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Class Information
Number: 285/179
Name: Pipe joints or couplings > Elbow
Description: Subject matter comprising a fitting having only two openings with the axis of the openings intersecting at an angle.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6203766 |
Dumping device of catalyst inside reactor and dumping method using the same |
Mar. 20, 2001 |
| 6193879 |
Reject water drain line installation system and apparatus for under sink reverse osmosis filter system |
Feb. 27, 2001 |
| 6179323 |
Vehicle inflatable side curtain assembly |
Jan. 30, 2001 |
| 6179342 |
Bend conduit having low pressure loss coefficient |
Jan. 30, 2001 |
| 6164337 |
Plumbing apparatus |
Dec. 26, 2000 |
| 6164706 |
Sweep elbow tube connector and method of fabrication |
Dec. 26, 2000 |
| 6164702 |
Reinforced thermoplastic pipe couping |
Dec. 26, 2000 |
| 6155608 |
Self-locking connector |
Dec. 5, 2000 |
| 6141958 |
Exhaust cooling system for vehicles |
Nov. 7, 2000 |
| 6125891 |
Refractory u-bends and methods of manufacture |
Oct. 3, 2000 |
| 6123366 |
Pipe reinforcing device |
Sep. 26, 2000 |
| 6092844 |
Pipe coupler |
Jul. 25, 2000 |
| 6086114 |
Double-containment pipe assembly with conical-shaped internal anchor |
Jul. 11, 2000 |
| 6086116 |
Pipe joint for joining pipes with a bent pipe or branch |
Jul. 11, 2000 |
| 6073658 |
Elbow for conveying particulate matter |
Jun. 13, 2000 |
| 6070915 |
Coupling device for tube |
Jun. 6, 2000 |
| 6052990 |
Exhaust pipe and method and system for enhancing engine performance |
Apr. 25, 2000 |
| 6053537 |
Connectors for coupling tubes |
Apr. 25, 2000 |
| 6050613 |
Combined plastic pipe coupler and end plug |
Apr. 18, 2000 |
| 6039110 |
Heat store, especially latent heat store |
Mar. 21, 2000 |
| 6007108 |
Adapter for a nozzle manifold of a hot runner system |
Dec. 28, 1999 |
| 5992470 |
Fluid coupling apparatus |
Nov. 30, 1999 |
| 5984374 |
Pipe bend |
Nov. 16, 1999 |
| 5975590 |
High pressure fitting |
Nov. 2, 1999 |
| 5971438 |
Mobile vehicle sewage removal system |
Oct. 26, 1999 |
| 5951062 |
Saddle-less fitting |
Sep. 14, 1999 |
| 5944985 |
Reject water drain line installation system and apparatus for under sink reverse osmosis filter system |
Aug. 31, 1999 |
| 5934712 |
Double containment pipe mechanical joints |
Aug. 10, 1999 |
| 5924744 |
Pipe coupling |
Jul. 20, 1999 |
| 5893589 |
Fluid conduit connecting apparatus |
Apr. 13, 1999 |
| 5893590 |
Quick connector housing with elongated barb design to prevent accidental engagement |
Apr. 13, 1999 |
| 5890747 |
Double containment butt weld pipe fitting |
Apr. 6, 1999 |
| 5882042 |
Connector for freon hose assembly |
Mar. 16, 1999 |
| 5865472 |
Compensator for temperature-caused length changes |
Feb. 2, 1999 |
| 5853201 |
Coolant pipe connecting coupling |
Dec. 29, 1998 |
| 5845386 |
Method for connecting a multiple-piece elbow assembly |
Dec. 8, 1998 |
| 5819326 |
Connecting apparatus for a toilet and a drainpipe |
Oct. 13, 1998 |
| 5813703 |
Connector for hoses |
Sep. 29, 1998 |
| 5799986 |
Connector assembly and method of manufacture |
Sep. 1, 1998 |
| 5791698 |
Plastic pipe coupler with internal sealer |
Aug. 11, 1998 |
| 5786054 |
Inductive welding of thermoplastic pipe |
Jul. 28, 1998 |
| 5775736 |
Plastic pipe fittings |
Jul. 7, 1998 |
| 5772255 |
Tubing connector |
Jun. 30, 1998 |
| 5735551 |
Pipe repair apparatus and method |
Apr. 7, 1998 |
| 5732983 |
Thermal expansion-absorbing structure for pipe arrangement |
Mar. 31, 1998 |
| 5718461 |
Pipe bend |
Feb. 17, 1998 |
| 5692785 |
Plastic pipe coupler with internal sealer |
Dec. 2, 1997 |
| 5671654 |
Sealed spring brake actuator |
Sep. 30, 1997 |
| 5671952 |
Service manifold and special elbow for tank blanketing and venting valves |
Sep. 30, 1997 |
| 5634673 |
Joint device |
Jun. 3, 1997 |
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