| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
|---|
| 10/24/1978 | US4121842 Expansion seal |
| 10/17/1978 | CA1040508A1 System for limiting rate of pressure rise in pipeline during hydraulic impact |
| 10/10/1978 | US4119273 System for pollution suppression |
| 10/10/1978 | US4119115 Stopping fluid flow in pipes |
| 10/10/1978 | US4119111 Frangible hose end fitting |
| 10/03/1978 | US4117866 Hollow body and method of making the same |
| 10/03/1978 | US4117856 Frostproof backflow preventer |
| 09/26/1978 | CA1039329A1 Telescoping pipe fitting |
| 09/19/1978 | US4115616 Self-sealing fuel line assembly |
| 09/19/1978 | US4114669 Sterile port structure |
| 09/19/1978 | US4114654 Tube plug |
| 09/19/1978 | US4114638 Safety connection device for interconnecting two piping elements |
| 09/12/1978 | US4113227 Cam lock with vertical plunger |
| 09/12/1978 | US4113006 Two-piece tube plug for repairing tubes in heat exchangers and the like |
| 09/12/1978 | US4112979 End cap for pipes |
| 09/12/1978 | US4112706 Apparatus for freezing a slug of liquid in a section of a large diameter fluid transmission line |
| 09/05/1978 | US4111234 Repair device for pipes |
| 09/05/1978 | US4111233 Water supply suspending implement with stopping piece |
| 09/05/1978 | US4111224 Water distribution system |
| 08/29/1978 | US4109944 Pipe coupling |
| 08/29/1978 | US4109756 High frequency diffusion muffler for gas jets |
| 08/29/1978 | US4109754 Noise absorber for air or gas flows |
| 08/29/1978 | US4109684 Method and apparatus for repairing leaks in water heaters |
| 08/29/1978 | US4109680 Plate type fluid distributing device |
| 08/29/1978 | CA1037398A1 Production of microorganisms by mixed culture on methane substate |
| 08/22/1978 | US4108279 Dispenser and method for applying lubricant or other material to the interior of a conduit |
| 08/22/1978 | US4108194 Method and apparatus for a tapered pipeline seal |
| 08/15/1978 | US4106541 Quick acting coupling |
| 08/15/1978 | US4106525 Fluid pressure control |
| 08/15/1978 | US4106171 Method for closure of heat pipes and device fabricated thereby |
| 08/08/1978 | US4105215 Well packer including combination anti-extrusion and segment ring actuating washer |
| 08/08/1978 | US4105048 High energy loss device |
| 08/01/1978 | USRE29714 Fluid flow restrictor |
| 08/01/1978 | US4103943 Pipe coupling |
| 08/01/1978 | US4103696 Control valve |
| 07/25/1978 | US4102465 Locking ring for pressure vessel and method of making the same |
| 07/25/1978 | US4102359 Noise suppressor |
| 07/18/1978 | US4100929 Across the line plugging apparatus and method |
| 07/11/1978 | US4099700 Flow control device for fluids flowing in a closed conduit |
| 07/11/1978 | US4099545 Large port pressure accumulator |
| 07/11/1978 | US4099536 Method and apparatus for controlling a surging flow in a closed conduit |
| 07/04/1978 | US4098590 Explosive gas pipeline |
| 07/04/1978 | US4098527 Tension bearing connector |
| 07/04/1978 | US4098438 Gasoline spill prevention system and apparatuses |
| 07/04/1978 | US4098374 Railroad classification yards |
| 07/04/1978 | US4098294 Flow control valve |
| 07/04/1978 | US4098293 Fluid pressure coupling arrangement |
| 07/04/1978 | US4098284 Safety device for gas supply pipe |
| 06/27/1978 | US4096997 Dual outlet check valve assembly |
| 06/27/1978 | US4096886 Clamp for repair of leaking underwater pipelines |
| 06/27/1978 | US4096885 Method for sealing leaking pipes and repair unit for use in the method |
