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Class Information
Number: 285/93
Name: Pipe joints or couplings > With indicator, alarm or inspection means
Description: Devices combined with (1) an indicator or alarm responsive to a condition or position of a part of the coupling or (2) with means which permits inspection of hidden parts or of the material inside the coupling.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5829880 |
Temperature sensor housing |
Nov. 3, 1998 |
| 5829792 |
Tube coupling with an indicator device employed for visual inspection of the proper locking/sealing position |
Nov. 3, 1998 |
| 5831149 |
Pipe coupling assembly, system and method |
Nov. 3, 1998 |
| 5823579 |
Device for coupling a flared metal pipe |
Oct. 20, 1998 |
| 5819326 |
Connecting apparatus for a toilet and a drainpipe |
Oct. 13, 1998 |
| 5799987 |
Fluid fitting coupling system |
Sep. 1, 1998 |
| 5794984 |
Quick connector |
Aug. 18, 1998 |
| 5794985 |
Threaded pipe connection |
Aug. 18, 1998 |
| 5788288 |
Sealing arrangement |
Aug. 4, 1998 |
| 5785358 |
Connection verifier for a quick connector coupling |
Jul. 28, 1998 |
| 5779278 |
Pop off insertion indicator for metal quick connectors |
Jul. 14, 1998 |
| 5779279 |
Connection verification and secondary latch device |
Jul. 14, 1998 |
| 5765877 |
Pipe joint |
Jun. 16, 1998 |
| 5749607 |
Joint assembly employing multi-ring gasket |
May. 12, 1998 |
| 5730472 |
Flangeless pipe joint and a process for manufacturing such a joint |
Mar. 24, 1998 |
| 5720501 |
Swivel joint elbow orientation device |
Feb. 24, 1998 |
| 5711549 |
High pressure quick connect for use in automotive brake system application |
Jan. 27, 1998 |
| 5711370 |
Inlet and outlet union mechanisms of a heat exchanger |
Jan. 27, 1998 |
| 5707086 |
Tubing connectors and parts for receiving the connectors |
Jan. 13, 1998 |
| 5704656 |
Adjustable pipe entrance seal |
Jan. 6, 1998 |
| 5697652 |
Pipe joint assembly |
Dec. 16, 1997 |
| 5685571 |
Pipe socket |
Nov. 11, 1997 |
| 5681064 |
Gasket retainer |
Oct. 28, 1997 |
| 5676403 |
Pop top insertion indicator for quick connectors |
Oct. 14, 1997 |
| 5662359 |
Quick connect coupling with lock ring and indicator |
Sep. 2, 1997 |
| 5660417 |
Indicator for maintaining seals in flange assemblies |
Aug. 26, 1997 |
| 5649724 |
Secondary latch and indicator for fluid coupling |
Jul. 22, 1997 |
| 5641184 |
Tube, especially for medical use, method of producing said tube, and tool for use in the implementation of the method |
Jun. 24, 1997 |
| 5623890 |
Safe exit indicating firehose coupling |
Apr. 29, 1997 |
| 5620210 |
Fluid conduit coupling |
Apr. 15, 1997 |
| 5616841 |
Flow metering device for landfill gas extraction well |
Apr. 1, 1997 |
| 5609369 |
Clamp apparatus with opening for a probe |
Mar. 11, 1997 |
| 5607190 |
Quick and leaktight joining device for tubular pipes |
Mar. 4, 1997 |
| 5605360 |
Connecting structure for pressure detector |
Feb. 25, 1997 |
| 5590914 |
Field assembled gas riser |
Jan. 7, 1997 |
| 5588954 |
Connector for a gradient sequential compression system |
Dec. 31, 1996 |
| 5580103 |
Coupling device |
Dec. 3, 1996 |
| 5577775 |
Bearingless coolant union |
Nov. 26, 1996 |
| 5573283 |
Branched hose construction, part therefor and methods of making the same |
Nov. 12, 1996 |
| 5573280 |
Tubing end-piece and connector |
Nov. 12, 1996 |
| 5566988 |
Heat shrinkable hose clamp with indicator |
Oct. 22, 1996 |
| 5566983 |
Fluid interface |
Oct. 22, 1996 |
| 5553895 |
Coupling assembly |
Sep. 10, 1996 |
| 5551732 |
Quick connector |
Sep. 3, 1996 |
| 5547229 |
Fluid coupling assembly |
Aug. 20, 1996 |
| 5544923 |
Apparatus for attaching hoses and tubes to a fitting |
Aug. 13, 1996 |
| 5542712 |
Quick connector housing with elongated barb design |
Aug. 6, 1996 |
| 5536047 |
Quick connection for fitting a rigid tube in a connector |
Jul. 16, 1996 |
| 5531483 |
Heat shrinkable hose clamp with heating indicator |
Jul. 2, 1996 |
| 5531695 |
Tamper evident sleeve |
Jul. 2, 1996 |
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