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Class Information
Number: 277/374
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) > Installation, removal, assembly, disassembly, or repair feature > Unitized seal assembly (e.g., cartridge, etc.) > Retains opposed sealing face members
Description: Unitized cartridge including a pair of sealing face members.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7427071 Divided driver device for a slip ring seal Sep. 23, 2008
6814355 Mechanical split seal Nov. 9, 2004
6773017 Single-piece seal assembly Aug. 10, 2004
6761359 Spacing element for centering components in a mechanical seal and for promoting circulation of a seal fluid therein Jul. 13, 2004
6561515 Mechanical split seal May. 13, 2003
6485024 Split mechanical face seal Nov. 26, 2002
6457720 Apparatus for applying a split mechanical seal to a rotatable shaft Oct. 1, 2002
6439577 Rotating seals for cell processing systems Aug. 27, 2002
6343793 Dual channel rotary union Feb. 5, 2002
6325381 High-pressure rotary seal Dec. 4, 2001
6273428 Annular seal assembly, in particular for the drive shaft of a vehicle Aug. 14, 2001
6186507 Retrofittable severe duty seal for a shaft Feb. 13, 2001
6007069 Mechanical face seal Dec. 28, 1999
5947479 Mechanical seal with flexible metal diaphragm Sep. 7, 1999
5893564 Mechanical face seal assembly Apr. 13, 1999
5865441 Emission seal Feb. 2, 1999
5863047 Mechanical seal assembly Jan. 26, 1999
5725220 Securing and centering devices for a split mechanical seal Mar. 10, 1998
5716054 Diametric plane split mechanical face seal Feb. 10, 1998
5687972 Unitary oil seal assembly Nov. 18, 1997
5676382 Mechanical face seal assembly including a gasket Oct. 14, 1997
5662340 Fully split cartridge mechanical seal assembly Sep. 2, 1997
5505465 Mechanical seal stud torquing system Apr. 9, 1996
5421592 Unitized radial and facial seal Jun. 6, 1995
5409240 Seal with self-lubricating contact surface Apr. 25, 1995
5199719 Sealing arrangement Apr. 6, 1993
5123660 Extended life mechanical face seal assembly Jun. 23, 1992
5094466 Water pump seal with improved seal force distribution Mar. 10, 1992
5087172 Compressor cartridge seal method Feb. 11, 1992
4961260 Compressor cartridge seal and insertion method Oct. 9, 1990
4759553 Dynamic rotary face seal Jul. 26, 1988
4754981 Unitized face sealing device Jul. 5, 1988
4669738 Internally installable package seal Jun. 2, 1987
4639000 Automatic aligning cartridge mount seal Jan. 27, 1987
4596394 Cartridge seal Jun. 24, 1986
4585236 Double jointed coolant seal Apr. 29, 1986
4538821 Mechanical seals Sep. 3, 1985
4502697 Compact integrated face seal unit Mar. 5, 1985
4502694 Axial shaft sealing unit with improved housing Mar. 5, 1985
4451049 Face seal May. 29, 1984
4443015 Cartridge type rotary shaft seal with bearings and bellows Apr. 17, 1984
4434986 Shaft seal Mar. 6, 1984
4386781 Annular fluid face seal with diaphragm Jun. 7, 1983
4377290 Symmetrical seal package for multiple face seals Mar. 22, 1983
4337628 Universal joint with unitary face seal and retainer assembly Jul. 6, 1982
4253638 Blowout preventer Mar. 3, 1981
4216972 Unitized face type seal Aug. 12, 1980
4205857 Centrifugal pumps Jun. 3, 1980
4189159 Unitized face type seal Feb. 19, 1980
4136887 Bellows type mechanical seal Jan. 30, 1979

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