| 06/20/1978 | US4095810 Gill-type tip protector for sealing open tubes and the like |
| 06/06/1978 | CA1032482A1 Calibration device for tubes with incorporated locking and nealing mechanism |
| 05/30/1978 | US4092002 Drip feed attachment to feed tubes |
| 05/30/1978 | US4091892 Phased treatment noise suppressor for acoustic duct applications |
| 05/30/1978 | US4091841 Pressure plug and method |
| 05/23/1978 | US4090688 Low pressure shutoff valve for fluid operated tool |
| 05/23/1978 | US4090657 Method and apparatus for repairing a radiator |
| 05/23/1978 | US4090534 Live gas main insertions |
| 05/23/1978 | US4090524 Frangible valved fitting |
| 05/16/1978 | US4089345 Discharge valve |
| 05/16/1978 | US4089343 Automatic flow control valve assembly |
| 05/09/1978 | US4088720 Method of forming castings in holes |
| 05/09/1978 | US4088154 Automatically controlled desurging system |
| 05/02/1978 | US4086934 Pipeline weld repair cap |
| 05/02/1978 | US4086806 Seal and actuator for pipe testing |
| 04/11/1978 | US4083384 Method and apparatus for injecting foam into a pipeline, including an inflatable plug |
| 04/11/1978 | US4083087 Flexible pipe clamp assembly |
| 04/04/1978 | CA1028923A1 Liquid line shock absorber |
| 03/28/1978 | US4080997 Flow straightener for a liquid flow |
| 03/28/1978 | US4080996 Pressure pulse dampener device |
| 03/28/1978 | US4080799 Mechanical pipe end seal/alignment device |
| 03/21/1978 | US4079754 Apparatus for eliminating noise in the flow of fluids |
| 03/21/1978 | US4079619 Apparatus and method for standardizing a pipeline pig detector |
| 03/14/1978 | US4078833 Testable pipe saddle |
| 03/14/1978 | US4078292 Transfer line exchanger inlet cone |
| 03/07/1978 | US4077610 Method and apparatus for passing an article through an interior of a pipe |
| 03/07/1978 | US4077435 Pipeline plugging apparatus |
| 03/07/1978 | US4077250 Pipe closure apparatus |
| 03/07/1978 | US4077080 Device for passing through pipelines |
| 02/21/1978 | USRE29546 Drip level irrigation |
| 02/21/1978 | US4074630 Methods and plugs to seal apertures in tube plates of heat exchangers provided with tube plates which are locally sealed with these methods and such plates |
| 02/21/1978 | US4074412 Method of repairing or reinforcing tubular plastic members |
| 02/14/1978 | US4073836 Wrapping wire, injecting sealant |
| 02/14/1978 | US4073303 Oil field pig launcher and receiver |
| 01/24/1978 | US4070045 Separable connection for conduit segments conveying a fluid under pressure |
| 01/24/1978 | US4069844 Pressure dampener device |
| 01/24/1978 | US4069686 Coupling for use in servicing air conditioning systems |
| 01/17/1978 | US4068684 Locking ring assembly for the liquid port of a pressure accumulator |
| 01/17/1978 | US4068683 High energy loss device |
| 01/10/1978 | US4067360 Valve for controlling an opening for the passage of fluid into and out of a pressure accumulator |
| 01/10/1978 | US4067349 Packer for testing and grouting conduits |
| 12/27/1977 | US4064912 Gas main stopper |
| 12/27/1977 | US4064911 Hydraulic fluid reservoir for a closed hydraulic system |
| 12/20/1977 | US4064211 Lining of passageways |
| 12/20/1977 | US4063827 Hand-held applicator device for applying a liquid lubricant to the end portion of a tube |
| 12/06/1977 | US4061161 Anti-extrusion grommet assembly for pressure accumulator liquid valve |
| 11/29/1977 | US4060100 Closure for cylindrical pipe |
| 11/22/1977 | US4059291 Branch connection |
| 11/15/1977 | US4058240 Automatic drain for compressed air systems |