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Class Information
Number: 210/133
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Fluid pressure responsive by-pass > In inlet and outlet closure header
Description: Apparatus in which a separator casing is closed by a unitary attached header which header includes at least an inlet and an outlet and the pressure response bypass means therebetween.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8562822 Dynamic weight balancing of flow in kidney failure treatment systems Oct. 22, 2013
8562823 Dynamic weight balancing of flow in kidney failure treatment systems Oct. 22, 2013
8496809 Dynamic weight balancing of flow in kidney failure treatment systems Jul. 30, 2013
8302325 Methods and compositions for drying coal Nov. 6, 2012
8298409 Filter element especially for filtering liquids or gases Oct. 30, 2012
8177967 Spin-on filter with performance enhancement features May. 15, 2012
7938958 De-aeration system May. 10, 2011
7883621 Oil bypass device, and engine fitted with such a device Feb. 8, 2011
6911141 Low waste liquid filter Jun. 28, 2005
6908545 Hydraulic filter assembly with priority valve Jun. 21, 2005
6835305 Liquid filter, especially an oil filter Dec. 28, 2004
6733666 Filtering device, especially a suction return filter May. 11, 2004
6264833 Coolant filter assembly for a vehicle Jul. 24, 2001
6224754 Filter head and liquid filter assembly with valve arrangements May. 1, 2001
6221242 Renewable filter with a bypass valve Apr. 24, 2001
6177003 Filter with safety element for filtering engine oil Jan. 23, 2001
6056881 Bilge water cleaning device May. 2, 2000
6024869 Spin-on filter assembly with valve arrangements Feb. 15, 2000
5915926 Lift pump for filter module Jun. 29, 1999
5753111 Photographic processor and improved filter assembly May. 19, 1998
5611923 Filter assembly having quick connect/disconnect sealing valve means Mar. 18, 1997
5558762 Portable water filter and valve assembly Sep. 24, 1996
5535588 Filter arrangement for single-acting telescopic hydraulic cylinders Jul. 16, 1996
5501791 Pressure isolation valve and bypass valve; and filter head assembly incorporating same Mar. 26, 1996
5382355 Engine coolant filter Jan. 17, 1995
5334309 Filter units Aug. 2, 1994
5240595 Removing hazardous contaminants from water Aug. 31, 1993
5192425 Mounting base and assembly for pressure sensor, filter and pressure relief valve Mar. 9, 1993
5192427 Shower filters and accessories Mar. 9, 1993
5037539 Liquid filter with bypass passage Aug. 6, 1991
5032259 Friction-reducing lubricating-oil filter for internal combustion engine Jul. 16, 1991
5019251 Filter apparatus with a spring loaded safety valve plate May. 28, 1991
4985142 Quick release filter by-pass valve Jan. 15, 1991
4883083 Relief valve assembly; piston member from same and filter head assembly incorporating same Nov. 28, 1989
4832836 Series filters May. 23, 1989
4768929 High pressure paint pump Sep. 6, 1988
4681681 Grooved filter discs Jul. 21, 1987
4657671 Liquid filter with chip detecting means Apr. 14, 1987
4655912 Fluid valve assembly Apr. 7, 1987
4615800 Duplex filter apparatus Oct. 7, 1986
4581135 Self-cleaning fluid filter with a drain Apr. 8, 1986
4572784 Multiple-disc filters Feb. 25, 1986
4556484 Water filters Dec. 3, 1985
4424128 Filter device for diesel engines Jan. 3, 1984
4372848 Oil filter apparatus Feb. 8, 1983
4322290 Filter assembly Mar. 30, 1982
4316801 Filter assembly with jacked filter cannister Feb. 23, 1982
4272368 Fluid filter and indicator Jun. 9, 1981
4271020 Valve for filter device Jun. 2, 1981
4268384 Spin-off filter head assembly May. 19, 1981

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