| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 03/20/2013 | EP2570223A1 Method of purging air from a structure to be welded using liquid cryogen |
| 03/20/2013 | EP2569581A1 Attenuating section for sound attenuator in air conditioning duct and sound attenuator for air conditioning duct |
| 03/20/2013 | EP2569139A2 System and method for repairing and strengthening pipe with internal helically wound tensile reinforcement |
| 03/20/2013 | CN202812658U Water-proof support for heat preservation |
| 03/20/2013 | CN202812650U Removing device of oil robbing clamp in crude oil pipeline |
| 03/20/2013 | CN202812649U Pressure plugging device of steam and water pipe |
| 03/20/2013 | CN202812648U Portable quick leakage plugging set for liquid chlorine pipeline |
| 03/20/2013 | CN202812647U Novel plugging device |
| 03/20/2013 | CN202812646U Flaring plug for pipeline |
| 03/20/2013 | CN202812645U Construction pipeline plug |
| 03/20/2013 | CN202812644U Novel downward plugging device |
| 03/20/2013 | CN202812643U Pressure loading diversion valve |
| 03/20/2013 | CN202812642U Water purifier with turnable tap |
| 03/20/2013 | CN202812641U Novel pneumatic built-in solution storage container pipeline blowoff valve |
| 03/20/2013 | CN202812640U Exhaust plug and pipeline with same |
| 03/20/2013 | CN202812639U High-pressure-resistant component of quick joint |
| 03/20/2013 | CN202812638U Impedance silencer |
| 03/20/2013 | CN202812637U Slow-releasing pressure relief device for industry water pipe |
| 03/20/2013 | CN202812636U Noise reduction device for outlet of ship drainage pipeline |
| 03/20/2013 | CN202812635U Multi-functional pipe fitting |
| 03/20/2013 | CN202812634U Tensile splash-proof belt for pipeline |
| 03/20/2013 | CN202812633U Splash-proof band for security protection of pipeline |
| 03/20/2013 | CN202812617U Silencing vertical pipe inspection opening |
| 03/20/2013 | CN202812613U Short distance water absorbing connecting tube |
| 03/20/2013 | CN202812600U Sealing pipe fitting joint |
| 03/20/2013 | CN202812598U Civil negative pressure oil change connection transfer pipe |
| 03/20/2013 | CN202812597U Multipurpose simple water and oil absorbing pipe |
| 03/20/2013 | CN202812570U Air pressure type energy-saving oil and water absorbing device |
| 03/20/2013 | CN202812569U Pressurizing and dirt-removing oil absorption pipeline |
| 03/20/2013 | CN202812568U Combined multi-joint water exchanger |
| 03/20/2013 | CN202812368U Four-valve manifold |
| 03/20/2013 | CN202811898U Clutch pipe for hydraulic release bearing |
| 03/20/2013 | CN202809655U Manhole with filter element |
| 03/20/2013 | CN102985746A Pipe thread protector |
| 03/20/2013 | CN102985742A Mounting apparatus and system thereof |
| 03/20/2013 | CN102979989A High-precision peristaltic pipeline crawl device and control method thereof |
| 03/20/2013 | CN102979988A Initiative-driving spiral pipeline robot |
| 03/20/2013 | CN102979987A Reciprocating sliding block with unidirectional damping |
| 03/20/2013 | CN102979986A Muffling and antistaticAntistatic exhaust nozzle capable of muffling |
| 03/20/2013 | CN102979985A Controllable-temperature delivery pipe |
| 03/20/2013 | CN102978955A Pressurized gasbag of pipeline repair reinforcing layer as well as preparation method and application thereof |
| 03/20/2013 | CN102975783A Single-wheel type robot used for climbing outside pipe |
| 03/20/2013 | CN102200212B Integrated working machine for non-excavation pipeline |
| 03/20/2013 | CN101848800B Process for lining a pipeline or a duct |
| 03/19/2013 | US8397764 Safety cap for couplings and fittings |
| 03/19/2013 | US8397752 Process for fabricating integral plastic faucet member and finished product thereof |
| 03/19/2013 | CA2635725C Pipeline leak detection system |
| 03/19/2013 | CA2595321C A clamp, self-advancing climbing device, and method of coupling same to a tubular |
| 03/19/2013 | CA2552675C Fluid trim apparatus and method |
