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Class Information
Number: 277/362
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.) > Multiple sealing faces (e.g., double seals, etc.) > Floating intermediate sealing face member
Description: Multiple sealing faces including a sealing face member located between and free (i.e., not fixed to one of the relatively movable parts) for rotating relatively to the relatively rotatable sealing face members fixed to their relatively movable parts.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7210687 |
Shaft seal assembly |
May. 1, 2007 |
| 7055826 |
Seal and bearing assembly |
Jun. 6, 2006 |
| 6811155 |
Shaft seal device |
Nov. 2, 2004 |
| 6416057 |
Brush seal |
Jul. 9, 2002 |
| 6390478 |
Sealing arrangement for a swivel |
May. 21, 2002 |
| 6315297 |
Seal |
Nov. 13, 2001 |
| 6244599 |
Floating brush seal |
Jun. 12, 2001 |
| 5997004 |
Hybrid floating brush seal |
Dec. 7, 1999 |
| 5791656 |
Seal assembly for heat treatment furnaces using an atmospheric gas containing hydrogen gas |
Aug. 11, 1998 |
| 5787791 |
Turbocharger actuator with rolling O-ring |
Aug. 4, 1998 |
| 5722667 |
Seal assembly for use between planar surfaces having opposed grooves to receive and hold the seal assembly |
Mar. 3, 1998 |
| 5492339 |
Rotary seal assembly |
Feb. 20, 1996 |
| 5435576 |
Spring gasket |
Jul. 25, 1995 |
| 5351972 |
Inside/outside mounted double mechanical face seal |
Oct. 4, 1994 |
| 5338004 |
Valve seal apparatus |
Aug. 16, 1994 |
| 5333956 |
Trolley wheel assembly |
Aug. 2, 1994 |
| 5194153 |
Apparatus for sealing a center valve vacuum filter |
Mar. 16, 1993 |
| 5160149 |
Seal rotor mount |
Nov. 3, 1992 |
| 5058905 |
Seal |
Oct. 22, 1991 |
| 5050843 |
Plug valve with metal-to-metal sealing |
Sep. 24, 1991 |
| 4998740 |
Face seal assembly |
Mar. 12, 1991 |
| 4895215 |
Seal cage assembly for relatively movable members |
Jan. 23, 1990 |
| 4759554 |
Mechanical face seals |
Jul. 26, 1988 |
| 4749199 |
Seal assembly including a sealing ring having internal lubricant passageways |
Jun. 7, 1988 |
| 4706969 |
Floating ring device for sealing shaft of turbo machine |
Nov. 17, 1987 |
| 4660786 |
Pivot bearing arrangement for the control surface of a missile |
Apr. 28, 1987 |
| 4654023 |
Mechanical seal for casing of centrifugal separators |
Mar. 31, 1987 |
| 4596054 |
Pressure sealing bearing assembly for use in environmental control suits and environmental suits containing such bearing assemblies |
Jun. 24, 1986 |
| 4530675 |
Internal universal joint seal with multiple lips |
Jul. 23, 1985 |
| 4510966 |
Plug valve with floating stem seal |
Apr. 16, 1985 |
| 4489951 |
Mechanical seal |
Dec. 25, 1984 |
| 4466621 |
Rotary drill bit multiple seal assembly |
Aug. 21, 1984 |
| 4395833 |
Sealing and lubricating system for a dredge |
Aug. 2, 1983 |
| 4351533 |
Face seal with rotatable seal ring |
Sep. 28, 1982 |
| 4323255 |
Mechanical seal with eccentric seal faces |
Apr. 6, 1982 |
| 4290497 |
Automatic wear compensating seal device |
Sep. 22, 1981 |
| 4266786 |
Mechanical seal assembly |
May. 12, 1981 |
| 4252330 |
Symmetrical seal for a rolling cone cutter earth boring bit |
Feb. 24, 1981 |
| 4216973 |
Seal |
Aug. 12, 1980 |
| 4212474 |
Seal ring having tapered surface and sealing device incorporating the same |
Jul. 15, 1980 |
| 4204716 |
Track joint with a thrust ring and a seal ring |
May. 27, 1980 |
| 4199151 |
Method and apparatus for retaining seals |
Apr. 22, 1980 |
| 4185686 |
Sealing apparatus for rotary heat exchangers |
Jan. 29, 1980 |
| 4168936 |
Stuffing box |
Sep. 25, 1979 |
| 4165203 |
Pressurized medium powered device |
Aug. 21, 1979 |
| 4088330 |
Rotary shaft end seal for apparatus operating under pressure |
May. 9, 1978 |
| 4052310 |
Seal assembly |
Oct. 4, 1977 |
| 4043619 |
Sliding ring seal |
Aug. 23, 1977 |
| 4024906 |
Rotary regenerative heat exchanger |
May. 24, 1977 |
| 3951417 |
Rotary shaft end seal for apparatus operating under pressure |
Apr. 20, 1976 |
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