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Class Information
Number: 277/908
Name: Seal for a joint or juncture > Seal for use in rotating and reciprocating arrangement
Description: Sealing means comprising sealing means between relatively movable parts that rotate and reciprocate.

Patents under this class:

Patent Number Title Of Patent Date Issued
8123505 Reciprocating pump with sealing collar arrangement Feb. 28, 2012
7992684 Device for sealing escalator or moving walkway drives Aug. 9, 2011
6811156 Seal for hydraulically sealing a piston rod Nov. 2, 2004
6758480 Sealing system for a drive unit consisting of a motor and a transmission Jul. 6, 2004
6517080 Seal material having anisotropic properties Feb. 11, 2003
6430842 Assembly for supporting a rotating structure Aug. 13, 2002
6394462 Push rod seal for disc brake actuator May. 28, 2002
6270247 Mixing and kneading apparatus Aug. 7, 2001
5137285 Sealing system for mutually rotating machine parts Aug. 11, 1992
5046718 Floating ring labyrinth-type dynamic shaft seal and process for using same Sep. 10, 1991
5029880 Pressure sealing device for the gap between two coaxial cylindrical surfaces Jul. 9, 1991
4917390 Hydraulic seal assembly Apr. 17, 1990
4844481 Cylindrical seal system Jul. 4, 1989
4840379 Split sealing ring having a bias cut Jun. 20, 1989
4828272 Sealing apparatus with elastic seal ring and plastic slide ring May. 9, 1989
4789373 Hydraulic torque impulse generator Dec. 6, 1988
4618153 Annular reinforced wiper for piston rods Oct. 21, 1986
4577873 Dual valve stem packing arrangement Mar. 25, 1986
RE31329 Packing rings Aug. 2, 1983
4379558 Anti-extrusion packing member Apr. 12, 1983
4309040 Linear seal apparatus Jan. 5, 1982
4184690 Annular elements Jan. 22, 1980
4179131 Seal arrangements Dec. 18, 1979
4151999 Shaft seal May. 1, 1979
4046389 Stuffing box Sep. 6, 1977
4039198 Packing gland Aug. 2, 1977
4014555 Hydrostatic sealing device Mar. 29, 1977
3945649 Completely fluidtight and frictionless shaft seal packing Mar. 23, 1976

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