| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 01/02/2013 | CN202647059U Half joint shell structure |
| 01/02/2013 | CN202647058U Pipe body fast anti-leakage structure |
| 01/02/2013 | CN202647057U Pressure-bearing leakage stoppage glue stick |
| 01/02/2013 | CN202647056U Pressure type spot restoring machine |
| 01/02/2013 | CN202647055U Rapid plug |
| 01/02/2013 | CN202647054U Easily detached end face plugging device for steel frame plastic composite pipe |
| 01/02/2013 | CN202647053U Throwing and impacting resisting limit piece for pipeline of nuclear power plant |
| 01/02/2013 | CN202647052U Pressure relief silencer |
| 01/02/2013 | CN202647051U Climbing-resisting cover for plane wall pipeline |
| 01/02/2013 | CN202647050U Novel air-release valve mainfold |
| 01/02/2013 | CN202647049U Temporary communicating pipe for oil flushing |
| 01/02/2013 | CN202647048U Steel ring |
| 01/02/2013 | CN202646972U Connecting sealing device of conveying pipeline |
| 01/02/2013 | CN202646854U Angle valve |
| 01/02/2013 | CN202646796U Energy-saving faucet |
| 01/02/2013 | CN202637777U Flame-insulation explosion-proof device and flame-insulation explosion-proof emergency system |
| 01/02/2013 | CN102859249A Slurry generation |
| 01/02/2013 | CN102859248A Damping arrangement |
| 01/02/2013 | CN102853207A Uphill safety security trolley arranged in self-walking pipeline |
| 01/02/2013 | CN102853206A Self propelled combined type pipeline inner engineering truck suitable for mountain construction |
| 01/02/2013 | CN102853205A Downhill safety guarantee car equipped in self-walking pipeline |
| 01/02/2013 | CN102853204A Online disconnecting and connecting method of heavy oil pipeline |
| 01/02/2013 | CN102853203A Oil pipeline leakage mending device |
| 01/02/2013 | CN102853202A Anti-skid rubber plug |
| 01/02/2013 | CN102853201A Monocyclic silencer |
| 01/02/2013 | CN102853200A Visual pipeline connector |
| 01/02/2013 | CN102853199A Cylinder pipe connection structure and cylinder pipe joint |
| 01/02/2013 | CN102853198A Method for mounting source-taking part of calorific value instrument on line |
| 01/02/2013 | CN102853194A Connecting pipe integrated joint |
| 01/02/2013 | CN102057206B Verifiable closing and locking system of a cylindrical passageway |
| 01/02/2013 | CN102052527B End hose of cantilever crane system, preparation method thereof and concrete transporting machine |
| 01/01/2013 | US8342578 Method and apparatus for connecting a hose to a fitting |
| 01/01/2013 | US8342210 Security cap with latch |
| 01/01/2013 | US8342209 Plug for fluid-transfer coupling device |
| 01/01/2013 | US8342200 Meter yoke vise |
| 12/27/2012 | US20120325359 Flexible magnetic core electronic marker |
| 12/27/2012 | US20120325358 Air duct |
| 12/27/2012 | US20120325357 Pipe clamp device |
| 12/27/2012 | US20120325356 Pulsation Attenuation |
| 12/27/2012 | US20120325335 Coupling for the releasable coupling of pipes |
| 12/27/2012 | US20120325323 Production system and method of varying restrictions to flow along the same |
| 12/27/2012 | US20120324660 Pipeline pig brush |
| 12/27/2012 | DE102011105593A1 Lining pipe, useful to renovate pipeline systems, comprises a fiber strip impregnated with an epoxy resin, where the epoxy resin is a epoxy resin, which is curable by photochemically initiated cationic polymerization process |
| 12/27/2012 | DE102011078106A1 Vorrichtung zur Sanierung von Rohrleitungen Apparatus for rehabilitation of pipelines |
| 12/27/2012 | DE102005025597B4 Verfahren und Vorrichtung zum Auskleiden einer Rohrleitung Method and apparatus for lining a pipeline |
| 12/26/2012 | CN202630730U Hot air radiator |
| 12/26/2012 | CN202630720U Distilled water collecting device for steam boiler |
| 12/26/2012 | CN202629478U Biomimetic robot capable of retractably avoiding obstacles |
| 12/26/2012 | CN202629477U Soft mobile miniature robot system inside pipeline |
| 12/26/2012 | CN202629476U Pipeline quick urgent-repair device without cutting off water supply |
