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Class Information
Number: 285/21.2
Name: Pipe joints or couplings > With assembly means or feature > Molded joint facilitator > Having embedded facilitator
Description: Subject matter wherein a means is encased within at least one joint element to perfect the joint; e.g., a heating element inside at least one joint element which is capable of causing fusion between the joint elements.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8448992 Sterile docking device, medical fluid flow system with sterile docking device and method of using same May. 28, 2013
8424917 Electrofusion fitting Apr. 23, 2013
8418565 Heated pipe connecting device for installation of a flow meter Apr. 16, 2013
8398119 Electrofusion fitting Mar. 19, 2013
8372229 Method for coupling corrugated pipe segments Feb. 12, 2013
8075020 Pipe fitting for a heatable piping of a SCR system Dec. 13, 2011
8034211 Thermoplastic element for protection against corrosion in the thermofusion coupling of a thermoplastic tube Oct. 11, 2011
7878550 Apparatus, system, and method for joining and sealing conduits Feb. 1, 2011
7854449 Composite laminated sheet material for containment sumps Dec. 21, 2010
7767938 Electrofusion socket forming system Aug. 3, 2010
7758084 Connection between a pipe and a wall Jul. 20, 2010
7674072 Connection between a lateral and main pipe and method for making same Mar. 9, 2010
7614661 Welding socket Nov. 10, 2009
7523962 Connection between a wall and a pipe Apr. 28, 2009
7490861 Couplings Feb. 17, 2009
7472476 Method of applying joint infill cladding to pipe Jan. 6, 2009
7385163 Fuel tank assembly and method of assembly Jun. 10, 2008
7338085 Fusion-bonded processed product of resin member, method for producing same and method for fusion-bonding resin members Mar. 4, 2008
7207601 Electrofusion coupling particularly useful for coupling plastic pipes Apr. 24, 2007
7144045 Electrofusion socket forming system Dec. 5, 2006
6883835 Polyfusion pipe repair system and method Apr. 26, 2005
6840545 Welded flange connection Jan. 11, 2005
6840546 Electrofusion joint Jan. 11, 2005
6769719 Multilayer tube with butt weldable end and welding method for a multilayer tube Aug. 3, 2004
6761187 Tubular assembly having an internal plug Jul. 13, 2004
6676165 Tank joint parts and a process for manufacturing an annular molded product of resins Jan. 13, 2004
6616191 Pipes, based on polyamide and polyolefin, for gas transmission and/or distribution Sep. 9, 2003
6590189 Method of measuring a welding voltage at a heating coil of a heating coil fitting and a heating coil welding apparatus Jul. 8, 2003
6478338 Coupling sleeve for high-pressure pipe Nov. 12, 2002
6450544 Combination mechanical/fusion pipe fitting Sep. 17, 2002
6406063 Pipe fittings Jun. 18, 2002
6398264 Thermally activated joining apparatus Jun. 4, 2002
6394502 Electrofusion coupler May. 28, 2002
6394501 Structural assembly device May. 28, 2002
6375226 Pipe connector having mechanical and fusion connections Apr. 23, 2002
6364367 Weldable clamp for a pipe made of thermally weldable material Apr. 2, 2002
6322653 Method for joining spiral wound pipes Nov. 27, 2001
6309890 Locking structure for securing a fluid transfer tube Oct. 30, 2001
6252210 Electrical sleeve heater with built-in thermal sensor Jun. 26, 2001
6250686 Combination mechanical/fusion pipe fitting Jun. 26, 2001
6250687 Process for leak proof connection of branch lines to rehabilitated sewer pipes Jun. 26, 2001
6198081 Welding sleeve of thermoplastic material with indicator Mar. 6, 2001
6193834 Apparatus and method for fusion joining a pipe and fittings Feb. 27, 2001
6164702 Reinforced thermoplastic pipe couping Dec. 26, 2000
6156144 Method for fusion jointing of plastic pipes Dec. 5, 2000
6149756 Method for joining plastic pipes, a joint ring used in the joining and a pipe joint provided with the method Nov. 21, 2000
6135508 Pipe fitting with thermoelectric adhesion Oct. 24, 2000
6131954 Weldable couple for electrofusion coupling of profile wall thermoplastic pipes without a separate coupler Oct. 17, 2000
6127662 Electrofusion method and device Oct. 3, 2000
6089615 Branch pipe connection Jul. 18, 2000

1 2 3 4

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