Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/554
Name: Fluid handling > With indicator, register, recorder, alarm or inspection means > Position or extent of motion indicator > Electrical
Description: Apparatus in which electrical signal system means are used to sense and/or indicate the position or extent of motion in valves.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8701603 Control valve unit for a liquid circuit Apr. 22, 2014
8701703 Method and apparatus for controlling gas flow via a gas shut-off valve assembly Apr. 22, 2014
8688352 Method for automatically controlling an internal combustion engine Apr. 1, 2014
8617142 Implantable adjustable valve Dec. 31, 2013
8607645 Time delay adjustment mechanism for sprinkler system water flow detector Dec. 17, 2013
8596295 Mechanical position indicator Dec. 3, 2013
8590562 Fluid flow detection device Nov. 26, 2013
8555919 Ball valve with integrated cam operated internal microswitch Oct. 15, 2013
8556230 Fire fighting fluid delivery device with sensor Oct. 15, 2013
8555918 Flow rate control valve and spool position detection device for the flow rate control valve Oct. 15, 2013
8539997 Filling head for filling in a fluid into a filler neck of a tank Sep. 24, 2013
8517333 Fluid actuated valve with hall position sensor Aug. 27, 2013
8521334 Method for diagnosing the state of wear of a valve arrangement for controlling the flow of a process medium Aug. 27, 2013
8518023 Tools and methods for programming an implantable valve Aug. 27, 2013
8511338 Water flow detection device Aug. 20, 2013
8505573 Apparatus and method for controlling fluid flow Aug. 13, 2013
8485497 Hydraulic valve device with associated spool displacement transducer Jul. 16, 2013
8485498 Valve control apparatus Jul. 16, 2013
8474789 Valve control apparatus Jul. 2, 2013
8453674 Valve fault indication and control Jun. 4, 2013
8453527 Position-sensing device and method Jun. 4, 2013
8430123 Position regulator Apr. 30, 2013
8430346 Compressed air throttle device and a powder spray coating device Apr. 30, 2013
8424838 Power generation for valve actuators Apr. 23, 2013
8424563 Compact valve position indicator Apr. 23, 2013
8413956 Double-disc gate valve Apr. 9, 2013
8397744 Distribution valve monitor and distribution valve incorporating same Mar. 19, 2013
8398617 Tools and methods for programming an implantable valve Mar. 19, 2013
8387654 Automatic pressure reducing valve Mar. 5, 2013
8381765 Valve Feb. 26, 2013
8375989 Method of operating a control valve assembly for a hydraulic system Feb. 19, 2013
8359984 Portable automated vent cover Jan. 29, 2013
8353312 Piezoelectric valve Jan. 15, 2013
8342478 Valve actuator assembly and methods of using the same Jan. 1, 2013
8327878 Chamber isolation valve RF grounding Dec. 11, 2012
8322365 Implantable adjustable valve Dec. 4, 2012
8317156 Metering valve arrangement Nov. 27, 2012
8307845 Flow rate controller Nov. 13, 2012
8302624 Linear valve position measuring apparatus Nov. 6, 2012
8272393 Switchover valve Sep. 25, 2012
8267374 Multi-turn hydraulic actuator Sep. 18, 2012
8261773 Multi-position micro-fluidic valve system with removable encoder assembly Sep. 11, 2012
8262060 Actuating device for an on/off valve Sep. 11, 2012
8251085 Leak prevention method for gas lines Aug. 28, 2012
8240636 Valve system Aug. 14, 2012
8237430 Displacement sensor for a rod Aug. 7, 2012
8230879 Actuating drive with a position transmitter Jul. 31, 2012
8210206 Dual redundant servovalve Jul. 3, 2012
8201575 Air pressure regulator with flow sensor Jun. 19, 2012
8192172 Flow sensing shutoff valve Jun. 5, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
  Recently Added Patents
Systems and methods for processing supplemental information associated with media programming
Piperazinedione compounds
Methods and apparatus for clock signal synchronization in a configuration of series connected semiconductor devices
Packet communication system and packet communication method, and node and user device
Antenna device
Motor vehicle, toy and/or replica
Closed-loop adaptive adjustment of pacing therapy based on cardiogenic impedance signals detected by an implantable medical device
  Randomly Featured Patents
Measurement field group for detecting quality data in multicolor printing of single editions
Treatment of stimulating fluid
Contact structure for integrated circuits
Process for preparation of stable polycarbodiimide dispersions in water, which are free of organic solvents and may be used as crosslinking agent
Planar card made of a thermoplastic material having visually recognizable safety markings and method of manufacturing such card
Four-valve cylinder head of desmodromic operation, for internal combustion engines
Laminated magnetic materials
Process for the production of ammonia using aligned catalyst particles
Combination stimulating and exothermic heating device and method of use thereof
Method for anti-cholinergic blockage of withdrawal symptoms in smoking cessation