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Class Information
Number: 285/226
Name: Pipe joints or couplings > Flexible joint, rigid members > Bellows
Description: Devices comprising a corrugated tube section of flexible material for joining two conduit ends which permits unrestricted motion of the conduits.










Sub-classes under this class:

Class Number Class Name Patents
285/227 Multiple 60
285/229 Single fold type 76


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8695218 Joint construction for coupling conduit sections Apr. 15, 2014
8689837 Low profile downspout extension and landscape drainage assembly Apr. 8, 2014
8690195 Flexible element with integral outer shield and/or inner liner Apr. 8, 2014
8607780 Expansion compensation device and method for manufacture thereof Dec. 17, 2013
8607827 Low profile downspout extension with non-rectangular outlet Dec. 17, 2013
8602066 Low profile conduit extension for downspouts Dec. 10, 2013
8584666 Prism shields for a parabolic trough solar collector Nov. 19, 2013
8523239 Flexible hose assembly with joint Sep. 3, 2013
8500172 Double cover-center cushion decoupler Aug. 6, 2013
8459936 Flexible seal for gas turbine engine system Jun. 11, 2013
8424922 Angled flexible coupling with integral outer shield and/or inner liner Apr. 23, 2013
8382165 Exhaust connection member with preformed braided cover Feb. 26, 2013
8371617 Expansion joint for pipe system Feb. 12, 2013
8297660 Water-conducting household appliance Oct. 30, 2012
8042840 Sealed flexible coupling with torsion acceptance Oct. 25, 2011
8033576 Pipe guide for expansion joint Oct. 11, 2011
7913716 Sealing element and a coupling device provided with such a sealing element Mar. 29, 2011
7845901 Air bleed device on a machine stator pivoting blade Dec. 7, 2010
7841627 Rotatable lead-through Nov. 30, 2010
7766392 Articulate connection piece for tubes Aug. 3, 2010
7748749 Decoupling element impervious to liquid fluids Jul. 6, 2010
7735208 Pipe unit and method for assembling pipe conduit using the same Jun. 15, 2010
7701716 Heat-transfer mechanism including a liquid-metal thermal coupling Apr. 20, 2010
7695021 Gasketed coupler apparatus for use with concrete segments Apr. 13, 2010
7686347 Couplers for use with ducts of concrete segmental construction Mar. 30, 2010
7677606 Connector for an articulated connection of a first and second pipeline Mar. 16, 2010
7661720 Connection structure for different kinds of metal tubes Feb. 16, 2010
7611169 Device for coupling a coolant supply to a roller Nov. 3, 2009
7604259 Damper root ring Oct. 20, 2009
7562908 Flexible fluid conduit joint and method Jul. 21, 2009
7530603 Pipe penetration system May. 12, 2009
7520919 Transducer-protector device for medical apparatus Apr. 21, 2009
7506896 Flexible joint with bellows Mar. 24, 2009
7506667 Flex stack Mar. 24, 2009
7484773 Self purging expansion joint Feb. 3, 2009
7398798 Flexible sleeve liner for a convolute duct Jul. 15, 2008
7344094 Flexible neck faucet sprayer Mar. 18, 2008
7341283 High temperature flexible pipe joint Mar. 11, 2008
7284771 Exhaust gas bellows expansion joint Oct. 23, 2007
7264280 Flexible tube for an exhaust pipe of an automobile Sep. 4, 2007
7143788 High temperature line expansion installation with bellows Dec. 5, 2006
7066495 Exhaust bellows for dynamic torsion control in an exhaust system Jun. 27, 2006
7040666 Full port externally gimballed joint May. 9, 2006
7017614 Downspout extension Mar. 28, 2006
6994354 Vibrationally decoupling gasket Feb. 7, 2006
6948744 Exhaust vibration decoupling connector Sep. 27, 2005
6945567 Flexible pipe connecting unit Sep. 20, 2005
6921112 Exhaust vibration decoupling connector Jul. 26, 2005
6919051 Low profile, integrated catalytic converter and flexible coupling assembly Jul. 19, 2005
6916049 Corrugated pipe coupling having six degrees of freedom Jul. 12, 2005

1 2 3 4 5 6










 
 
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