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Class Information
Number: 285/370
Name: Pipe joints or couplings > Packed > Sleeve > Internal
Description: Devices in which the tubular section is inserted into the ends of the pipe ends.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404686 |
Snap fitting for joining component parts of an article of assembly |
Jul. 29, 2008 |
| 7344161 |
Connection of internally lined pipelines |
Mar. 18, 2008 |
| 7344163 |
Trunking sections and coupling therefor |
Mar. 18, 2008 |
| 7225523 |
Method for coupling and expanding tubing |
Jun. 5, 2007 |
| 7143481 |
Fixing ring for flexible pipe to manhole joint |
Dec. 5, 2006 |
| 7104574 |
Corrugated pipe connection joint |
Sep. 12, 2006 |
| 7004513 |
Pipe coupling methods |
Feb. 28, 2006 |
| 6926283 |
Metal-to-metal sealing system |
Aug. 9, 2005 |
| 6869080 |
Metal-to-metal sealing system |
Mar. 22, 2005 |
| 6832786 |
Tubular member coupling device |
Dec. 21, 2004 |
| 6769721 |
Molded plastics tubular couplings |
Aug. 3, 2004 |
| 6709021 |
Tubular member coupling device |
Mar. 23, 2004 |
| 6692039 |
Internal conduit sealing installation |
Feb. 17, 2004 |
| 6679528 |
Device for quick connection of a tube protected joint to a rigid element |
Jan. 20, 2004 |
| 6648375 |
Pilot insert seal for a tube fitting |
Nov. 18, 2003 |
| 6620316 |
Modular system for putting together different sized filter elements |
Sep. 16, 2003 |
| 6581978 |
Connector tube for a turbine rotor cooling circuit |
Jun. 24, 2003 |
| 6561521 |
Metal-to-metal seal with soft metal insert |
May. 13, 2003 |
| 6539715 |
Turbocharger swivel connector |
Apr. 1, 2003 |
| 6450547 |
Pipe coupling for plastic pipes |
Sep. 17, 2002 |
| 6322111 |
Self-sealing coupling connector for air ducts |
Nov. 27, 2001 |
| 6293098 |
Method and apparatus for joining pressurized exhaust manifold sections |
Sep. 25, 2001 |
| 6273634 |
Connector for an expandable tubing string |
Aug. 14, 2001 |
| 6193239 |
Tube joint |
Feb. 27, 2001 |
| 6179349 |
Modular pipeline connector |
Jan. 30, 2001 |
| 6170883 |
Tubular element with sealing means and a method for manufacturing the tubular element |
Jan. 9, 2001 |
| 6131956 |
Pipe coupling |
Oct. 17, 2000 |
| 6059338 |
Pipe connection |
May. 9, 2000 |
| 6024056 |
Cooling water passage structure in water cooled type V-shaped internal combustion engine |
Feb. 15, 2000 |
| 5996636 |
Tube joint |
Dec. 7, 1999 |
| 5988691 |
Fluid pipelines |
Nov. 23, 1999 |
| 5984370 |
Corrosion barrier with antibacterial protection for pipe connections |
Nov. 16, 1999 |
| 5944319 |
Method of forming a metal to metal seal between two confronting faces of pressure containing bodies and a metal to metal seal |
Aug. 31, 1999 |
| 5895079 |
Threaded connections utilizing composite materials |
Apr. 20, 1999 |
| 5868434 |
Shell for pipe repair |
Feb. 9, 1999 |
| 5769459 |
Inside sealing device sleeve for insertion of pipes |
Jun. 23, 1998 |
| 5769467 |
Pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes |
Jun. 23, 1998 |
| 5743327 |
Radiator system |
Apr. 28, 1998 |
| 5732982 |
Coupling joint |
Mar. 31, 1998 |
| 5732955 |
Expandable compression ring |
Mar. 31, 1998 |
| 5685572 |
Fitting and pipe joint using the fitting |
Nov. 11, 1997 |
| 5570890 |
Expandable compression ring |
Nov. 5, 1996 |
| 5566984 |
Cylindrical corrosion barrier for pipe connections |
Oct. 22, 1996 |
| 5549334 |
Retaining band assembly for internal pipe seals |
Aug. 27, 1996 |
| 5547228 |
Cylindrical corrosion barrier for pipe connections |
Aug. 20, 1996 |
| 5536050 |
Connection for fabricating mandrel bar from used segments |
Jul. 16, 1996 |
| 5524937 |
Internal coiled tubing connector |
Jun. 11, 1996 |
| 5507535 |
Conduit swivel connector |
Apr. 16, 1996 |
| 5507500 |
Expandable compression ring with locking members |
Apr. 16, 1996 |
| 5480196 |
Ductile iron pipe joint employing a coupling and coupling therefor |
Jan. 2, 1996 |
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