| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 01/01/2014 | CN103486396A Four-way sealing pipe connector |
| 01/01/2014 | CN103486395A Connecting pipe set device |
| 01/01/2014 | CN103486394A Variable-frequency microperforated pipe silencer with variable perforation section lengths |
| 01/01/2014 | CN103486346A 多功能塑胶管 Multifunction Plastic Pipe |
| 01/01/2014 | CN103480195A Cast three-piece symmetrical floating-ball elastic-seal duplex switchable filter |
| 01/01/2014 | CN102927451B Method for detecting tiny leakage of oil transmission pipeline |
| 01/01/2014 | CN102705632B Bionic robot capable of extending to avoid obstacles |
| 01/01/2014 | CN102606844B Heating pipe sleeve |
| 12/31/2013 | US8617482 Maintaining sterile conditions in a fluid transportation system |
| 12/31/2013 | US8616432 Welding purge dam for high air flow environment |
| 12/31/2013 | US8616210 Ports cap for mask assembly |
| 12/31/2013 | US8616074 In-line piggable wye fitting, apparatus and method |
| 12/27/2013 | WO2013192145A1 Leak diverter assembly for substation transformers |
| 12/27/2013 | WO2013190282A2 Repair of pipes and pipelines |
| 12/27/2013 | WO2013190183A1 Weighted pipe assembly and a method of weighting collector pipes |
| 12/27/2013 | WO2013189851A1 Searching for plugs in pipe systems |
| 12/27/2013 | WO2013189267A1 Water inlet valve provided with silencing function |
| 12/27/2013 | WO2013164399A3 Method and apparatus for cleaning a pipe length |
| 12/27/2013 | CA2877313A1 Leak diverter assembly for substation transformers |
| 12/27/2013 | CA2848093A1 Breather cap assembly |
| 12/27/2013 | CA2820750A1 Pig receiver assembly |
| 12/27/2013 | CA2788371A1 Breather cap assembly |
| 12/26/2013 | US20130341910 Coupling for a Plug-In Connection |
| 12/26/2013 | US20130341908 Loading arm counterbalance adjustment mechanism |
| 12/26/2013 | US20130341021 Leak diverter assembly for substation transformers |
| 12/25/2013 | EP2677226A1 Search for plugs in pipe systems |
| 12/25/2013 | EP2676063A1 Valve for liquid vessels |
| 12/25/2013 | CN203363531U Oil nipple device for fire-fighting material production |
| 12/25/2013 | CN203363530U Device for replacing sealing gasket of flange joint of vertical pipeline |
| 12/25/2013 | CN203363529U Concrete pipe repairing device of water supply prestress steel cylinder |
| 12/25/2013 | CN203363528U Leakage stopper suitable for leakage of pipeline flange |
| 12/25/2013 | CN203363527U Temporary leakage blocking device for pipeline |
| 12/25/2013 | CN203363526U Tool for boiler pipe plugging |
| 12/25/2013 | CN203363525U Rapid sealing plug for polyethylene gas pipelines |
| 12/25/2013 | CN203363524U Water-stopping device, water-stopping system and mold |
| 12/25/2013 | CN203363523U Curved tube pressure balancing expansion joint |
| 12/25/2013 | CN203363522U Honeycomb fluid regulator |
| 12/25/2013 | CN203363521U Anti-oil spillage collecting cover for submarine pipeline |
| 12/25/2013 | CN203363520U One-way lock catch device |
| 12/25/2013 | CN203363510U Pipe connecting bend with filtering mechanisms |
| 12/25/2013 | CN203363501U Split-type T-joint pipe |
| 12/25/2013 | CN203363461U Connector used for connecting pipelines |
| 12/25/2013 | CN203363438U Environment-friendly type nanoscale antibacterial muffling wind pipe |
| 12/25/2013 | CN203363307U One-way throttling valve and one-way throttling pipeline |
| 12/25/2013 | CN203363140U Hollow pipe sealing device |
| 12/25/2013 | CN103470916A Protective structure and protective method for copper and aluminum welding points |
| 12/25/2013 | CN103470910A On-line winding machine for pipeline |
| 12/25/2013 | CN103470909A Pipeline weld detecting device applied to agricultural irrigation field |
| 12/25/2013 | CN103470908A Isolation sleeve device used for submarine pipeline inservice permanent repair |
| 12/25/2013 | CN103470907A Improved double block and bleed plug |
| 12/25/2013 | CN103470906A Water stop cock |
| 12/25/2013 | CN103470905A One-way pipe |
