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Class Information
Number: 285/383
Name: Pipe joints or couplings > Distinct spaced serial
Description: Subject matter comprising a short intermediate coupling piece providing a flow portion and distinct independent socket elements at each end.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604261 |
Weatherproof compression connecting assembly for securing electrical metal tubing |
Oct. 20, 2009 |
| 7510219 |
Threaded connection for oil field applications |
Mar. 31, 2009 |
| 7490372 |
Wall-insert type shower head |
Feb. 17, 2009 |
| 6863313 |
Threaded connection for internally clad pipe |
Mar. 8, 2005 |
| 6860525 |
Breech lock connector for a subsea riser |
Mar. 1, 2005 |
| 6857667 |
High pressure fluid quick connect |
Feb. 22, 2005 |
| 6851728 |
Pipe-coupling device |
Feb. 8, 2005 |
| 6349979 |
Integral threaded assembly of two metal tubes |
Feb. 26, 2002 |
| 6273474 |
Threaded connection for internally clad pipe |
Aug. 14, 2001 |
| 6164481 |
Paint roller spin spray shield for buckets |
Dec. 26, 2000 |
| 6155613 |
Pipe joint |
Dec. 5, 2000 |
| 6059338 |
Pipe connection |
May. 9, 2000 |
| 6042153 |
Threaded connection for internally clad pipe |
Mar. 28, 2000 |
| 6036235 |
Two piece reusable coupling for fiberglass resin lined metal tubing sections having a cement mortar backing |
Mar. 14, 2000 |
| 5975587 |
Plastic pipe repair fitting and connection apparatus |
Nov. 2, 1999 |
| 5833276 |
Conduit doupling |
Nov. 10, 1998 |
| 5799984 |
Conduit connection |
Sep. 1, 1998 |
| 5769466 |
Threaded joint for pipes |
Jun. 23, 1998 |
| 5762380 |
Pipe joint with flanged housings |
Jun. 9, 1998 |
| 5707088 |
Joint for coupling plastic corrugated pipes |
Jan. 13, 1998 |
| 5634672 |
Flangeless pipe joint |
Jun. 3, 1997 |
| 5570909 |
Conduit connection |
Nov. 5, 1996 |
| 5566986 |
Dual gasket lined pipe connector |
Oct. 22, 1996 |
| 5560655 |
Electrical conduit coupling with lubrication fitting |
Oct. 1, 1996 |
| 5547232 |
Reusable sealed coupling for two pipes |
Aug. 20, 1996 |
| 5524940 |
Pipe coupler device |
Jun. 11, 1996 |
| 5498042 |
Quick connect connector for grooved pipe |
Mar. 12, 1996 |
| 5470111 |
Plastic coating thread and coupling assembly |
Nov. 28, 1995 |
| 5421623 |
Friction sealed coupling for pipe |
Jun. 6, 1995 |
| 5393103 |
Method and coupler for joining conduits and a method of making the coupler |
Feb. 28, 1995 |
| 5358283 |
Split connector pipe joining device and method |
Oct. 25, 1994 |
| 5346265 |
Coupling sleeve for connecting thin-walled pipe ends |
Sep. 13, 1994 |
| 5335945 |
Flexible pipe connector |
Aug. 9, 1994 |
| 5280969 |
Pipe coupling |
Jan. 25, 1994 |
| 5275445 |
Gas-tight pipe connection |
Jan. 4, 1994 |
| 5263748 |
Couplings for standard A.P.I. tubings and casings |
Nov. 23, 1993 |
| 5261710 |
Structure of pipe connector |
Nov. 16, 1993 |
| 5217667 |
Method for making conduits having a shock absorbing shell |
Jun. 8, 1993 |
| 5213374 |
Coupling ring and method of making same |
May. 25, 1993 |
| 5203594 |
Pipe coupling |
Apr. 20, 1993 |
| 5137310 |
Assembly arrangement using frustoconical screwthreads for tubes |
Aug. 11, 1992 |
| 5137306 |
Multiple-duct conduit system with expansion chamber coupling |
Aug. 11, 1992 |
| 5104159 |
Threadless coupling for pipes and an air-tight inner cylinder therefor |
Apr. 14, 1992 |
| 5098134 |
Pipe connection unit |
Mar. 24, 1992 |
| 5090739 |
Plumbing sleeve |
Feb. 25, 1992 |
| 5078432 |
Multiple duct conduit and couplings |
Jan. 7, 1992 |
| 5039137 |
Soil pipe coupling |
Aug. 13, 1991 |
| 5015017 |
Threaded tubular coupling |
May. 14, 1991 |
| 4984829 |
Screw coupling joint |
Jan. 15, 1991 |
| 4955645 |
Gauging device and method for coupling threaded, tubular articles and a coupling assembly |
Sep. 11, 1990 |
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