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Class Information
Number: 174/21R
Name: Electricity: conductors and insulators > With fluids or vacuum > Conduit or cable joints
Description:










Sub-classes under this class:

Class Number Class Name Patents
174/21CA Joints: coaxial angle expansion 7
174/21C Joints: coaxial 42
174/21JC Joints: rotatable, coaxial 1
174/21JR Joints: rotatable 3
174/21JS Joints: separable 15
174/22R With fluid stops 33


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8658891 Stop joint for a superconducting cable Feb. 25, 2014
8383943 Electrical cable harness and assembly for transmitting AC electrical power Feb. 26, 2013
8334457 System for power connection Dec. 18, 2012
8195260 Two-sided splice for high temperature superconductor laminated wires Jun. 5, 2012
8173896 Fluid-insulated electrical apparatus May. 8, 2012
8110741 Composite coiled tubing end connector Feb. 7, 2012
8088996 High voltage DC bushing and device comprising such high voltage bushing Jan. 3, 2012
7772506 Fluid-tight cable duct Aug. 10, 2010
7644957 Expansion-deflecting coupling Jan. 12, 2010
7645408 Process for manufacturing the elastomeric sleeve of a joint for electrical cables and manufacturing apparatus thereof Jan. 12, 2010
7563981 High-voltage wire harness Jul. 21, 2009
7515806 Fiber optic cable guide Apr. 7, 2009
7498509 Composite coiled tubing end connector Mar. 3, 2009
7094972 Insulating cover for electrical connectors Aug. 22, 2006
7045705 Cable protection and guide device May. 16, 2006
6982382 Device for sealing ducts of electric and telephone lines Jan. 3, 2006
6936762 Cable protector Aug. 30, 2005
6852922 Apparatus and method for sealing a conduit Feb. 8, 2005
6765143 Tubing and conduit coupling or connector assembly Jul. 20, 2004
6603088 Pressurized gas circuit-breaker pole that can be assembled and disassembled without significant loss of gas Aug. 5, 2003
6433271 Method for arranging a busbar system and a busbar system Aug. 13, 2002
6395974 Protective pipe element for sheathed cable for controlling the integrity of the sheath May. 28, 2002
6341405 Clamp Jan. 29, 2002
6300560 Replaceable conduit connector for wiring systems Oct. 9, 2001
6231051 Cable sleeve consisting of a socket pipe having at least one transversely divided end member May. 15, 2001
6166323 Encapsulated gas isolated high voltage installation with a partitioned connector component Dec. 26, 2000
6002084 Line section of a gas-insulated line Dec. 14, 1999
5952606 Gas-insulated electric cable Sep. 14, 1999
5684270 Joint with a boss for a long distance gas-insulated three-phase cable Nov. 4, 1997
5558524 Cable connection for a metal-encapsulated, gas-insulated, high-voltage switching installation Sep. 24, 1996
5555221 Device for picking up sound waves propagating in water Sep. 10, 1996
5466890 Expansion joint for an electrical conduit which is electrically grounded through the expansion joint Nov. 14, 1995
5466890 Expansion joint for an electrical conduit which is electrically grounded through the expansion joint Nov. 14, 1995
5415242 Process and device for making an electrically conducting connection between cable ducts May. 16, 1995
5319155 Heat and fireproof duct for electrical and communication wires and the like Jun. 7, 1994
5302780 Split coaxial cable conductor and method of fabrication Apr. 12, 1994
5280131 Fluid-filled electric power cable system with two-way piston check valve Jan. 18, 1994
5185497 Single-pole gas-insulated line duct Feb. 9, 1993
5004865 Splicing device for fluid-cooled electric cables Apr. 2, 1991
4985598 Apparatus and method for supporting a cable splice in a cable splice enclosure Jan. 15, 1991
4943685 Cable splicing and termination system Jul. 24, 1990
4902856 Reusable cable joint cover Feb. 20, 1990
4833275 Flexible splice for an impregnated paper submarine cable May. 23, 1989
4740653 Electrical cable splice enclosure Apr. 26, 1988
4736071 Encapsulation system with pressurization means Apr. 5, 1988
4712285 Method for achieving fluid-tightness of a plastic sleeve for protecting splices of electric cables or telephone cables Dec. 15, 1987
4689440 Gas pressurizable coaxial cables and cable termination fitting assemblies Aug. 25, 1987
4647713 Pressurized telecommunication cable joint closure method and apparatus Mar. 3, 1987
4504695 Power cable joint Mar. 12, 1985
4468536 Wraparound closure Aug. 28, 1984

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