Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/553
Name: Fluid handling > With indicator, register, recorder, alarm or inspection means > Position or extent of motion indicator
Description: Apparatus comprising an indicator which gives information as to the position or range of motion of a movable or adjustable part of the apparatus, e.g., a valve or adjustable wall.










Sub-classes under this class:

Class Number Class Name Patents
137/554 Electrical 621
137/556 Indicator element rigidly carried by the movable element whose position is indicated 252
137/555 Selection from plural branches 17


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8573251 Flow rate control valve Nov. 5, 2013
8539977 Slide valve apparatus for automatic application of surface pressure and surface pressure application method thereof Sep. 24, 2013
8402996 Adjustable choke for oil and gas industry Mar. 26, 2013
8387657 Methods and apparatus to determine a position of a valve Mar. 5, 2013
8381583 Method for determining a functioning of a gas bleed valve Feb. 26, 2013
8327864 Flow controller Dec. 11, 2012
8245726 Citrus juice apparatus with undesired material release detector and related methods Aug. 21, 2012
8237430 Displacement sensor for a rod Aug. 7, 2012
8225812 Slam shut safety device Jul. 24, 2012
8210204 Socket for fluid-transfer coupling device Jul. 3, 2012
8191574 Visual indicator for air tank valve handle Jun. 5, 2012
7793678 Method and apparatus for converter valve Sep. 14, 2010
7624749 Flow regulator for medical liquids and method for its fabrication Dec. 1, 2009
7609056 Apparatus to determine the position of an actuator Oct. 27, 2009
7549440 Valve position indicator for buried valves Jun. 23, 2009
7546846 Pressure regulator Jun. 16, 2009
7533693 Side-mounted position indicator for flapper check valve May. 19, 2009
7472884 Control unit for electromagnetically driven valve Jan. 6, 2009
7409965 Direct acting hydraulic trip block Aug. 12, 2008
7392817 Water conservation safety shut-off valve Jul. 1, 2008
7377291 Multiport rotary valve May. 27, 2008
7350535 Valve Apr. 1, 2008
7314021 Operation indicator Jan. 1, 2008
7273067 Reduced profile electromechanical valve actuator Sep. 25, 2007
7264018 Pressure regulator Sep. 4, 2007
7213606 Valve device, a unit for unloading loose materials from a dispenser device to a user unit comprising the valve device and a method for unloading loose material from a dispenser device to a use May. 8, 2007
7207351 Switching valve with position detecting mechanism Apr. 24, 2007
7191800 Fluidic control system Mar. 20, 2007
7191797 Rotary distribution apparatus Mar. 20, 2007
7128093 MEMS fluid ejection device configured for detecting a fault condition Oct. 31, 2006
7121525 Method of determining a clearance Oct. 17, 2006
7114511 System and method for a mass flow controller Oct. 3, 2006
7114520 Pressure regulator Oct. 3, 2006
7066202 Indicator-equipped flow regulating valve Jun. 27, 2006
7066441 Flow restrictor Jun. 27, 2006
7055539 Electromagnetic valve control device and method Jun. 6, 2006
7036789 Distribution valve comprising a flowmeter for installing in an inlet May. 2, 2006
7025088 Providing an indication of the position of a valve member Apr. 11, 2006
6981915 Airflow volume control system Jan. 3, 2006
6959837 Dual piston/poppet flow switch Nov. 1, 2005
6942785 System for automated treatment of fluids having successive and interchangeable process modules Sep. 13, 2005
6938642 Pressure regulator Sep. 6, 2005
6935365 Rotary slide Aug. 30, 2005
6929235 Apparatus for flow rate control Aug. 16, 2005
6929236 Apparatus for flow rate control Aug. 16, 2005
6920896 Visual position indicator for valves with linear moving valve stem Jul. 26, 2005
6918407 Pneumatic reset relief valve Jul. 19, 2005
6899129 Shutoff valve and related methods May. 31, 2005
6892752 Pipeline isolating device May. 17, 2005
6874756 Snap assembly actuator housing and valve mounting bracket Apr. 5, 2005

1 2 3










 
 
  Recently Added Patents
Advertising system and method
Ignition device in particular for an internal combustion engine, and method for manufacturing same
Systems and methods for controlling phasing of advancing substrates in absorbent article converting lines
MOS device for eliminating floating body effects and self-heating effects
Methods, systems, and computer-readable media for providing an event alert
Qualification screening system and screening method thereof, qualification screening device and device under qualification screening
Transmission apparatus, receiving apparatus, method, and storage medium
  Randomly Featured Patents
System and method for providing public/private mobile communication service
Clock, data and time recovery using bit-resolved timing registers
Cephem compound
Magnetic therapeutic device and method of using the same
Virtualization with merged guest page table and shadow page directory
Instructional method involving talking material safety data sheet
Headphone
Fibrous crystalline potassium titanate and processes for preparing fibrous potassium titanates
Thumbtack tacker
Apparatus and method for repairing a core spray line elbow weld joint