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Class Information
Number: 137/544
Name: Fluid handling > With means for separating solid material from the fluid
Description: Apparatus having means for separating one or more materials from a fluid mixture either by providing a physical barrier to the passage of particles over a given size or by providing a trap where heavier material may be deposited.

Sub-classes under this class:

Class Number Class Name Patents
137/549 Hollow strainer, fluid inlet and outlet perpendicular to each other 189
137/547 Movable strainer 33
137/550 Planar strainer normal to flow path 264
137/545 Plural separating elements 74
137/546 Sediment chamber 60

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701695 Wastewater valve arrangement Apr. 22, 2014
8701704 Manifold for a device for filtration with a set of least one filter cassette Apr. 22, 2014
8678027 Exhaust passage component Mar. 25, 2014
8656947 Self-evacuating vertical downspout adapter Feb. 25, 2014
8640387 Sports pitch rainwater harvesting systems suitable for use in developing countries Feb. 4, 2014
8623655 Composition for plasma and serum separation, and container for blood testing Jan. 7, 2014
8596293 Water appliance having a flow control unit and a filter assembly Dec. 3, 2013
8585909 Self cleaning high pressure abrasive slurry/fluid check valve Nov. 19, 2013
8544491 Compressed air supply system for a commercial vehicle, and method for operating a compressed air supply system Oct. 1, 2013
8545699 Filter assembly for frying oil or other liquids and an associated valve assembly Oct. 1, 2013
8491707 Fluid storage tank configured to remove entrained air from fluid Jul. 23, 2013
8490641 Compressed air supply system for a commercial vehicle and method for operating said compressed air supply system Jul. 23, 2013
8459288 Pressure reducing valve and regulator for gas Jun. 11, 2013
8439070 Piston valve with built in filtration May. 14, 2013
8372278 Liquid fuel strainer assembly Feb. 12, 2013
8360101 Arrangement of a filling and filtering device in a valve body Jan. 29, 2013
8308443 Apparatus and method for a submersible pump system and linear electrofusion Nov. 13, 2012
8267116 Strainer and anti-backflow device for compressors Sep. 18, 2012
8251081 Device for metering fluids Aug. 28, 2012
8186317 Hydraulic fluid passage with particle gettering magnet field of the invention May. 29, 2012
8038878 Integrated filter system for a coolant reservoir and method Oct. 18, 2011
7971607 Electromagnetic hydraulic valve Jul. 5, 2011
7832423 Valve having a body incorporating a filter Nov. 16, 2010
7811450 Swirl chamber with movable non-return valve and air injector for prevention of sedimentation in storm water and waste drains Oct. 12, 2010
7758816 Large area cytocentrifuge sample chamber Jul. 20, 2010
7673597 Hydraulic fluid passage with particle gettering magnet Mar. 9, 2010
7617991 Injector fuel filter with built-in orifice for flow restriction Nov. 17, 2009
7530228 Integrated turbocharger lubricant filter system May. 12, 2009
7410519 Sandwich filter block Aug. 12, 2008
7354511 Hydraulic unit for industrial trucks Apr. 8, 2008
7338606 Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system Mar. 4, 2008
7318448 Swimming pool cleaning apparatus and parts therefor Jan. 15, 2008
7222638 Vortex minimizing fluid gathering and transferring apparatus May. 29, 2007
7172689 Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system Feb. 6, 2007
7137406 Self-cleaning filter Nov. 21, 2006
6978795 Diverter valve Dec. 27, 2005
6941968 Fluid spigot and filter unit Sep. 13, 2005
6938437 Cylindrical seal for refrigerant tube connector Sep. 6, 2005
6915818 Floating arm pick up device Jul. 12, 2005
6899070 Engine with dual oiling and hydraulic valves May. 31, 2005
6892759 Valve having at least one screen May. 17, 2005
6867049 Method for obtaining increased particle concentration for optical examination Mar. 15, 2005
6848626 End of valve motion detection for a spool control valve Feb. 1, 2005
6755048 Solenoid valve Jun. 29, 2004
6739354 Reservoir unit May. 25, 2004
6705343 Pressure regulator with internal filter Mar. 16, 2004
6675828 Nextrol Jan. 13, 2004
6644345 Flow control valve Nov. 11, 2003
6615866 Hydraulic power assembly having a removable top Sep. 9, 2003
6581634 Solenoid control valve with particle gettering magnet Jun. 24, 2003

1 2 3

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