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Class Information
Number: 285/341
Name: Pipe joints or couplings > Packed > Wedge > Double wedge surfaces
Description: Subject matter including two or more pairs of coacting wedge surfaces so disposed that the planes thereof will intersect upon extension thereof, whereby mating engagement is obtained when one wedge surface is pushed toward the other.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455330 |
Quick coupling |
Nov. 25, 2008 |
| 7416225 |
Fitting for metal pipe and tubing |
Aug. 26, 2008 |
| 7374212 |
Rain tight fitting |
May. 20, 2008 |
| 7090256 |
Pipe joint |
Aug. 15, 2006 |
| 7032935 |
Self energizing connector |
Apr. 25, 2006 |
| 7025360 |
Metal seal with corrosion resistant alloy overlay |
Apr. 11, 2006 |
| 7014222 |
Tube connection system |
Mar. 21, 2006 |
| 7002077 |
Threadless conduit fitting including continuous compression ring |
Feb. 21, 2006 |
| 6932355 |
Sealing arrangement |
Aug. 23, 2005 |
| 6851729 |
Tube fitting for medium pressure applications |
Feb. 8, 2005 |
| 6843514 |
Pipe coupling device |
Jan. 18, 2005 |
| 6840550 |
Pipe joint reducing required tightening force, including a tightening nut with two threaded sections whose pitches differ |
Jan. 11, 2005 |
| 6832791 |
Connection means for interconnecting two duct elements |
Dec. 21, 2004 |
| 6668815 |
Self-aligning paintball gun barrel assembly with optional bore size adapter |
Dec. 30, 2003 |
| 6527303 |
Hydraulic hose assembly for bicycle |
Mar. 4, 2003 |
| 6467819 |
Method for rotational attachment of a connection fitting to an opposing surface |
Oct. 22, 2002 |
| 6428053 |
Micromachined fluidic coupler and method of making the same |
Aug. 6, 2002 |
| 6409176 |
Wellhead housing seal assembly with backup feature |
Jun. 25, 2002 |
| 6371525 |
Gas riser with free rotating plastic riser casing |
Apr. 16, 2002 |
| 6361084 |
Adjustable plumbing connector and method |
Mar. 26, 2002 |
| RE37086 |
Floor register mounting frame |
Mar. 6, 2001 |
| 6073976 |
Screwed pipe joint with cutting ring for metal tubes |
Jun. 13, 2000 |
| 5928078 |
Floor register mounting frame |
Jul. 27, 1999 |
| 5720504 |
Convoluted fluid connector assembly with hardened end portion |
Feb. 24, 1998 |
| 5655750 |
Plastic inlet appliance water valve |
Aug. 12, 1997 |
| 5620187 |
Contracting/expanding self-sealing cryogenic tube seals |
Apr. 15, 1997 |
| 5595368 |
Apparatus for preventing slippage in pipe couplings |
Jan. 21, 1997 |
| 5595406 |
Capillary tubing connector |
Jan. 21, 1997 |
| 5560655 |
Electrical conduit coupling with lubrication fitting |
Oct. 1, 1996 |
| 5551735 |
Tube fitting |
Sep. 3, 1996 |
| 5524940 |
Pipe coupler device |
Jun. 11, 1996 |
| 5505499 |
Pipe coupling |
Apr. 9, 1996 |
| 5441311 |
Connector with opposite moving cam rings |
Aug. 15, 1995 |
| 5385330 |
Compression sill cock flange |
Jan. 31, 1995 |
| 5375887 |
Plumbing hookup kit |
Dec. 27, 1994 |
| 5366260 |
Plastic pipe coupler |
Nov. 22, 1994 |
| 5355908 |
Reusable pipe union assembly with automatic fluid flow checking |
Oct. 18, 1994 |
| 5351998 |
Coupling device |
Oct. 4, 1994 |
| 5342096 |
Connector with captive sealing ring |
Aug. 30, 1994 |
| 5312141 |
Adapter for discharge lines |
May. 17, 1994 |
| 5246036 |
Multi-port angle stop type of shut-off valve |
Sep. 21, 1993 |
| 5228726 |
Exhaust system clamp |
Jul. 20, 1993 |
| 5217261 |
Flareless compression fitting |
Jun. 8, 1993 |
| 5188401 |
Pipe coupling with interlocked and segmented grip ring |
Feb. 23, 1993 |
| 5186503 |
Device for connecting a thin-walled hose with a tubular element |
Feb. 16, 1993 |
| 5183268 |
Metal-to-metal wellhead seal for rough casing |
Feb. 2, 1993 |
| 5176409 |
High pressure pipe coupling |
Jan. 5, 1993 |
| 5161835 |
Pipe joint mechanism having high maintainability with wrap-around seal member |
Nov. 10, 1992 |
| 5156536 |
Safety hand pump |
Oct. 20, 1992 |
| 5154453 |
Pipe joint made of resin |
Oct. 13, 1992 |
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