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Class Information
Number: 137/15.13
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Repairing, securing, replacing, or servicing pipe joint, valve, or tank > Tapping pipe, keg, or tank > Particular aperture forming means
Description:










Sub-classes under this class:

Class Number Class Name Patents
137/15.14 Cutter or cutting tool 51
137/15.15 Having deformable or inflatable means 29


Patents under this class:

Patent Number Title Of Patent Date Issued
8474473 Method of direct hot tapping into a multiple production string without removing outer layers of casing Jul. 2, 2013
8316871 Device and process for perforating a duct fitted with a connector seat Nov. 27, 2012
8151817 Apparatus for isolating elbow fittings Apr. 10, 2012
8127784 Filter draining device Mar. 6, 2012
8118048 Apparatus and method for forming an opening in a storage tank Feb. 21, 2012
8020575 Water line tapping method Sep. 20, 2011
7938137 Method of direct hot tapping into a multiple production string without removing outer layers of casing May. 10, 2011
7437815 Systems adapted to cooperate with an aperture forming tool and methods Oct. 21, 2008
6976498 Method of fitting a cable into a pipe Dec. 20, 2005
6832624 Plumbing tool and method for repairing a pipe therewith Dec. 21, 2004
6748968 Method and apparatus for combined conduit/electrical-conductor junction installation Jun. 15, 2004
6739352 Self-piercing radiator drain valve May. 25, 2004
6698444 Freeing of seized valves Mar. 2, 2004
6536463 Method and system for installing cable in pressurized pipelines Mar. 25, 2003
6142165 Method and apparatus for installing a branch connector from the top of an excavation Nov. 7, 2000
6012878 Pressure balanced subsea tapping machine Jan. 11, 2000
5964240 Pipe tapping Oct. 12, 1999
5381815 Method for isolating a relief valve Jan. 17, 1995
5291914 Piercing valve assembly for pliers Mar. 8, 1994
5186199 Conduit stopper Feb. 16, 1993
5170813 Tapping bands Dec. 15, 1992
5152310 In-line valve for fluid conduit Oct. 6, 1992
5052431 Pipeline repair method and apparatus Oct. 1, 1991
5022421 Fluid connection method and assembly Jun. 11, 1991
4978255 Tapping fluid supply pipes Dec. 18, 1990
4922951 Service tee for connection to a gas or water main May. 8, 1990
4832069 Tapping subterranean pipes May. 23, 1989
4719936 Method of hot tapping type branching and split joint used therein Jan. 19, 1988
4691726 Method and apparatus for valve assembly for a hot water tank Sep. 8, 1987
4364406 Method and device for establishing a flow connection with a pipe Dec. 21, 1982
4311164 Valve handle retention system Jan. 19, 1982
4270559 Method for installing an adjustable flow restricting valve member in a tubular pipe, and a valve device for utilization of the method Jun. 2, 1981
4184504 Wellhead valve removal and installation tool Jan. 22, 1980
4029118 Tapping apparatus and method Jun. 14, 1977
3974846 Apparatus and method for gaining access to the contents of pressurized vessels and systems Aug. 17, 1976











 
 
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