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Class Information
Number: 137/15.15
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 > Having deformable or inflatable means
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7886773 Low pressure directional stop bypass device Feb. 15, 2011
6820636 Plumbing tool Nov. 23, 2004
6745795 Method and device for plugging a gas main Jun. 8, 2004
6581620 Method and apparatus for repairing or replacing valves Jun. 24, 2003
6263896 Pressure flow stop Jul. 24, 2001
6257266 Method and apparatus for in-line repair of pipelines Jul. 10, 2001
5823222 Sanitary sampling device and method for using same Oct. 20, 1998
5791364 Attachment for stopper for plastic gas pipelines Aug. 11, 1998
5740829 Method of sealing an outlet opening Apr. 21, 1998
5560388 Seal plug for lined pipelines Oct. 1, 1996
5524661 Method of blocking a pipe and device therefor Jun. 11, 1996
5462077 Apparatus and method for shutting off fluid flow in a pipe main Oct. 31, 1995
5402814 Hose storage and reel assembly and method Apr. 4, 1995
5400814 Method for blocking a pipe and device therefor Mar. 28, 1995
5370147 Apparatus and method for an inflatable bladder valve system Dec. 6, 1994
5240031 Inflatable bladder valve for irrigation pipe Aug. 31, 1993
5099868 Method and apparatus for replacing utility outlets Mar. 31, 1992
4949744 Method and device for mounting a body in a conduit containing fluid Aug. 21, 1990
4911193 Temporary or permanent blocking of the bore of a pipe Mar. 27, 1990
4827984 Method of repairing or replacing piping and inflatable plug May. 9, 1989
4691728 Electronic test and seal apparatus and method Sep. 8, 1987
4572228 Connector valve assembly for inflatable packer device Feb. 25, 1986
4557285 Plugging a cut pipe for soldering a fitting Dec. 10, 1985
4508129 Pipe repair bypass system Apr. 2, 1985
4351349 Pipe repair kit apparatus and method Sep. 28, 1982
4299255 Emergency pipeline shut-off apparatus Nov. 10, 1981
4205697 Method to interrupt a media flow through a tubular pipe and a device for utilizing the method Jun. 3, 1980
4155373 Method for shutting off gas flow in plastic pipes May. 22, 1979
4127141 Method and apparatus for stopping fluid escape from pipe mains Nov. 28, 1978











 
 
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