| 03/18/2013 | DE202013001901U1 Kanalrohrroboter Sewer pipe robot |
| 03/14/2013 | US20130061971 Protective liner with wear detection |
| 03/14/2013 | US20130061970 Multi-layered patch system and method |
| 03/14/2013 | US20130061946 Digital hydraulic system |
| 03/14/2013 | US20130061937 Temperature compensated accumulator |
| 03/14/2013 | DE102011113264A1 Auskleidungsschlauch für die Sanierung von fluidführenden Leitungssystemen Liner bag for the rehabilitation of fluid carrying conduit systems |
| 03/13/2013 | EP2567140A2 Pipe thread protector |
| 03/13/2013 | EP2567139A1 Method and arrangement for treatment of liner sleeve |
| 03/13/2013 | EP2567137A1 Coupling device; line path and line end seciton |
| 03/13/2013 | EP2567135A2 Connector assembly |
| 03/13/2013 | CN202795075U Quantitative control device for releasing high-pressure fluid |
| 03/13/2013 | CN202791157U Pipeline attemperator |
| 03/13/2013 | CN202791145U Pipeline anti-condensation device |
| 03/13/2013 | CN202791144U Device for reducing abrasion to oxide pipeline due to acid regeneration iron oxide powder |
| 03/13/2013 | CN202791143U Pipe clamp for repairing gas pipe |
| 03/13/2013 | CN202791142U Leakage stoppage device for leaking hole in oil pipeline |
| 03/13/2013 | CN202791141U Simple leakage-blockage pipe clamp |
| 03/13/2013 | CN202791140U Oil robbing clamp rectifying and reforming device |
| 03/13/2013 | CN202791139U Gas pipeline leakage repairing device utilizing bolt set |
| 03/13/2013 | CN202791138U Pipeline rush-repair quick coupling |
| 03/13/2013 | CN202791137U Diversion type leak stopper under pressure |
| 03/13/2013 | CN202791136U Sealing plug structure |
| 03/13/2013 | CN202791135U Sealing plug structure |
| 03/13/2013 | CN202791134U Plug device of water inlet pipe and water outlet pipe of automobile radiator |
| 03/13/2013 | CN202791133U Inflatable plugging device |
| 03/13/2013 | CN202791132U Portable pressure-maintaining releasing device |
| 03/13/2013 | CN202791131U Inclined water discharging device |
| 03/13/2013 | CN202791130U Pressure-reduction noise-reduction exhaust duct |
| 03/13/2013 | CN202791129U Metal acoustic enclosure for petrochemical device pipeline |
| 03/13/2013 | CN202791128U Boiler platen superheater dewatering energy dissipator |
| 03/13/2013 | CN202791127U Pipeline pig receiving and buffering system |
| 03/13/2013 | CN202791126U Water pipe elbow mounting case |
| 03/13/2013 | CN202791125U Chemical feeding device for pneumatic control pipe line of drilling equipment |
| 03/13/2013 | CN202791124U Spillage preventing device of ore pulp transportation falling pipe |
| 03/13/2013 | CN202791123U Explosion-proof equipment for vacuum system in sapphire equipment |
| 03/13/2013 | CN202791122U Storage plate for pipeline maintenance |
| 03/13/2013 | CN202791121U Heat-insulation rainhat |
| 03/13/2013 | CN202791120U Device preventing pipeline fluids from splashing |
| 03/13/2013 | CN202791082U Draining, exhausting and manhole combined tee joint prefabricated pipe section for water conveying main pipe |
| 03/13/2013 | CN202790993U Prestressed pipe structure with wire breaking monitoring function |
| 03/13/2013 | CN202790966U Buffer pipeline |
| 03/13/2013 | CN202790797U Pipeline dredge valve |
| 03/13/2013 | CN1917934B Filtration element and method of constructing a filtration assembly |
| 03/13/2013 | CN102971090A Cleaning assembly for endotracheal tube |
| 03/13/2013 | CN102966233A Multifunctional sleeve pipe |
| 03/13/2013 | CN101532600B Method for leak stoppage of solid expansion pipe |
| 03/13/2013 | CN101493172B Vibration damper |
| 03/12/2013 | US8393351 Dual automatic dryer and washing machine protective basin |
| 03/12/2013 | CA2545565C Device which is expandable to engage the interior of a tube |
| 03/12/2013 | CA2480534C Device for moving a pig through a conduit, such as a pipeline |
| 03/07/2013 | WO2013031948A1 Plug for connector |