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Class Information
Number: 138/94
Name: Pipes and tubular conduits > With closures and plugs > Laterally insertable
Description: Closures and plugs for the inside opening of a pipe which are insertable through a lateral opening in the pipe.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7353839 |
High temperature completion plug |
Apr. 8, 2008 |
| 7325442 |
Leak testing device with a permanent coupling |
Feb. 5, 2008 |
| 7308902 |
Subsea valve assembly with replaceable fixed orifice insert |
Dec. 18, 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 |
| 7225827 |
Insertion valve and installation method |
Jun. 5, 2007 |
| 7112358 |
Self-adhesive purge dam for retaining purge gas around a weld zone |
Sep. 26, 2006 |
| 6997041 |
Dual slide gate valve and method for using same |
Feb. 14, 2006 |
| 6981821 |
Subsea pipeline insertion shoe |
Jan. 3, 2006 |
| 6978765 |
Fuel system with press fit plug assembly |
Dec. 27, 2005 |
| 6975243 |
Downhole tubular with openings for signal passage |
Dec. 13, 2005 |
| 6901966 |
Seal device for tubular member |
Jun. 7, 2005 |
| 6899138 |
Flexible emergency gas pipeline plug |
May. 31, 2005 |
| 6892752 |
Pipeline isolating device |
May. 17, 2005 |
| 6871666 |
Bi-directional dual chamber orifice fitting |
Mar. 29, 2005 |
| 6864801 |
Reservoir monitoring through windowed casing joint |
Mar. 8, 2005 |
| 6840282 |
Mechanisms to set a hollow device into and to retrieve said hollow device from a flow pipe |
Jan. 11, 2005 |
| 6840090 |
Plumbing testing devices |
Jan. 11, 2005 |
| 6832624 |
Plumbing tool and method for repairing a pipe therewith |
Dec. 21, 2004 |
| 6810903 |
Conduit flow controller |
Nov. 2, 2004 |
| 6776184 |
Insertion valve and installation method |
Aug. 17, 2004 |
| 6761187 |
Tubular assembly having an internal plug |
Jul. 13, 2004 |
| 6755216 |
Method of repairing an un-isolatable leak in a piping system and apparatus and components for accomplishing the same |
Jun. 29, 2004 |
| 6745791 |
Service tools for pipelines containing conduit or cable |
Jun. 8, 2004 |
| 6705350 |
Plug and plugging machine for pipeline fitting |
Mar. 16, 2004 |
| 6672139 |
Leak testing device and a coupling therefor |
Jan. 6, 2004 |
| 6659133 |
Insertable line stopper plug for pipelines |
Dec. 9, 2003 |
| 6655413 |
Method and apparatus for pressure testing pipe lines |
Dec. 2, 2003 |
| 6622747 |
Cutting, valve insertion and corrosion-resistant works without fluid supply interruption |
Sep. 23, 2003 |
| 6588455 |
Method and apparatus for blocking pipes |
Jul. 8, 2003 |
| 6581620 |
Method and apparatus for repairing or replacing valves |
Jun. 24, 2003 |
| 6543486 |
Leakage plugging method and implement |
Apr. 8, 2003 |
| 6530389 |
Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluid |
Mar. 11, 2003 |
| 6516832 |
Method and apparatus for testing plumbing |
Feb. 11, 2003 |
| 6508267 |
Plumbing tool and method for repairing a pipe therewith |
Jan. 21, 2003 |
| 6446662 |
Device for drilling or plugging a hole in a sealed fluid container or conduit wall |
Sep. 10, 2002 |
| 6422064 |
Leak testing device |
Jul. 23, 2002 |
| 6378560 |
Water stopper and solder instrument |
Apr. 30, 2002 |
| 6341619 |
Device for subsequently installing a fluid meter in a pipeline |
Jan. 29, 2002 |
| 6321778 |
Apparatus for pipeline construction |
Nov. 27, 2001 |
| 6308726 |
Valve insertion method and cutting tool |
Oct. 30, 2001 |
| 6289935 |
Drainpipe test plug device |
Sep. 18, 2001 |
| 6273427 |
Refrigeration sealing system for a refrigeration unit |
Aug. 14, 2001 |
| 6263896 |
Pressure flow stop |
Jul. 24, 2001 |
| 6234007 |
Leak testing device |
May. 22, 2001 |
| 6209585 |
Cover with pivotable handle for a vacuum conduit |
Apr. 3, 2001 |
| 6116286 |
Pneumatic pipe plug |
Sep. 12, 2000 |
| 6085793 |
Safety blinding device |
Jul. 11, 2000 |
| 6062262 |
Water drain pipe test plug device |
May. 16, 2000 |
| 6032696 |
Bottom nozzle repair apparatus |
Mar. 7, 2000 |
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