| 12/26/2012 | CN202629475U Simple water-leakage-eye plugging device for heating pipe and water pipe |
| 12/26/2012 | CN202629474U Novel leakage stoppage pipe fitting |
| 12/26/2012 | CN202629473U Plugging cover for pipeline connection |
| 12/26/2012 | CN202629472U Trisection port dust-proof cover |
| 12/26/2012 | CN202629471U 水管堵头 Pipe plug |
| 12/26/2012 | CN202629470U Pipe fitting pressure test used plug |
| 12/26/2012 | CN202629469U Concrete filling device applied in inner lining equipment |
| 12/26/2012 | CN202629468U Combined plug valve |
| 12/26/2012 | CN202629467U Cylinder pipeline structure on lifting equipment |
| 12/26/2012 | CN202629466U Novel water tap |
| 12/26/2012 | CN202629465U Buffer tank |
| 12/26/2012 | CN202629464U Flow limiting device of double-layer structure |
| 12/26/2012 | CN202629463U Observation window for main conveying pipe of grain elevator |
| 12/26/2012 | CN202629458U Double-layer drainage silencing pipe fitting |
| 12/26/2012 | CN202629373U Splitting pipe for grain hoister |
| 12/26/2012 | CN202629202U Ground safety valve |
| 12/26/2012 | CN202628738U 多功能塑料螺母 Multifunction plastic nuts |
| 12/26/2012 | CN202628228U Strong magnetic joint |
| 12/26/2012 | CN102840420A Novel coalescence descaling method |
| 12/26/2012 | CN102840419A Closed switching device for chemical preparation |
| 12/26/2012 | CN102840418A Leaking stoppage device |
| 12/26/2012 | CN102840417A Bivalve anti-blocking efficient liquid controller |
| 12/26/2012 | CN102840416A 漏液保护装置 Leakage protection device |
| 12/26/2012 | CN102840415A Waste overflowing material pipe with rubber movable cover plate |
| 12/26/2012 | CN102840414A Storage plate for pipeline maintenance |
| 12/25/2012 | US8336918 Electrically driven connector |
| 12/25/2012 | US8336853 Recock handle assemblies for coupler devices and coupler devices comprising the same |
| 12/23/2012 | CA2744374A1 Piezoelectric membrane |
| 12/20/2012 | WO2012172881A1 Resin tube for guide wire, method for manufacturing resin tube for guide wire, and guide wire |
| 12/20/2012 | WO2012171091A1 Method and system for iν-situ visual inspection of a valve |
| 12/20/2012 | US20120321391 Center hole ram cable puller |
| 12/20/2012 | US20120321371 Fastener mechanism |
| 12/20/2012 | US20120319396 Apparatus and methods for splicing conduits and hoses subsea |
| 12/20/2012 | US20120318396 Pipe Sealing Tool with External and Internal Clamp |
| 12/20/2012 | US20120318395 Flexible conduit for use in fresh air intake and gas vapor outlet incorporated into a vehicle fuel tank to eliminate whistling within the conduit |
| 12/20/2012 | DE102011105203A1 Insert piece i.e. locking screw, for insertion into threaded hole of electric motor transmission, has shaft-sided contact surface designed for contact of sealing ring and directly passed into outer surface of flange from outside |
| 12/20/2012 | DE102008008296B4 Verfahren und ferngesteuerte Vorrichtung für Rohrinnenarbeiten Method and apparatus for remote-controlled internal pipe work |
| 12/20/2012 | CA2836306A1 Method and system for in-situ visual inspection of a valve |
| 12/19/2012 | EP2534403A2 Method of maintaining a pipeline |
| 12/19/2012 | EP2533831A1 Flow pulsatility dampening devices |
| 12/19/2012 | CN202612966U Anti-deformation tool used in hot-melting socket welding of thin-wall plastic pipe |
| 12/19/2012 | CN202612845U Bleeder connecting component |
| 12/19/2012 | CN202612702U Polypropylene (PP-R) pipe magnetic locking temperature measurement ball valve |
| 12/19/2012 | CN202611930U Novel oil tube |
| 12/19/2012 | CN102829282A Balancing device for balancing airflow in gas channel |
| 12/19/2012 | CN102829281A Underwater Hydrocarbon transport pipeline and temperature control device |
| 12/19/2012 | CN101813043B Pulsation reducing apparatus |
| 12/18/2012 | US8333219 Plug for setting in a pipe |
| 12/13/2012 | WO2012170747A1 Plug with pressure release valve |
| 12/13/2012 | WO2012168736A1 Leak detection apparatus and plug for use with leak detection apparatus |