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Class Information
Number: 285/260
Name: Pipe joints or couplings > Both members pliable and nonmetal
Description: Subject matter wherein each member is of flexible nonmetallic material, and the flexible characteristic is essential to the making of the joint (e.g., canvas tubing used in mine ventilation).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7222888 |
Preconditioned air conduit |
May. 29, 2007 |
| 6880862 |
Conductive tubular insert for a fuel transport system, and method |
Apr. 19, 2005 |
| 6443499 |
Apparatus for pre-conditioned air hoses and a method of assembling pre-conditioned air hoses |
Sep. 3, 2002 |
| 6425608 |
Joint at ventillating ducts |
Jul. 30, 2002 |
| 6390510 |
Dryer duct and swivel connection therefor |
May. 21, 2002 |
| 6286876 |
Insulated flexible duct for aircraft applications |
Sep. 11, 2001 |
| 6125538 |
Method and apparatus for connecting tubes |
Oct. 3, 2000 |
| 6089622 |
Method and apparatus for connecting tubes |
Jul. 18, 2000 |
| 6090233 |
Irrigation hose splice and method of making same |
Jul. 18, 2000 |
| 5938361 |
Writing utensil and method of manufacturing the writing utensil |
Aug. 17, 1999 |
| 5709412 |
Apparatus for connecting tubes |
Jan. 20, 1998 |
| 5662360 |
Interlocked restraint for a plastic pipe joining system |
Sep. 2, 1997 |
| 5655468 |
Delivery system for an agricultural implement |
Aug. 12, 1997 |
| 5560654 |
Irrigantion lay flat pipe hole plug |
Oct. 1, 1996 |
| 5407514 |
Method for welding thermoplastic materials |
Apr. 18, 1995 |
| 5368341 |
Pre-conditioned air hose assembly for aircraft |
Nov. 29, 1994 |
| 5366258 |
Flexible couplings for flexible tubes designed to be rolled up flat on themselves |
Nov. 22, 1994 |
| 5348051 |
Flexible swimming pool cleaner hose |
Sep. 20, 1994 |
| 5220811 |
Suction muffler tube |
Jun. 22, 1993 |
| 5157815 |
Conduit clamp |
Oct. 27, 1992 |
| 4898494 |
Subsurface water drainage system |
Feb. 6, 1990 |
| 4883453 |
Method of manufacturing synthetic vascular grafts |
Nov. 28, 1989 |
| 4875714 |
Plastic pipe with locking integral end connection |
Oct. 24, 1989 |
| 4865362 |
Connectible flexible convoluted tubing |
Sep. 12, 1989 |
| 4850533 |
Telescopic drinking straw |
Jul. 25, 1989 |
| 4793728 |
Subsurface water drainage system |
Dec. 27, 1988 |
| 4779902 |
Plastic pipe with integral end connection |
Oct. 25, 1988 |
| 4753459 |
Joint for connecting an elastically-deformable hose to a rigid tube |
Jun. 28, 1988 |
| 4657182 |
Two-stage type of freely elongatable sucking pipe |
Apr. 14, 1987 |
| 4640494 |
Tap or valve |
Feb. 3, 1987 |
| 4610469 |
Connector assembly for sterile connection or two internally sterile containers of tubings |
Sep. 9, 1986 |
| 4400267 |
Seal structure for hydrocyclones |
Aug. 23, 1983 |
| 4361079 |
Apparatus for extending ventilating conduits |
Nov. 30, 1982 |
| 4349070 |
Tube mat heat exchanger |
Sep. 14, 1982 |
| 4306743 |
Safety connection for breathing tubes |
Dec. 22, 1981 |
| 4299412 |
Production of socket ends in thermoplastic pipes |
Nov. 10, 1981 |
| 4284313 |
Quick detachable electrical connector |
Aug. 18, 1981 |
| 4277030 |
Spray and foam dispensing nozzle |
Jul. 7, 1981 |
| 4275909 |
Flexible plastic pipe joint |
Jun. 30, 1981 |
| 4252117 |
Injection device |
Feb. 24, 1981 |
| 4238059 |
Stoma drainage appliance |
Dec. 9, 1980 |
| 4215868 |
Gasket apparatus and method |
Aug. 5, 1980 |
| 4203420 |
Portable solar heat tube |
May. 20, 1980 |
| 4152017 |
Swivel connector for endotracheal tube or the like |
May. 1, 1979 |
| 4137117 |
Method of making a solvent-bonded joint |
Jan. 30, 1979 |
| 4124422 |
Method of producing flexible pipe with socket section |
Nov. 7, 1978 |
| 4089131 |
Apparatus for separably coupling a sample container to a sample gathering device |
May. 16, 1978 |
| 4083585 |
Tube coupling |
Apr. 11, 1978 |
| 4082327 |
Connecting joint for corrugated plastic tubing |
Apr. 4, 1978 |
| 4052990 |
Medico-surgical tube and adaptor |
Oct. 11, 1977 |
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