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Class Information
Number: 285/405
Name: Pipe joints or couplings > Flange
Description: Subject matter wherein at least the free end of one of the members has a transverse shoulder, flange or flange portion utilized in making the joint.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7601931 |
Method and apparatus for joining plastic pipe |
Oct. 13, 2009 |
| 7556009 |
Air intake manifold for coupling the output of a compressor to the air intake of an internal combustion engine |
Jul. 7, 2009 |
| 7490870 |
Hydraulic flange connection |
Feb. 17, 2009 |
| 7490631 |
Integrally formed flanged metal pipe and method of manufacturing thereof |
Feb. 17, 2009 |
| 7488010 |
Flange assembly |
Feb. 10, 2009 |
| 7481462 |
Flange connection for pipes |
Jan. 27, 2009 |
| 7467814 |
Flange |
Dec. 23, 2008 |
| 7458618 |
Fixed flange spray deflector |
Dec. 2, 2008 |
| 7431350 |
Flange assembly |
Oct. 7, 2008 |
| 7390375 |
Method and a device for connecting a plastic conduit and a plastic socket |
Jun. 24, 2008 |
| 7360622 |
Differential mounting structure |
Apr. 22, 2008 |
| 7302972 |
Thermo-insulated flexible tubing |
Dec. 4, 2007 |
| 7216898 |
Flanged connector for HVAC ducting |
May. 15, 2007 |
| 7195290 |
Apparatus for a fire-rated duct |
Mar. 27, 2007 |
| 7029037 |
Apparatus for connecting and sealing duct sections |
Apr. 18, 2006 |
| 6926807 |
Insulated transition spool apparatus |
Aug. 9, 2005 |
| 6810570 |
Method of attaching a connector element to a duct flange |
Nov. 2, 2004 |
| 6767036 |
Gas tight housing joint using an interference fit with adhesive |
Jul. 27, 2004 |
| 6758502 |
Coupling ring for ventilation ducts, and method of connecting ventilation ducts |
Jul. 6, 2004 |
| 6742816 |
Pipe flange and piping system |
Jun. 1, 2004 |
| 6725611 |
Sleeve holder for utility conduit |
Apr. 27, 2004 |
| 6715798 |
High-pressure fluid-flow system having compact two-bolt and four-bolt flanged and modular connectors |
Apr. 6, 2004 |
| 6672630 |
Flange for connection between an axial compressor and high-pressure rotor disc unit in a gas turbine |
Jan. 6, 2004 |
| 6629521 |
Oxygen sensor and feedback system for outboard motor engine |
Oct. 7, 2003 |
| 6561553 |
Angle plate fastening method and apparatus for air duct flange connectors |
May. 13, 2003 |
| 6547287 |
Duct connecting system having integral transverse flanges |
Apr. 15, 2003 |
| 6540266 |
Spin forming a tubular workpiece to form a radial flange on a tubular flange and a thick rim on the radial flange |
Apr. 1, 2003 |
| 6494503 |
Pipe joint assembly and method for using same |
Dec. 17, 2002 |
| 6475625 |
Plastic parts joining structure |
Nov. 5, 2002 |
| 6471256 |
Companion duct flanges |
Oct. 29, 2002 |
| 6454317 |
Versatile end plate converter design using powder metal |
Sep. 24, 2002 |
| 6428056 |
Method and apparatus for stacking ankle plates to permit free, sliding, lateral displacement of plates |
Aug. 6, 2002 |
| 6364374 |
Methods and devices for joining panels |
Apr. 2, 2002 |
| 6361080 |
Method for attaching an ANSI stub-end flanged connector to a composite tubular member |
Mar. 26, 2002 |
| 6279969 |
Gas pressure regulator coupling arrangement |
Aug. 28, 2001 |
| 6270045 |
Perimeter weld flanges |
Aug. 7, 2001 |
| 6264251 |
Segmented flange coupler for grooved pipe |
Jul. 24, 2001 |
| 6254140 |
Segmented flange including a shim |
Jul. 3, 2001 |
| 6205778 |
Exhaust pipe assembly for multi-cylinder internal combustion engine |
Mar. 27, 2001 |
| 6155045 |
Engine flange |
Dec. 5, 2000 |
| 6119956 |
Snow gun for making artificial snow |
Sep. 19, 2000 |
| 6109665 |
Butt joint of air duct sections |
Aug. 29, 2000 |
| 6102450 |
Coupling half and method of making same |
Aug. 15, 2000 |
| 6076864 |
Flange for compensator couplings or pipes |
Jun. 20, 2000 |
| 6010327 |
Fuel control system, parts, and methods of making |
Jan. 4, 2000 |
| 5967566 |
Light-weight, slip-on pipe flange |
Oct. 19, 1999 |
| 5909904 |
Flange joint assemblies |
Jun. 8, 1999 |
| 5893588 |
Connection of a coupling collar to and end of a hardened pipe |
Apr. 13, 1999 |
| 5865478 |
Coupling device for duct |
Feb. 2, 1999 |
| 5704509 |
Full contact floating roof |
Jan. 6, 1998 |
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