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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:
| 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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