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Class Information
Number: 285/40
Name: Pipe joints or couplings > With assembly means or feature > Thread-cutting means
Description: Subject matter including means to form a thread upon assembly of one member into another by relative longitudinal movement.










Patents under this class:

Patent Number Title Of Patent Date Issued
7810850 Tube coupling Oct. 12, 2010
7523966 Tube coupling Apr. 28, 2009
7232159 Tube coupling Jun. 19, 2007
7090256 Pipe joint Aug. 15, 2006
6977059 Molten metal shaft coupling system Dec. 20, 2005
6860523 Tube coupling Mar. 1, 2005
6464266 Tube coupling Oct. 15, 2002
6123364 Pipe joint Sep. 26, 2000
6116301 Lubricant storage assembly for a lubricant delivery unit Sep. 12, 2000
6102442 Waterlight fitting for flexible conduit Aug. 15, 2000
6059321 Grip coupling for joining conduit May. 9, 2000
6044868 Watertight fitting for flexible non-metallic conduit Apr. 4, 2000
5904377 Pipe fitting May. 18, 1999
5860678 Self-threading joining system for flexible or semirigid pipes Jan. 19, 1999
5709417 Interference pipe coupling Jan. 20, 1998
5687994 Pipe coupling Nov. 18, 1997
5580101 Tapered joint thread system Dec. 3, 1996
5573281 Adapter Nov. 12, 1996
5522624 Pipe joint and seal Jun. 4, 1996
5429209 Grease fitting adapter Jul. 4, 1995
5393104 Sanitary hose coupler Feb. 28, 1995
5240290 Adapter assembly for branching a pipe Aug. 31, 1993
5240291 Sanitary hose coupler Aug. 31, 1993
5169179 Adapter for connecting a plastic pipe to a metal pipe Dec. 8, 1992
5156421 Fluid-tight connectors for fluid-carrying pipe-lines Oct. 20, 1992
4875710 Abrasive threaded fiberglass pipe joint Oct. 24, 1989
4790569 Reverse taper ring lock coupler and method Dec. 13, 1988
4682797 Connecting arrangement with a threaded sleeve Jul. 28, 1987
4681175 Auto-coupling tool for drill-pipes Jul. 21, 1987
4583767 Pipe coupling Apr. 22, 1986
4488738 Synthetic plastic pipe coupling and method of assembly Dec. 18, 1984
4310182 Internal couplings for plastic solar collectors and the like Jan. 12, 1982
4190269 Adapter for exhaust actuated devices Feb. 26, 1980
4079966 Insulated self-threading fitting Mar. 21, 1978
4066246 Sanitary pipeline mixer Jan. 3, 1978
4054305 Thread making fitting for unthreaded conduit Oct. 18, 1977
4034802 Radiator made of aluminum for central-heating plants Jul. 12, 1977
3990728 Hose coupling Nov. 9, 1976
3983598 Self-boring bushing device Oct. 5, 1976











 
 
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