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Class Information
Number: 138/DIG.2
Name: Pipes and tubular conduits > Glass fiber
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6527014 |
Flexible duct insulation having improved flame resistance |
Mar. 4, 2003 |
| 6435218 |
Pipe with crack stopper feature, and process of protecting a pipe against propagation of cracks |
Aug. 20, 2002 |
| 6412521 |
Rigid line for a brake, fuel or hydraulic system in motor vehicles |
Jul. 2, 2002 |
| 6354334 |
Fiber-reinforced composite wrapped steel liner |
Mar. 12, 2002 |
| 6315004 |
Electrostatic charge neutralizing fume duct |
Nov. 13, 2001 |
| 5934338 |
Heat insulating covering and method |
Aug. 10, 1999 |
| 5799705 |
Fire resistant pipe |
Sep. 1, 1998 |
| 5731527 |
Coriolis flowmeters using fibers and anisotropic material to control selected vibrational flowmeter characteristics |
Mar. 24, 1998 |
| 5560398 |
Sequentially coextruded coolant conduit |
Oct. 1, 1996 |
| 5551484 |
Pipe liner and monitoring system |
Sep. 3, 1996 |
| 5443098 |
Thermoplastic pipe nipple |
Aug. 22, 1995 |
| 5406983 |
Corrosion-resistant composite couplings and tubular connections |
Apr. 18, 1995 |
| 5368184 |
Insulation for vessels carrying cryogenic liquids |
Nov. 29, 1994 |
| 5213379 |
FRP pipe with threaded end joint section |
May. 25, 1993 |
| 5194192 |
Method for preparing watertight and fireproof cable ducts through ceilings and walls |
Mar. 16, 1993 |
| 5176180 |
Composite tubular member with axial fibers adjacent the side walls |
Jan. 5, 1993 |
| 5110644 |
Composition material tube substantially insensitive to the variations of length under the effect of the internal pressure |
May. 5, 1992 |
| 5091230 |
Tube of composite material with a fibrous thermoplastic coating and process for manufacturing such a tube |
Feb. 25, 1992 |
| 5028056 |
Fiber composite sealing element |
Jul. 2, 1991 |
| 5022459 |
Flexible hose heat exchanger construction with combination locating and thawing wire |
Jun. 11, 1991 |
| 5009941 |
Tube or pipe formed a thermoplastic powder impregnated fiberglass roving |
Apr. 23, 1991 |
| 4971846 |
Thermoplastic cylinder and process for manufacturing same |
Nov. 20, 1990 |
| 4934412 |
Cooling pipe line for an engine |
Jun. 19, 1990 |
| 4900048 |
Integral seamless composite bicycle frame |
Feb. 13, 1990 |
| 4853297 |
Multilayer coated corrosion resistant metal pipe |
Aug. 1, 1989 |
| 4780347 |
Pipe insulation for cold weather applications |
Oct. 25, 1988 |
| 4778703 |
Adhesive tape for insulation application |
Oct. 18, 1988 |
| 4775566 |
High temperature flexible unitary sleeving insulation |
Oct. 4, 1988 |
| 4745851 |
Process for the construction of a gas-tight, thermally insulated lining for a free-standing stack |
May. 24, 1988 |
| 4693281 |
Variable modulus filament wound pressure tube |
Sep. 15, 1987 |
| 4688605 |
Reinforced hose structure |
Aug. 25, 1987 |
| 4670315 |
Process for providing a synthetic resin coating on a concrete structure |
Jun. 2, 1987 |
| 4657795 |
Tubular material based on a fabric-reinforced resin, and a bicycle or similar vehicle frame constructed with such a material |
Apr. 14, 1987 |
| 4601367 |
Crash protection structural component |
Jul. 22, 1986 |
| 4595615 |
Pipe insulation for cold weather applications |
Jun. 17, 1986 |
| 4589562 |
Structures reinforced by a composite material |
May. 20, 1986 |
| 4577736 |
Tubular member, especially for a safety steering column for motor vehicles |
Mar. 25, 1986 |
| 4559974 |
Apparatus and method of arresting ductile fracture propagation |
Dec. 24, 1985 |
| 4514245 |
Method for reinforcing a hollow body made by winding a profiled section |
Apr. 30, 1985 |
| 4508370 |
Rigid duct with bendable elbow |
Apr. 2, 1985 |
| 4421202 |
Sound attenuator |
Dec. 20, 1983 |
| 4421806 |
Low density resin systems for improved filament-wound composites useful as rocket motor cases |
Dec. 20, 1983 |
| 4415613 |
Method for making strengthened porous pipe and resulting product |
Nov. 15, 1983 |
| 4412561 |
Glass fiber-reinforced cement non-plate articles |
Nov. 1, 1983 |
| 4391301 |
Hole reinforcement |
Jul. 5, 1983 |
| 4389587 |
Unitary sleeving insulation |
Jun. 21, 1983 |
| 4351364 |
Steel reinforced pipe |
Sep. 28, 1982 |
| 4347271 |
Fibrous product |
Aug. 31, 1982 |
| 4343843 |
Fiber reinforced epoxy resin article |
Aug. 10, 1982 |
| 4340090 |
Silicone compositions for the treatment of glass fibers and methods of treatment |
Jul. 20, 1982 |
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