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Class Information
Number: 285/392
Name: Pipe joints or couplings > Screw > Attached thread bushing
Description: Subject matter comprising an intermediate member on each pipe end, generally internally and externally screw threaded, with which the coupling means, e.g., sleeve, coacts.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7195287 |
Pipe fitting for liquid or steam |
Mar. 27, 2007 |
| 7100946 |
Bulkhead assembly for use in pipe-in-pipe systems |
Sep. 5, 2006 |
| 6991269 |
Means for connecting two pipe elements end-to-end |
Jan. 31, 2006 |
| 6991268 |
Pipe fitting having over-sized strengthened starter threads |
Jan. 31, 2006 |
| 6866305 |
Pipe fitting having strengthened starter threads |
Mar. 15, 2005 |
| 5813428 |
Combination wall hydrant and backflow preventor |
Sep. 29, 1998 |
| 5676406 |
Multiple synchronized thread fluid connector |
Oct. 14, 1997 |
| 5503187 |
Multiple synchronized thread connector |
Apr. 2, 1996 |
| 5487573 |
Unitary assembly of tubing and a pressed on, interference fit, terminating fitting |
Jan. 30, 1996 |
| 5452748 |
Synchronized dual thread connector |
Sep. 26, 1995 |
| 5366257 |
Pipe connector |
Nov. 22, 1994 |
| 5356030 |
Container having at least one filling opening with a threaded closure |
Oct. 18, 1994 |
| 5350202 |
Method and apparatus for attaching lengths of fiberglass reinforced plastic pipe |
Sep. 27, 1994 |
| 5257836 |
Stab joint coupler |
Nov. 2, 1993 |
| 5195785 |
Adapter for customizing gas tank fill fittings |
Mar. 23, 1993 |
| 5160172 |
Threaded latch ring tubular connector |
Nov. 3, 1992 |
| 5083821 |
Extreme temperature thread sealing method and apparatus |
Jan. 28, 1992 |
| 4989902 |
Ratcheting and threaded well connector |
Feb. 5, 1991 |
| 4900066 |
Pipe connector |
Feb. 13, 1990 |
| 4869694 |
Mounting device for marine propellers and the like |
Sep. 26, 1989 |
| 4790573 |
Sealing system between a metal insert and plastic coupling, and resulting product |
Dec. 13, 1988 |
| 4681166 |
Internal nonrotating tie-back connector |
Jul. 21, 1987 |
| 4607865 |
Connector, ratcheting type |
Aug. 26, 1986 |
| 4589445 |
Spout operated valve |
May. 20, 1986 |
| 4582208 |
Siphon head |
Apr. 15, 1986 |
| 4564226 |
System and method for increasing wall thickness on end of pipe on which thread is to be fabricated |
Jan. 14, 1986 |
| 4549756 |
Conduit coupling assembly |
Oct. 29, 1985 |
| 4478440 |
Threaded pipe coupling |
Oct. 23, 1984 |
| 4127343 |
Inner tube for screw jack |
Nov. 28, 1978 |
| 4126338 |
Threaded coupling |
Nov. 21, 1978 |
| 4125007 |
Punch and method of construction |
Nov. 14, 1978 |
| 3994516 |
Telescoping pipe coupling with improved pressure seal connection threads |
Nov. 30, 1976 |
| 3943618 |
Method of assembly of a dual-walled pipe |
Mar. 16, 1976 |
| 3941172 |
Catalytic converter changer device |
Mar. 2, 1976 |
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