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Class Information
Number: 285/330
Name: Pipe joints or couplings > Particular interface > Interlocked or overlapped
Description: Devices wherein the free ends are provided with interengaging elements (e.g., tongue and groove, etc.) or are keyed together to prevent relative rotation therebetween.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591059 |
Expansion activated anti-rotation device |
Sep. 22, 2009 |
| 7559583 |
Tube coupling for tube elements |
Jul. 14, 2009 |
| 7527301 |
Pipe/connector weld joint, and methods of welding same |
May. 5, 2009 |
| 7520536 |
Connectors with adjustable elements to prevent undesired coupling of adjacent conduits |
Apr. 21, 2009 |
| 7510218 |
Pipe/connector weld joint, and methods of welding same |
Mar. 31, 2009 |
| 7493960 |
Apparatus and method to connect two parts without rotation |
Feb. 24, 2009 |
| 7488007 |
Slip fit quick disconnect pipe coupler |
Feb. 10, 2009 |
| 7445251 |
Two-piece oil filter oil cooler connector bolt |
Nov. 4, 2008 |
| 7435246 |
System and device for removing pharmaceutical products |
Oct. 14, 2008 |
| 7390032 |
Tubing joint of multiple orientations containing electrical wiring |
Jun. 24, 2008 |
| 7252310 |
Pipe coupling with tongue and groove sealing sleeve |
Aug. 7, 2007 |
| 7249789 |
Water well casing |
Jul. 31, 2007 |
| 7226090 |
Rod and tubing joint of multiple orientations containing electrical wiring |
Jun. 5, 2007 |
| 7213655 |
System for connecting downhole tools |
May. 8, 2007 |
| 7183486 |
Liquid-tight connector with deformable o-ring |
Feb. 27, 2007 |
| 7168486 |
Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
Jan. 30, 2007 |
| 7146704 |
Method for coupling connectors using an anti-rotation device |
Dec. 12, 2006 |
| 7137654 |
Fastening mechanism for medical connectors |
Nov. 21, 2006 |
| 7090261 |
Animal watering system with keyed components |
Aug. 15, 2006 |
| 7090256 |
Pipe joint |
Aug. 15, 2006 |
| 7048052 |
Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
May. 23, 2006 |
| 7044507 |
Assembly system for two tubular parts capable of being locked and unlocked |
May. 16, 2006 |
| 7025393 |
Pipe coupler with tongue and groove sealing sleeve |
Apr. 11, 2006 |
| 7025385 |
Coupling |
Apr. 11, 2006 |
| 6969093 |
Fluid coupling plug |
Nov. 29, 2005 |
| 6886844 |
System and method for connecting parts |
May. 3, 2005 |
| 6843512 |
Tubing connector |
Jan. 18, 2005 |
| 6834891 |
Pipe joint |
Dec. 28, 2004 |
| 6708985 |
Ring seal and retainer assembly |
Mar. 23, 2004 |
| 6685237 |
Torque resistant retrofit for compression metal face seals |
Feb. 3, 2004 |
| 6615422 |
Bath tap fitting |
Sep. 9, 2003 |
| 6612624 |
Fastening mechanism for medical connectors |
Sep. 2, 2003 |
| RE38204 |
Fluid coupling for matching delivery and supply lines irrespective of the relative rotational positions of the coupling members |
Jul. 29, 2003 |
| 6588031 |
Bath tap fitting |
Jul. 8, 2003 |
| 6575502 |
Conduit connector and method |
Jun. 10, 2003 |
| 6572152 |
Subassembly electrical isolation connector for drill rod |
Jun. 3, 2003 |
| 6557908 |
Exhaust system clamp assembly and associated method |
May. 6, 2003 |
| 6557905 |
Anti-rotational submersible well pump assembly |
May. 6, 2003 |
| 6550820 |
Connection arrangement for a mineral-insulated conduit |
Apr. 22, 2003 |
| 6543818 |
Device for assembling axisymmetric components |
Apr. 8, 2003 |
| 6523861 |
Fluid coupling and method of use |
Feb. 25, 2003 |
| 6520547 |
Quick locking pipe joint for plain or profiled pipe |
Feb. 18, 2003 |
| 6517344 |
Gas supply coupling for water heater |
Feb. 11, 2003 |
| 6478343 |
Self-locking coupling device |
Nov. 12, 2002 |
| 6460900 |
Quick connector with a through bore |
Oct. 8, 2002 |
| 6439619 |
Pipe flange clocking |
Aug. 27, 2002 |
| 6408885 |
Staked dual valve assembly |
Jun. 25, 2002 |
| 6402207 |
Safety indexed medical connectors |
Jun. 11, 2002 |
| 6382684 |
Device for connecting piping sections |
May. 7, 2002 |
| 6382683 |
High pressure gas fitting with non-rotatable features |
May. 7, 2002 |
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