Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/15.12
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Repairing, securing, replacing, or servicing pipe joint, valve, or tank > Tapping pipe, keg, or tank

Sub-classes under this class:

Class Number Class Name Patents
137/15.13 Particular aperture forming means 35

Patents under this class:

Patent Number Title Of Patent Date Issued
8573243 Fluid delivery device and method Nov. 5, 2013
8540287 Saddle tap connection and installation device Sep. 24, 2013
8511328 Plugged hot tap tee Aug. 20, 2013
8333211 Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms Dec. 18, 2012
8286655 Line stop adapter Oct. 16, 2012
8201573 Tapping tee assembly Jun. 19, 2012
8176929 Line-stopping sheath spigot assemblies and line-stopping sheath assemblies using the same May. 15, 2012
8091573 Pipeline intervention Jan. 10, 2012
8047219 Block and bleed plugging tool employing seals on a pipeline exterior Nov. 1, 2011
8028711 Hot tap clamp Oct. 4, 2011
8001988 Verifiable closing and locking system of a cylindrical passageway Aug. 23, 2011
7856997 Removable automatic insertion device with segmented drainage shaft Dec. 28, 2010
7665481 Pressurized fluid line servicing tool Feb. 23, 2010
7650944 Vessel for well intervention Jan. 26, 2010
7437815 Systems adapted to cooperate with an aperture forming tool and methods Oct. 21, 2008
7350533 Method for accessing a pipe and apparatus therefor Apr. 1, 2008
7325559 Method for connecting a branch pipe to a main pipeline and underground network for distributing fluid Feb. 5, 2008
7311114 Cross-line plugging system Dec. 25, 2007
7281543 Apparatus, systems and methods for plugging a high temperature pipe Oct. 16, 2007
7270139 Cam-assisted, wedge actuated, metal-to-metal seal, block and bleed plugging tool Sep. 18, 2007
7021325 Valve assembly and method for hot tapping a line Apr. 4, 2006
6889703 Deployment of equipment into fluid containers and conduits May. 10, 2005
6811356 Cable and method for laying in plastic tubes Nov. 2, 2004
6745791 Service tools for pipelines containing conduit or cable Jun. 8, 2004
6691734 Methods and systems for installing cable and conduit in pipelines Feb. 17, 2004
6691728 Methods and systems for installing a pipeline within a pipeline Feb. 17, 2004
6691727 Device and method for protecting a subterranean pipe from damage during excavation Feb. 17, 2004
6622747 Cutting, valve insertion and corrosion-resistant works without fluid supply interruption Sep. 23, 2003
6536463 Method and system for installing cable in pressurized pipelines Mar. 25, 2003
6338359 Dual automatic insertion device Jan. 15, 2002
6105595 Method, system, and apparatus for automatically preventing or allowing flow of a fluid Aug. 22, 2000
6003537 Removable penetration fittings using T-fitting and flexible pipe combination Dec. 21, 1999
6000419 Connection system for a pressure cylinder Dec. 14, 1999
5988199 Corporation stop assembly Nov. 23, 1999
5971001 Fitting assembly and method for tapping into a conduit Oct. 26, 1999
5967168 Method of connecting branch pipe Oct. 19, 1999
5924436 Connecting construction of branch pipe and connecting method thereof Jul. 20, 1999
5660199 Method and valve for hot tapping a line Aug. 26, 1997
5653253 Safety arrangement Aug. 5, 1997
5163462 Apparatus for tapping a fluid through a wall Nov. 17, 1992
5063957 Method of rendering laid pipeline flexible and pipe joint suited for executing this method Nov. 12, 1991
4978255 Tapping fluid supply pipes Dec. 18, 1990
4779636 Installing reservoir taps Oct. 25, 1988
4606367 Apparatus and method for relieving pressure within a high pressure tank Aug. 19, 1986
4497332 Apparatus for servicing gas lines Feb. 5, 1985
4411459 Branch fitting for providing access to the interior of a pipe Oct. 25, 1983
4331170 Hot tap apparatus and method May. 25, 1982
4327760 Non-interrupting gas meter exchange system May. 4, 1982
4153067 Method and apparatus for providing removable Service to connections to a high pressure main May. 8, 1979

  Recently Added Patents
Apparatus and methods for providing efficient space-time structures for preambles, pilots and data for multi-input, multi-output communications systems
Dynamic trunk distribution on egress
Image enhancement based on multiple frames and motion estimation
Method for determining a corrected variance representative of the condition of reception of signals representative of symbols
Providing a multi-tenant knowledge network
Personal warming apparatus
High performance design rule checking technique
  Randomly Featured Patents
Silicon carbide transistor and method therefor
Close-packed array of light emitting devices
Trailer coupling
Rock crusher (balance and pins)
Latch and handle assembly for magnetic recording disc cartridge
Lightweight solenoid-operated spray gun
Electrode consisting of at least three elements useful for a HF surgical instrument
Mobile communication terminal
Method and apparatus for handling substacks of business forms to develop balanced stacks
Decorative badge