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Class Information
Number: 285/112
Name: Pipe joints or couplings > With fluid pressure seal > Flexible lip > C-shaped section > Longitudinal web
Description: Devices in which the web portion, in section view, of the sealing member lies parallel to the conduit axis.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7422246 |
Remote pipe coupling system |
Sep. 9, 2008 |
| 7401819 |
Mechanical pipe coupling having spacers |
Jul. 22, 2008 |
| 7390026 |
Housing type joint |
Jun. 24, 2008 |
| 7252293 |
Two-part gasket for pipe-to-pipe connections |
Aug. 7, 2007 |
| 7165789 |
Clamp assembly |
Jan. 23, 2007 |
| 7090259 |
Anti-mismatch of near-sized coupling segments |
Aug. 15, 2006 |
| 6708377 |
Tube clamp |
Mar. 23, 2004 |
| 6626466 |
Anti-mismatch or near-sized coupling segments |
Sep. 30, 2003 |
| 6584654 |
T-bolt hose clamp |
Jul. 1, 2003 |
| 6581977 |
Segmented pipe couplings employing T-bolts and improved T-bolts therefor |
Jun. 24, 2003 |
| 6502865 |
Pipe coupler and method of coupling |
Jan. 7, 2003 |
| 6467812 |
Pipe having replaceable wear resistant lined coupler |
Oct. 22, 2002 |
| 6375228 |
Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete |
Apr. 23, 2002 |
| 6371491 |
Pipe fitting gasket having enhanced surface properties |
Apr. 16, 2002 |
| 6302450 |
Coupling for plain end pipe |
Oct. 16, 2001 |
| 6273475 |
Pipe coupling |
Aug. 14, 2001 |
| 6227577 |
Housing type pipe coupling |
May. 8, 2001 |
| 6206434 |
Clampable pipe coupling |
Mar. 27, 2001 |
| 6170884 |
Pipe coupling for plain ended pipe and for plain ended pipe attached to grooved pipe |
Jan. 9, 2001 |
| 6142536 |
Pipe coupling |
Nov. 7, 2000 |
| 6139069 |
Universal mechanical coupling with interfitting ends |
Oct. 31, 2000 |
| 6086109 |
Conveying pipe |
Jul. 11, 2000 |
| 6076861 |
Housing type pipe coupling |
Jun. 20, 2000 |
| 6070914 |
Pipe coupling |
Jun. 6, 2000 |
| 5853030 |
Pipe coupling with a disinfectant injection port |
Dec. 29, 1998 |
| 5779276 |
Lined pipe connector containing end rings |
Jul. 14, 1998 |
| 5772257 |
Pipe coupling |
Jun. 30, 1998 |
| 5758906 |
Sockets serving for the connection of two plastic pipes |
Jun. 2, 1998 |
| 5758907 |
Mis-adjustment limiting segmented pipe coupling |
Jun. 2, 1998 |
| 5722695 |
Pipe joint |
Mar. 3, 1998 |
| 5658021 |
Pipe joint |
Aug. 19, 1997 |
| 5642907 |
End fitting for sprinkler system |
Jul. 1, 1997 |
| 5603508 |
Gasket for lateral outlet segmented pipe coupling |
Feb. 18, 1997 |
| 5540465 |
Pipe, valve and/or tee coupler |
Jul. 30, 1996 |
| 5505503 |
Conduit system |
Apr. 9, 1996 |
| 5415435 |
Pipe coupling support clamp |
May. 16, 1995 |
| 5351716 |
Concrete distributor system |
Oct. 4, 1994 |
| 5333916 |
External pipe coupling system with inflatable gasket |
Aug. 2, 1994 |
| 5310223 |
Pipe coupling |
May. 10, 1994 |
| 5282654 |
Pipe coupling sleeve |
Feb. 1, 1994 |
| 5280969 |
Pipe coupling |
Jan. 25, 1994 |
| 5280970 |
Pipe coupling |
Jan. 25, 1994 |
| 5273322 |
Pipe coupling with U-shaped spring ring |
Dec. 28, 1993 |
| 5249829 |
Pipe coupling gasket insert |
Oct. 5, 1993 |
| 5246257 |
Skew pipe coupling |
Sep. 21, 1993 |
| 5246256 |
Roll grooved pipe |
Sep. 21, 1993 |
| 5230537 |
Pipe coupling |
Jul. 27, 1993 |
| 5203594 |
Pipe coupling |
Apr. 20, 1993 |
| 5180193 |
Elastomer-lined metal pipe |
Jan. 19, 1993 |
| 5139290 |
Quick coupling for plastic pipe |
Aug. 18, 1992 |
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