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Class Information
Number: 277/300
Name: Seal for a joint or juncture > Process of dynamic sealing
Description: Sealing means comprising use of the sealing means to oppose the flow of fluid at the joint or juncture between relatively movable parts and having a relatively movable relationship to at least one of the parts.

Sub-classes under this class:

Class Number Class Name Patents
277/301 Close proximity seal (e.g., contactless, fluent, etc.) 28
277/308 Contained or compressed by gland member in packing box 27
277/311 Flexible ring 27
277/309 Peripheral radially sealing flexible projection (e.g., lip, piston cup seal, etc.) 64
277/310 Piston ring for internal combustion engine 5
277/306 Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) 56

Patents under this class:

Patent Number Title Of Patent Date Issued
8163264 Expanded graphite and process for producing the expanded graphite Apr. 24, 2012
7992694 Seal for torque converter lockup clutch Aug. 9, 2011
7594544 Downhole tubular sealing system Sep. 29, 2009
6757959 Gasketed aerosol mounting cup Jul. 6, 2004
6742397 High pressure sensor with separate pressure port and housing and method for making the same Jun. 1, 2004
6589394 Controlled-force end seal arrangement for an air press of a papermaking machine Jul. 8, 2003
6338488 Sealing system enabling an assembly Jan. 15, 2002
6312564 Sealing device and process for sealing pressure zones in a paper-making machine Nov. 6, 2001
6302399 Sealing device and process for sealing a moving surface with the sealing device Oct. 16, 2001
6269146 Rotating anode x-ray tube capable of efficiently discharging intense heat Jul. 31, 2001
6254732 Method for loading a seal of a suction roll and a sealing construction thereof Jul. 3, 2001
6187146 Mounting arrangement for wet end weight measurement system Feb. 13, 2001
6161834 Pressure energized seal Dec. 19, 2000
6158967 Barrier fluid seal, reciprocating pump and operating method Dec. 12, 2000
6108892 Seal member automatic fitting apparatus and method Aug. 29, 2000
5975532 Seal construction for a suction roll in a paper machine Nov. 2, 1999
5799949 Annular chamber seal Sep. 1, 1998
5791655 Method for controlling oil in a press Aug. 11, 1998
5769723 Cross member unit for universal joints Jun. 23, 1998
5762341 O-ring insert Jun. 9, 1998
5735528 Self-lubricating packing piece Apr. 7, 1998
5718435 Seal cage Feb. 17, 1998
5645294 Wheel steering axis inclination, caster, and camber adjustment assembly seal and protective cover Jul. 8, 1997
5628516 Sealing assembly for rotary oil pumps having means for leaks detection and method of using same May. 13, 1997
5580424 Apparatus and method for sealing a suction box of a suction roll in a paper machine Dec. 3, 1996
5562406 Seal assembly for fluid pumps and method for detecting leaks in fluid pumps or fluid containment devices Oct. 8, 1996
5556109 Method of sealing and seal for a starter bar head to be used in a continuous caster Sep. 17, 1996
5507498 Sealing device for polymer filtration apparatus Apr. 16, 1996
5172921 Sealing device Dec. 22, 1992
4783083 Fluid pressure operated sealing process and sealing means Nov. 8, 1988
4619283 Stem seal for tapered lubricated plug valves Oct. 28, 1986
4615530 Method of sealing between relatively movable components Oct. 7, 1986
4415169 Seal for concentric tubular member Nov. 15, 1983
4026562 Seals May. 31, 1977

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