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Class Information
Number: 285/342
Name: Pipe joints or couplings > Packed > Wedge > Pushed
Description: Subject matter wherein the wedge means is pushed by an external pressure means into mating engagement with a cooperating wedge surface.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8702130 Fitting with improved tube clamping capability Apr. 22, 2014
8573653 Fitting component, ferrule and nut Nov. 5, 2013
8459700 Wet disconnect system with post disconnection pressure integrity Jun. 11, 2013
8444187 Separation prevention device for pipe joint May. 21, 2013
8439407 Conduit fitting with pull-up indication May. 14, 2013
8434793 Coated seals May. 7, 2013
8371621 Fitting connection Feb. 12, 2013
8308202 Separation prevention device for pipe joint Nov. 13, 2012
8272671 Fluid line connector Sep. 25, 2012
8262135 Duplex pipe fitting, exclusive tool for the duplex pipe fitting, refrigeration system employing the duplex pipe fitting, and separation type air conditioner Sep. 11, 2012
8191934 Connection structure between thin wall stainless steel pipe and joint Jun. 5, 2012
8186723 Pipe fixing system and pipe fastening device May. 29, 2012
8152205 Stainless-steel fitting for resin tubes Apr. 10, 2012
8007013 Fitting with adapted engaging surfaces Aug. 30, 2011
7988206 Flareless-type pipe fitting, refrigerating device, and water-heating device Aug. 2, 2011
7976070 Weatherproof compression connecting assembly for securing electrical metal tubing Jul. 12, 2011
7971909 Pipe joint, refrigeration device, heat pump hot water supply device, closing valve, water supply piping, method of connecting piping, and in-the field piping method Jul. 5, 2011
7954856 Flareless pipe coupling structure, flareless pipe coupling method, and on-site pipe coupling method Jun. 7, 2011
7922217 Ferrule with radial crown Apr. 12, 2011
7909367 Capillary interconnection fitting and method of holding capillary tubing Mar. 22, 2011
7900974 Method and apparatus for connecting air conditioning coolant lines Mar. 8, 2011
7891711 Revolving compensator of high pressure for pipe Feb. 22, 2011
7862089 Piping joint assembly system and method Jan. 4, 2011
7850212 Segmented locking ring and corresponding assembly and mounting method Dec. 14, 2010
7837236 Pipe connection having a reshaped pipe Nov. 23, 2010
7815226 Fitting for metal pipe and tubing Oct. 19, 2010
7806443 Method and apparatus for connecting air conditioning coolant lines Oct. 5, 2010
7784837 Fitting for metal pipe and tubing Aug. 31, 2010
7784838 High pressure energizable tube connector for a well Aug. 31, 2010
7735878 Self-setting high pressure fitting Jun. 15, 2010
7726700 Pipe coupling Jun. 1, 2010
7699358 Ferrule with relief to reduce galling Apr. 20, 2010
7695027 Fitting for tube and pipe Apr. 13, 2010
7681926 Method and apparatus for connecting small diameter tubing Mar. 23, 2010
7661729 Apparatus for connecting plastic-lined metallic pipes Feb. 16, 2010
7644959 Tube couplings for connecting a pair of conduits for carrying a cable Jan. 12, 2010
7614668 Ferrule with plural inner diameters Nov. 10, 2009
7604261 Weatherproof compression connecting assembly for securing electrical metal tubing Oct. 20, 2009
7484775 Pipe joint restraint Feb. 3, 2009
7472928 Connector Jan. 6, 2009
7419192 Braze-free connector utilizing a sealant coated ferrule Sep. 2, 2008
7416225 Fitting for metal pipe and tubing Aug. 26, 2008
7367595 Ferrule having convex interior wall portion May. 6, 2008
7354073 Pipe joint Apr. 8, 2008
7338088 Connector Mar. 4, 2008
7270351 Pipe coupling Sep. 18, 2007
7267372 Tube connector Sep. 11, 2007
7240929 Ferrule with plural inner diameters Jul. 10, 2007
7175208 High temperature end fitting and method of use Feb. 13, 2007
7104573 Energized restraining gasket for mechanical joints of pipes Sep. 12, 2006

1 2 3 4 5










 
 
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