| 12/25/2013 | CN103470904A Self-sealing flow limit orifice plate |
| 12/25/2013 | CN103470903A Speed reducing pipe |
| 12/25/2013 | CN103470902A Dynamic vibration absorber capable of reducing vibration of pipelines and method for designing dynamic vibration absorber |
| 12/25/2013 | CN103470901A Hydrophone installation seat |
| 12/25/2013 | CN103470887A Leakage protection device for ultralow-temperature liquid at flange joint |
| 12/25/2013 | CN103470787A Steel pipe with flow adjusting valve |
| 12/25/2013 | CN102084085B Wellbore system |
| 12/24/2013 | US8613291 Apparatus for repairing and upgrading pipes |
| 12/24/2013 | DE102008027477B4 Vorrichtung zur Inspektion eines Kanals für Rohrleitungen und/oder Kabel Apparatus for inspecting a channel for pipes and / or cables |
| 12/21/2013 | CA2780546A1 Tubular downhole patch for sealing a leak in the casing of a well |
| 12/19/2013 | WO2013186595A1 Precast concrete facilities for pipeline valves |
| 12/19/2013 | US20130334453 Valve wear ring and gate valve with wear ring |
| 12/19/2013 | US20130333789 Apparatus with a liquid-impregnated surface to facilitate material conveyance |
| 12/18/2013 | EP2674655A2 Pipe clamp with seal holding device |
| 12/18/2013 | EP2674280A1 Tube making apparatus, and tube making method |
| 12/18/2013 | EP2673546A1 Closure element for internally pressurized bores in components |
| 12/18/2013 | CN203348827U Novel leakage plugging device |
| 12/18/2013 | CN203348826U Local repairing device of large-caliber drainage pipeline |
| 12/18/2013 | CN203348825U Non-excavating lining repairing and renovating device for pipeline |
| 12/18/2013 | CN203348824U Gas pipeline insulating flange pressure leakage-blocking device |
| 12/18/2013 | CN203348823U Expansion-type plugging device |
| 12/18/2013 | CN203348822U Inside-pipe sealing leakage testing plug |
| 12/18/2013 | CN203348821U Cock type blocking device |
| 12/18/2013 | CN203348820U Sound-insulating vibration-reducing structure for indoor drain pipe |
| 12/18/2013 | CN103459911A Valve for liquid vessels |
| 12/18/2013 | CN103459905A Valve insert |
| 12/18/2013 | CN103459856A 液压减震器 Hydraulic shock absorbers |
| 12/18/2013 | CN103454099A Pipe blockage detecting device for paste filling pipelines |
| 12/18/2013 | CN103453320A Fluid pipeline equipped with flow monitor |
| 12/18/2013 | CN103453278A Water press high-universality sealing head mechanism capable of fast replacing lower sealing body assembly |
| 12/18/2013 | CN103453277A Valve for being assembled in flow channel of air conditioning equipment |
| 12/18/2013 | CN103453276A Vortex-induced vibration suppression device with tail rotor rotatable separating disc and method |
| 12/18/2013 | CN103453275A Oil production spherical air dome and air dome material thereof |
| 12/18/2013 | CN103453274A Fluid pipe with built-in electronic probe |
| 12/18/2013 | CN103453273A Water pipeline with trace element detection device |
| 12/18/2013 | CN103448825A Telescopic and insertable moving mechanism |
| 12/18/2013 | CN102628466B Pipeline |
| 12/18/2013 | CN102196884B Self-aligning utility autocoupler |
| 12/17/2013 | US8607814 Active pipe cutoff valve installation assembly |
| 12/17/2013 | US8607746 Cooling system expansion tank |
| 12/17/2013 | CA2685294C Boiler tube inspection probe with centering mechanism and method of operating the same |
| 12/17/2013 | CA2596609C Method for reducing digital data in an emat pig |
| 12/16/2013 | DE202013104773U1 Spritzschutzband Splash guard band |
| 12/12/2013 | WO2013184911A1 Apparatus and method for sealing pipes and underground structures |
| 12/12/2013 | WO2013184790A1 Interchangeable flow restricting orifice for clamshell coupler |
| 12/12/2013 | WO2013183598A1 Drainage structure for gas outlet region in fuel cell stack |
| 12/12/2013 | WO2013182831A1 Device and method for repairing an elongate body |
| 12/12/2013 | WO2013182764A1 Plug for a fluid coupling, corresponding valve, bottle and filling method |