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Class Information
Number: 285/223
Name: Pipe joints or couplings > Flexible joint, rigid members
Description: Subject matter including a flexible material member that permits unrestrained motion between two rigid members.










Sub-classes under this class:

Class Number Class Name Patents
285/226 Bellows 286
285/230 Concrete, clay, or masonry pipe 106
285/225 Diaphragm 14
285/224 Radial and longitudinal expansion compensators 46
285/235 Resilient sleeve type 109
285/231 Socketed packing type 137


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8678445 Component connection Mar. 25, 2014
8671993 Flexible short pipe having shock absorbing function Mar. 18, 2014
8584666 Prism shields for a parabolic trough solar collector Nov. 19, 2013
8562027 Connection device for fuel tubing of an aircraft Oct. 22, 2013
8444185 Flexible extrusion resistant ring seal assembly May. 21, 2013
8397840 Replaceable wear band for well drill pipe Mar. 19, 2013
8328243 Marmon flange to spherical adapter Dec. 11, 2012
8146952 Cryogenic gimbal coupling Apr. 3, 2012
8141912 Flexible ducting system including an articulable sealed joint Mar. 27, 2012
8128129 Double-ended flexible pipe joint having stacked co-axial primary and secondary annular elastomeric flex elements Mar. 6, 2012
8094853 Speaker system and fitting device Jan. 10, 2012
8052175 Exhaust pipe structure Nov. 8, 2011
8016324 Two-element tandem flexible joint Sep. 13, 2011
7997626 Pipe coupling with auxiliary clamp Aug. 16, 2011
7878550 Apparatus, system, and method for joining and sealing conduits Feb. 1, 2011
7712789 Adapter for coupling connecting pipes in a commercial aircraft May. 11, 2010
7644957 Expansion-deflecting coupling Jan. 12, 2010
7484771 Adjustable bracket Feb. 3, 2009
7452005 Duct sealing apparatus Nov. 18, 2008
7431321 Trailer hitch assembly Oct. 7, 2008
7404872 PVC seismic coupling and method of installation Jul. 29, 2008
7341283 High temperature flexible pipe joint Mar. 11, 2008
7243955 Universal pipe connectors and sealing element therefor Jul. 17, 2007
7195284 Flexible synthetic resin coupling Mar. 27, 2007
7118139 Flanged coupling device with a static ball-and-socket joint Oct. 10, 2006
7052050 Elastomeric expansion joint and a wiring support member May. 30, 2006
7007982 Tube fitting Mar. 7, 2006
6979028 Pipe joint Dec. 27, 2005
6971680 Dialysis coupler assembly with joint members and hemodialysis system using same Dec. 6, 2005
6966527 Closed cable drag chain Nov. 22, 2005
6916049 Corrugated pipe coupling having six degrees of freedom Jul. 12, 2005
6905144 Spring-loaded `L`-shaped seal ring Jun. 14, 2005
6883836 Positive locking fitting assembly Apr. 26, 2005
6773297 Closed cable drag chain Aug. 10, 2004
6758989 Liquid-crystalline polymer molding Jul. 6, 2004
6729660 Adjustable base unit for angularly adjusting mounting disposition of silo fill tube May. 4, 2004
6715799 Corrugated pipe coupling having six degrees of freedom Apr. 6, 2004
6709023 Flexible slide joint Mar. 23, 2004
6659690 Tapered stress joint configuration Dec. 9, 2003
6601877 Piping structure of a working machine Aug. 5, 2003
6508491 Exhaust manifold clamp with vibration disconnecting effects for flange connections in exhaust lines and method of making same Jan. 21, 2003
6499770 Flexible duct for a microturbine Dec. 31, 2002
6478339 Displacement absorbing piping joint Nov. 12, 2002
6415603 Flexible connector assembly Jul. 9, 2002
6328346 Flexible mechanical joint Dec. 11, 2001
6329493 Plumbing articles from poly(aryl ether sulfones) Dec. 11, 2001
6065756 Flex seal for gas turbine expansion joints May. 23, 2000
6015170 Coupling assembly Jan. 18, 2000
5997047 High-pressure flexible self-supportive piping assembly Dec. 7, 1999
5957768 Exhaust gas interface Sep. 28, 1999

1 2 3










 
 
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