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Class Information
Number: 405/156
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > With forming or cutting of pipe or cable
Description: Method or apparatus including a step or means for either (a) serving or machining the string or conduit, or (b) either plastically shaping stock material into the form of a string or conduit or plastically shaping an already formed string or conduit so as to alter its cross sectional configuration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7448829 |
Replacement of underground pipes |
Nov. 11, 2008 |
| 7390143 |
Articulated lead for trenchless pipe replacement |
Jun. 24, 2008 |
| 7351010 |
Method and apparatus for salvaging underwater pipelines |
Apr. 1, 2008 |
| 7341404 |
Dual capstan puller and method |
Mar. 11, 2008 |
| 7341686 |
Device for arresting the propagation of a buckle in a double-walled pipe |
Mar. 11, 2008 |
| 7267141 |
Method of on-site production of novel textile reinforced thermoplastic or thermoset pipes |
Sep. 11, 2007 |
| 7204661 |
Pipeline system utilizing cold bends |
Apr. 17, 2007 |
| 7172370 |
Cutting system, device, and method for splitting pipes |
Feb. 6, 2007 |
| 7156585 |
Method and apparatus for drawing a mole through a composition |
Jan. 2, 2007 |
| 7131791 |
Pipeline rehabilitation systems |
Nov. 7, 2006 |
| 7037041 |
Precast concrete pipe recycling machine |
May. 2, 2006 |
| 7001106 |
Installation of service connections for sensors or transmitters in buried water pipes |
Feb. 21, 2006 |
| 6942426 |
Process and apparatus for repairing pipes |
Sep. 13, 2005 |
| 6899842 |
Method and installation for laying a cylindrical pipe on a support |
May. 31, 2005 |
| 6792820 |
Method and accessories for pipe replacement |
Sep. 21, 2004 |
| 6755593 |
Pipe replacement method and rotary impact mechanism for pipe bursting |
Jun. 29, 2004 |
| 6705801 |
Apparatus and method for providing access to buried pipeline |
Mar. 16, 2004 |
| 6695537 |
Paddle support |
Feb. 24, 2004 |
| 6655874 |
Method and apparatus for slitting flexible pipe in an underground bore |
Dec. 2, 2003 |
| 6615859 |
Fluid supply interruption free method of construction |
Sep. 9, 2003 |
| 6581265 |
Wheel pulling apparatus |
Jun. 24, 2003 |
| 6565285 |
Method and device for laying an underground duct made of a plastic material |
May. 20, 2003 |
| 6554540 |
Modular guiding device |
Apr. 29, 2003 |
| 6536463 |
Method and system for installing cable in pressurized pipelines |
Mar. 25, 2003 |
| 6499912 |
Tool for replacement of underground plastic pipe |
Dec. 31, 2002 |
| 6419424 |
Coil pipe trailer |
Jul. 16, 2002 |
| 6357967 |
Apparatus for bursting and replacing pipe |
Mar. 19, 2002 |
| 6340270 |
Apparatus and method for the longitudinal splitting of pipes laid underground |
Jan. 22, 2002 |
| 6286542 |
Method and article of manufacture for inserting a locator wire into a subterranean, or otherwise concealed, pressurized plastic pipeline |
Sep. 11, 2001 |
| 6280119 |
Apparatus and method for placing and engaging elongate workpieces |
Aug. 28, 2001 |
| 6244783 |
Widening apparatus |
Jun. 12, 2001 |
| 6241424 |
Method and apparatus for replacing damaged section of a subsea pipeline without loss of product or entry of seawater |
Jun. 5, 2001 |
| 6171026 |
Method and apparatus for replacement of pipelines |
Jan. 9, 2001 |
| 6149346 |
Method for replacement of existing pipes and device for carrying out the method |
Nov. 21, 2000 |
| 6102624 |
Method and apparatus for installing a replacement pipe |
Aug. 15, 2000 |
| 6039505 |
Technique for administering a lubricant in an underground pipe replacement system |
Mar. 21, 2000 |
| 6024515 |
Live service pipe insertion apparatus and method |
Feb. 15, 2000 |
| 5984582 |
Method of extracting a hollow unit laid in the ground |
Nov. 16, 1999 |
| 5927900 |
Method for placing a system of ducts |
Jul. 27, 1999 |
| 5919002 |
Method of reducing the incursion of storm waters into sanitary sewer systems |
Jul. 6, 1999 |
| 5879109 |
Process and apparatus for introducing an optical or electrical cable into solid ground |
Mar. 9, 1999 |
| 5816745 |
Underground pipe replacement technique |
Oct. 6, 1998 |
| 5727904 |
System for testing a pipe |
Mar. 17, 1998 |
| 5725328 |
System and process for relining sewerage pipe sections |
Mar. 10, 1998 |
| 5711636 |
System for lining a pipe |
Jan. 27, 1998 |
| 5709503 |
Method and apparatus for restoring a pipe or tunnel |
Jan. 20, 1998 |
| 5681131 |
Cable feeding system and umbilical cable therefor |
Oct. 28, 1997 |
| 5676491 |
Buried pipe laying method |
Oct. 14, 1997 |
| 5674030 |
Device and method for repairing building branch lines in inacessible sewer mains |
Oct. 7, 1997 |
| 5672029 |
System for pipe rehabilitation |
Sep. 30, 1997 |
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