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Class Information
Number: 277/500
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Circumferential contact seal for other than piston
Description: Dynamic seal wherein the seal has a radial peripheral surface contact against one or more of the relatively movable parts and for other than a part (i.e., a piston) that reciprocates along an axis to an enclosing wall and where the seal is for engaging the wall.










Sub-classes under this class:

Class Number Class Name Patents
277/503 Accommodates gyratory or oscillatory motion 40
277/501 And magnetic bias 9
277/510 Contained or compressed by gland member in packing box 70
277/585 Elongated sleeve or bushing 71
277/584 Extrusion preventing (i.e., antiextrusion) structure 151
277/502 For valve stem in internal combustion engine 64
277/578 Having circumferentially adjustable biasing element 24
277/579 Having floating ring or bushing (i.e., circumferentially contacting) 41
277/549 Peripheral radially sealing flexible projection (e.g., lip seal, etc.) 308
277/589 Radially backed by resilient or elastomeric member 147
277/587 Seated in groove having oblique wall 51
277/586 Seated in groove having stepped walls 24
277/543 Segmented ring 59


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8695351 Hula seal with preferential cooling having spring fingers and/or adjacent slots with different widths Apr. 15, 2014
8690158 Axially angled annular seals Apr. 8, 2014
8608172 Bulkhead seal Dec. 17, 2013
8528880 Butterfly valve plate sealing assemblies Sep. 10, 2013
8522433 Method of installing a seal Sep. 3, 2013
8403334 Multi-rail piston ring Mar. 26, 2013
8387992 Sealing device with encoder Mar. 5, 2013
8277624 Method and apparatus for fluid processing a workpiece Oct. 2, 2012
8276880 Butterfly valve plate sealing assembly Oct. 2, 2012
8114024 Seal for a rotating shaft Feb. 14, 2012
8100403 Hydrodynamic intershaft seal and assembly Jan. 24, 2012
8038856 Method and apparatus for fluid processing a workpiece Oct. 18, 2011
7988156 Additive pump Aug. 2, 2011
7980530 Packing nut for control valve Jul. 19, 2011
7815196 Magnetic seal assembly Oct. 19, 2010
7815195 Sealing ring and sealing ring arrangement Oct. 19, 2010
7802796 Composite material and seals formed thereof Sep. 28, 2010
7637508 High temperature high pressure seal stack having run-dry capability Dec. 29, 2009
7578495 Leak prevention system Aug. 25, 2009
7563079 Bore and shaft assembly Jul. 21, 2009
7549836 Bearing seal with backup device Jun. 23, 2009
7543822 Composite rotary seal assembly Jun. 9, 2009
7478981 Concealed glandular seal Jan. 20, 2009
7396019 Valve gasket Jul. 8, 2008
7389991 Leakage seal for gas path of gas turbine Jun. 24, 2008
7217036 Sealed ball bearing May. 15, 2007
7168147 Method for manufacturing a drilling tool with an elastomer seal having graded properties Jan. 30, 2007
7140616 Sealing device Nov. 28, 2006
7125018 Low-friction seal Oct. 24, 2006
7121553 Bushing for a hydraulic valve Oct. 17, 2006
7066719 Bore and shaft assembly Jun. 27, 2006
6945535 Seal Sep. 20, 2005
6913266 Sealing device Jul. 5, 2005
6871858 Shaft sealing apparatus Mar. 29, 2005
6863661 Fluid seal for endoscope Mar. 8, 2005
6783129 Sealing device Aug. 31, 2004
6776419 Seal for a reciprocating plunger Aug. 17, 2004
6742782 Seal of non-hermetic design Jun. 1, 2004
6702293 Seal member mounted between cylinder head cover and ignition plug tube Mar. 9, 2004
6692008 Sealing arrangement Feb. 17, 2004
6672594 High temperature coating of exhaust components Jan. 6, 2004
6666458 Valve seal for rotary valve engine Dec. 23, 2003
6659468 Rotary seal Dec. 9, 2003
6626437 Wiper seal Sep. 30, 2003
6622832 Hydraulic shock absorber Sep. 23, 2003
6607196 Sealing washer Aug. 19, 2003
6585270 Hydrogen seal ring having seal at ring intersegment Jul. 1, 2003
6578850 Dynamic seal for a drive shaft Jun. 17, 2003
6561520 Hydrodynamic rotary coupling seal May. 13, 2003
6547256 Cloth ring seal Apr. 15, 2003

1 2 3 4 5 6 7










 
 
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