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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5192427 |
Shower filters and accessories |
Mar. 9, 1993 |
| 5192425 |
Mounting base and assembly for pressure sensor, filter and pressure relief valve |
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 |
| 4218317 |
Reverse osmosis water purifier |
Aug. 19, 1980 |
| 4192750 |
Stackable filter head unit |
Mar. 11, 1980 |
| 4142973 |
Valve with indicator circuit |
Mar. 6, 1979 |
| 4053410 |
Filter assembly with modulating bypass valve |
Oct. 11, 1977 |
| 4051031 |
Filter apparatus |
Sep. 27, 1977 |
| 4003397 |
Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same |
Jan. 18, 1977 |
| 3950248 |
Fluid filtering device |
Apr. 13, 1976 |
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