Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/484.2
Name: Fluid handling > Line condition change responsive valves > Line flow effect assisted
Description: Devices in which the valve controlling forces are altered by a force resulting from a fluid pressure derived for variations in the flow of fluid in the line acting on a reactor surface other than the valve head.










Sub-classes under this class:

Class Number Class Name Patents
137/484.4 Reactor surface normal to flow 23
137/484.6 Reactor surface separated from flow by apertured partition 11


Patents under this class:

Patent Number Title Of Patent Date Issued
8453670 Poppet valve with sloped purge holes and method for reducing a pressure force therein Jun. 4, 2013
8302594 Air control regulator for combustion chamber Nov. 6, 2012
8079358 Air control regulator for combustion chamber Dec. 20, 2011
7338606 Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system Mar. 4, 2008
7172689 Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system Feb. 6, 2007
6924004 Apparatus and method for synthesizing films and coatings by focused particle beam deposition Aug. 2, 2005
6748932 Fuel regulator for natural gas fired co-generation unit Jun. 15, 2004
6551504 Valve for a fluid treatment system Apr. 22, 2003
6514232 Vacuum adjustment valve, particularly for thoracic drainage devices Feb. 4, 2003
6328056 Proportional bypass valve with dual variable orifice Dec. 11, 2001
6318405 Fuel pressure regulator with fluidic assist Nov. 20, 2001
6179020 Fluid level controlled automatic shutoff valve Jan. 30, 2001
5988911 Soap and water dispensing system Nov. 23, 1999
5970977 Demand regulator having adjustable air flow Oct. 26, 1999
5735309 Low pressure gaseous fuel pressure regulator for turbocharged gaseous fuel engines Apr. 7, 1998
5433237 Dedrooped bypass valve Jul. 18, 1995
5003780 Fluidic valve mechanism Apr. 2, 1991
4862912 Valve arrangement Sep. 5, 1989
4790347 Pressure-relief valve devices Dec. 13, 1988
4693269 Check valve assembly for pipeline system Sep. 15, 1987
4617959 Check valve assembly for pipeline system Oct. 21, 1986
4616672 Pressure relief and drain valve Oct. 14, 1986
4458713 Bypass-type differential pressure regulator Jul. 10, 1984
4452272 Check valve Jun. 5, 1984
4422470 Flow limiting valve Dec. 27, 1983
4350179 Valve assembly with relief groove Sep. 21, 1982
4333495 Check valve assembly Jun. 8, 1982
4289126 Pressure regulator for breathing apparatus Sep. 15, 1981
4276897 Backflow prevention apparatus Jul. 7, 1981
4244395 Check valve assembly Jan. 13, 1981
4244392 Backflow prevention apparatus Jan. 13, 1981
4084612 Flow compensating pressure regulator Apr. 18, 1978
4079749 Safety valve of rubber or the like suitable to be vulcanized on inflatable articles Mar. 21, 1978
3989060 Gas pressure regulator Nov. 2, 1976











 
 
  Recently Added Patents
Method for measuring and improving organization effectiveness
Cytokine biomarkers as predictive biomarkers of clinical response for Glatiramer acetate
Tiger paw stationary tab
System and method for efficient association of a power outlet and device
Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus
Method and structure of forming backside through silicon via connections
Integrated circuit packaging system with interconnects and method of manufacture thereof
  Randomly Featured Patents
Semiconductor memory device with simple refresh control
Wing sail and method of use
Pistol with loaded chamber indicator
Method and system for maintaining a configuration state
Toaster oven
Interactive system for a closed cable network
Transmission system
Methods for modulating antigen-specific immune responses
Wireless data communication system having power saving function
Vehicle with integral cover