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Class Information
Number: 405/184.1
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > Repair, replacement, or improvement
Description: Subject matter wherein the pipe or cable is (1) restored to a sound or healthy state, (2) exchanged or substituted with another pipe or cable, or (3) otherwise enhanced so as to increase performance.

Sub-classes under this class:

Class Number Class Name Patents
405/184.2 Installing liner 214
405/184.3 Pipe splitting, breaking, or expanding 116

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8702349 Pipe bursting apparatus Apr. 22, 2014
8684628 Winding apparatus Apr. 1, 2014
8651128 Methods and apparatus for isolating a section of fluid line Feb. 18, 2014
8641326 Method of replacing an underground pipe section Feb. 4, 2014
8636447 System and method for repairing and extended length of a subsea pipeline Jan. 28, 2014
8602688 Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod Dec. 10, 2013
8596917 System for repairing and strengthening pipe with internal helically wound tensile reinforcement Dec. 3, 2013
8585323 Method for repairing a damaged sewage pipeline without digging a trench Nov. 19, 2013
8573889 Milling robot for processing the internal walls of inaccessible pipelines Nov. 5, 2013
8568060 Rehabilitating pipe segment and existing pipe rehabilitation method using same Oct. 29, 2013
8556539 Trenchless drainage structure replacement Oct. 15, 2013
8540458 Center hole ram cable puller Sep. 24, 2013
8534957 Cold assisted pipe splitting and bursting Sep. 17, 2013
8517634 Systems and methods for replacing, repositioning and repairing a section of subsea pipe located on a seabed Aug. 27, 2013
8474795 Pulling device and method therefor Jul. 2, 2013
8468884 Motor controlled speed pipeline apparatus and method Jun. 25, 2013
8459614 Dual capstan puller and method Jun. 11, 2013
8454271 Apparatus and method for providing access to a buried pipe Jun. 4, 2013
8449221 Method and apparatus for repairing a damaged section of a subsea pipeline May. 28, 2013
8439082 Retention mechanism for subterranean seals experiencing differential pressure May. 14, 2013
8439605 Apparatus for everting a liner into a pipe and pressure connector for the same May. 14, 2013
8425154 System and method for repairing and extended length of a subsea pipeline Apr. 23, 2013
8418728 Method of adhering structural elements to polyethylene and like materials Apr. 16, 2013
8381578 Subsea pipeline service skid Feb. 26, 2013
8347477 Pipe producing apparatus and existing pipe rehabilitating method employing the same Jan. 8, 2013
8277147 Method for replacing pipes, and apparatus therefor Oct. 2, 2012
8272808 Device and method for the plugging of services in conduits Sep. 25, 2012
8272406 Methods for rehabilitating conduits using structural liners Sep. 25, 2012
8240338 Auxiliary tool for filling pipe with fluid, and fluid injection method for injecting fluid into pipe Aug. 14, 2012
8231307 System and method for tightening string sections to form a string Jul. 31, 2012
8197158 Device and method for the plugging of services in conduits Jun. 12, 2012
8172482 Apparatus and method for providing access to a buried pipe May. 8, 2012
8170715 Methods and devices for automated work in pipes based on impedance control May. 1, 2012
8075224 Method and device for reconstructing old underground pipes Dec. 13, 2011
8060257 Network architecture for remote robot with interchangeable tools Nov. 15, 2011
8015998 Method for patching or sealing leaks in fluid systems Sep. 13, 2011
7993078 Method and apparatus for installing an underground pipe Aug. 9, 2011
7967530 Sub-ducting apparatus Jun. 28, 2011
7964041 Installation and method for driving a submarine pipeline scraper Jun. 21, 2011
7963723 Overdrilling apparatus Jun. 21, 2011
7963504 Dual capstan puller and method Jun. 21, 2011
7955026 Method for rehabilitating a manhole Jun. 7, 2011
7862713 Reservoir water filtration system Jan. 4, 2011
7824130 Apparatus and method for joining a pipe conduit to a drilling device, expanding device or pull-in device Nov. 2, 2010
7720570 Network architecture for remote robot with interchangeable tools May. 18, 2010
7708033 Lining material and pipeline lining method May. 4, 2010
7699564 Self-contained keyhold weld fitting and method of use Apr. 20, 2010
7670086 Method of repairing a manhole chimney using a stretchable sleeve Mar. 2, 2010
7661655 Dual capstan puller and method Feb. 16, 2010
7650944 Vessel for well intervention Jan. 26, 2010

1 2 3 4

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