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Class Information
Number: 285/16
Name: Pipe joints or couplings > Repair > Removable wear element
Description: Subject matter including means whereby a coupling part (e.g., a part of the fitting wall or part of a lining) can be readily replaced when worn, etc.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7303359 |
Pipe reinforcement system and method |
Dec. 4, 2007 |
| 6994117 |
Piping elbow liners |
Feb. 7, 2006 |
| 6976710 |
Method and device for repair and replacement of pipe broken at a junction |
Dec. 20, 2005 |
| 6799608 |
Bent pipe and a method for preparing thereof |
Oct. 5, 2004 |
| 6758499 |
System and method for repairing a conduit |
Jul. 6, 2004 |
| 6543811 |
Pipe flange assembly |
Apr. 8, 2003 |
| 6467812 |
Pipe having replaceable wear resistant lined coupler |
Oct. 22, 2002 |
| 6086109 |
Conveying pipe |
Jul. 11, 2000 |
| 5947528 |
Pipe flange assembly |
Sep. 7, 1999 |
| 5893588 |
Connection of a coupling collar to and end of a hardened pipe |
Apr. 13, 1999 |
| 5884946 |
Connection of steel pipes for conveying solid materials |
Mar. 23, 1999 |
| 5851034 |
Pipe swivel joint with removable plug for main seal replacement |
Dec. 22, 1998 |
| 5772254 |
Modular joint, with a replaceable sealing sleeve |
Jun. 30, 1998 |
| 5454603 |
Co-axial hose coupling adapted for replacing inner hose upon rupture thereof and method therefor |
Oct. 3, 1995 |
| 5407175 |
Flow valve having rotatable annular flange |
Apr. 18, 1995 |
| 5275440 |
Double-layer pipe bend with intermediate support layer |
Jan. 4, 1994 |
| 5259511 |
Sliding conduit connector for screening machine |
Nov. 9, 1993 |
| 5246254 |
Anti-kinking device for garden hoses |
Sep. 21, 1993 |
| 5199464 |
Pipeline repair sleeve assembly having heat sink groove |
Apr. 6, 1993 |
| 5188396 |
Rebuildable slurry conduit elbow |
Feb. 23, 1993 |
| 5141256 |
Double containment pipe assembly access housing |
Aug. 25, 1992 |
| 5137084 |
Rotating head |
Aug. 11, 1992 |
| 5123451 |
Pipeline repair sleeve assembly |
Jun. 23, 1992 |
| 5104151 |
Coupler apparatus for connecting a conduit to an equipment opening having damaged threads |
Apr. 14, 1992 |
| 5044670 |
Pipe for conveying solid matter |
Sep. 3, 1991 |
| 5024466 |
Wear-prevention structure for pneumatic conveying pipe elbow |
Jun. 18, 1991 |
| 5011196 |
Union for fluid conduits, in particular for high purity gas |
Apr. 30, 1991 |
| 4944535 |
Rotary liquid connection mechanism |
Jul. 31, 1990 |
| 4865353 |
Abrasion resistant ceramic elbow |
Sep. 12, 1989 |
| 4804207 |
Connector pipe segment |
Feb. 14, 1989 |
| 4790542 |
Furnace front wall seals |
Dec. 13, 1988 |
| 4733889 |
Wear resistant pipe |
Mar. 29, 1988 |
| 4691748 |
Improved filler tube tip and centering bell bushing |
Sep. 8, 1987 |
| 4684155 |
Pipe elbow with abrasion resistant composite inner liner and method for forming |
Aug. 4, 1987 |
| 4653777 |
Articulate bent pipe for transportation of powder and slurry in dry or wet state |
Mar. 31, 1987 |
| 4606556 |
Wear resistant elbow |
Aug. 19, 1986 |
| 4487438 |
Flexible flange joint coupler |
Dec. 11, 1984 |
| 4479743 |
Wear resistant insert for particulate material flow ducts |
Oct. 30, 1984 |
| 4461498 |
Coupling members for pipeline assemblies |
Jul. 24, 1984 |
| 4448218 |
Apparatus for sealing leaks |
May. 15, 1984 |
| 4413844 |
Swivel connector between a floating or semi-submerged structure and a riser or flow line |
Nov. 8, 1983 |
| 4413765 |
Method and apparatus for in situ repair of a worn pipe section |
Nov. 8, 1983 |
| 4304310 |
Drilling head |
Dec. 8, 1981 |
| 4299416 |
Swivel with removable packing gland |
Nov. 10, 1981 |
| 4258944 |
Split slip nut and seal assembly for plumbing trap |
Mar. 31, 1981 |
| 4251170 |
Abrasion resistant bend and method for small pipelines |
Feb. 17, 1981 |
| 4218080 |
Repairable composite seal ring |
Aug. 19, 1980 |
| 4161331 |
Spherical irrigation pipe coupling with replaceable seal |
Jul. 17, 1979 |
| 4130300 |
Composite abrasion resistant pipe elbow |
Dec. 19, 1978 |
| 4030740 |
Expansion joint |
Jun. 21, 1977 |
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