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Class Information
Number: 285/335
Name: Pipe joints or couplings > Packed
Description: Subject matter including packing means to prevent leakage.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578043 |
Coupling tubulars |
Aug. 25, 2009 |
| 7387731 |
Filtration element and method of constructing a filtration assembly |
Jun. 17, 2008 |
| 6695357 |
Threaded pipe connection having a retainer gasket with pressure relief vents |
Feb. 24, 2004 |
| 6527304 |
Brake tube connector |
Mar. 4, 2003 |
| 6494501 |
Pipe connector, pipe-connecting structure, and connecting method |
Dec. 17, 2002 |
| 6488316 |
Flexible metal hose termination fitting with adapter for termination plate |
Dec. 3, 2002 |
| 6481762 |
Pipe coupling |
Nov. 19, 2002 |
| 6447028 |
Joint fitting |
Sep. 10, 2002 |
| 6398270 |
Corrugated pipe joint |
Jun. 4, 2002 |
| RE36206 |
Expandable gasket, sealed joint and method of forming same |
May. 4, 1999 |
| 5842817 |
Pipe compression ring |
Dec. 1, 1998 |
| 5549968 |
Compressible fabric substrate |
Aug. 27, 1996 |
| 5531454 |
Expandable gasket, sealed joint and method of forming same |
Jul. 2, 1996 |
| 4848777 |
Pressure energized/pressure intensified casing seal |
Jul. 18, 1989 |
| 4046409 |
Joining arrangement for ventilation ducts and the like |
Sep. 6, 1977 |
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