure transmitter with diagnostics Aug. 7, 2007
7203615 Switched flight test installation with a "packet" type data format Apr. 10, 2007
7191084 Method and apparatus for gas turbine engine ignition systems Mar. 13, 2007
7174263 External volume insensitive flow verification Feb. 6, 2007
7133796 Smart resolution valve pressure control Nov. 7, 2006
7130769 Method of dynamically designing a preventative maintenance schedule based upon sensor data, and system for accomplishing same Oct. 31, 2006
7124039 Device comprising detecting means for hydraulic or chemical-physical properties of a fluid Oct. 17, 2006
7110926 Universal spring mechanism for automobile suspension system design Sep. 19, 2006
7092834 Method for determination and representation of adjustment steps for an apparatus requiring adjustment Aug. 15, 2006
7089134 Method and apparatus for analyzing gas flow in a gas panel Aug. 8, 2006
7054777 Test device and method for testing a rail car brake system May. 30, 2006
6954683 Method and apparatus for performing diagnostics in a control loop of a control valve Oct. 11, 2005
6944576 Factory automation control method Sep. 13, 2005
6920409 Apparatus for testing operation of an emergency valve Jul. 19, 2005
6901341 Smart resolution valve pressure control May. 31, 2005
6862547 Control device test system with a remote switch activation Mar. 1, 2005

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