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Class Information
Number: 285/345
Name: Pipe joints or couplings > Packed > Frictional retention upon insertion
Description: Subject matter in which a packing element fixed in a female member grips the male member to connect the members, as where the aperture in the packing is of smaller diameter than external diameter of the male member and the resilience of the packing holds the male after its insertion.










Sub-classes under this class:

Class Number Class Name Patents
285/346 With packing-expanding means 50


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8602458 Wellhead pipe coupling Dec. 10, 2013
8316731 Power transmission device with torque-resistant seal Nov. 27, 2012
8128132 Pest control seal for recreational vehicle Mar. 6, 2012
8104798 Connecting adapter for a gas cartridge and a gas induction device of a gas fastening apparatus, the cartridge, the solenoid valve and the apparatus with the adapter Jan. 31, 2012
7971681 Exhaust-gas muffler Jul. 5, 2011
7878554 Non-aggressive anchor washer Feb. 1, 2011
7837659 Luer connector assembly Nov. 23, 2010
7832773 Adjustable connector and method for its use Nov. 16, 2010
7823932 Press fitting arrangement with a pre-press leak indicator sealing ring Nov. 2, 2010
7789435 Beveled insert for facilitating coupling pipes Sep. 7, 2010
7776018 Luer connector assembly Aug. 17, 2010
7562912 Duct mating assembly Jul. 21, 2009
7490869 Coupling for an outlet conduit of a washing tank of a washing machine Feb. 17, 2009
7344165 Instantaneous connection device Mar. 18, 2008
6698798 Micromachined rubber O-ring microfluidic couplers Mar. 2, 2004
6511253 Method for mounting a housing to an object and devices related thereto Jan. 28, 2003
6488317 Cable strain relief adapter with gel sealing grommet Dec. 3, 2002
6488319 Self restrained pressure gasket Dec. 3, 2002
6460896 Sewer pipe coupling Oct. 8, 2002
6454310 Beveled insert for coupling pipes Sep. 24, 2002
6371522 Beveled insert for coupling pipes Apr. 16, 2002
6347815 Quick connect fluid coupling with components positioned to provide continuous insertion resistance Feb. 19, 2002
6309890 Locking structure for securing a fluid transfer tube Oct. 30, 2001
6293098 Method and apparatus for joining pressurized exhaust manifold sections Sep. 25, 2001
6220605 Slip joint connection for engine exhaust system Apr. 24, 2001
6179339 Seal rings for low loss flexible coupling of gas conduits Jan. 30, 2001
6152494 Pipe gasket with combined lip and compression seal geometries Nov. 28, 2000
6113159 Pipe gasket with shielded band Sep. 5, 2000
6027125 Tube coupling bodies Feb. 22, 2000
5941576 Connector and coupling means Aug. 24, 1999
5794989 Construction for coupling two tubes Aug. 18, 1998
5782498 Sealing flange, in particular for internal lining of pipes Jul. 21, 1998
5765880 Pipe coupler Jun. 16, 1998
5715863 Tube quick disconnector Feb. 10, 1998
5709415 Quick connect disconnect coupling Jan. 20, 1998
5707088 Joint for coupling plastic corrugated pipes Jan. 13, 1998
5700038 Pipe connection assembly Dec. 23, 1997
5653452 Socket joint for plastic pipes Aug. 5, 1997
5598865 Quick release toilet tank valve Feb. 4, 1997
5547230 Joint for variable wall thickness conduit Aug. 20, 1996
5482331 Quick connect coupling device Jan. 9, 1996
5474337 Joint and seal system for air transfer tubes Dec. 12, 1995
5413283 Quick disconnect for an automatic coating device May. 9, 1995
5402643 Flexible oil drain tube for turbocharger Apr. 4, 1995
5392957 Liquid dispensing apparatus Feb. 28, 1995
5383688 Conduit liner Jan. 24, 1995
5330238 Coupler for connecting two plastic pipes and process and mold for producing the coupler Jul. 19, 1994
5330234 Exhaust coupling with an adjustable airway Jul. 19, 1994
5324083 Pipe connection with sleeve, insert part and retaining ring Jun. 28, 1994
5314210 Device for connecting a flexible pipe to a rigid tubular joining piece May. 24, 1994

1 2 3 4










 
 
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