Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
12/2012
12/13/2012WO2012167380A1 Robotic apparatus for automated internal pipeline girth weld ultrasonic inspection
12/13/2012US20120313367 Tightness-indicating tube fitting
12/13/2012US20120312407 Lining element and method of manufacturing a lining element
12/13/2012US20120311982 Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing exhaust gas purifying apparatus
12/13/2012DE102012104920A1 Einrichtung zur axialen Verbindung von Rohren Means for axially connecting pipes
12/13/2012CA2840718A1 Plug with pressure release valve
12/13/2012CA2838608A1 Robotic apparatus for automated internal pipeline girth weld ultrasonic inspection
12/12/2012EP2531768A2 Method and apparatus for mitigating undesired fluid vibration
12/12/2012EP2531426A1 Pipeline conveyor systems
12/12/2012CN202599626U Bellows interlayer monitoring and alarm device
12/12/2012CN202598023U Variable-diameter wheel type pipeline robot
12/12/2012CN202598022U Novel temperature-reduction and pressure-reduction system
12/12/2012CN202598021U High-pressure tapping machine with pressure balancing mechanism
12/12/2012CN202598020U Pipeline quick leaking stoppage device using winding sealing filler
12/12/2012CN202598019U Pipe jacket
12/12/2012CN202598018U Waterproof rubber plugging device of pipelines
12/12/2012CN202598017U Bleeding type pipeline plug
12/12/2012CN202598016U Plastic drainage pipeline enclosing structure
12/12/2012CN202598015U Bell and spigot male ball valve
12/12/2012CN202598014U Socket and spigot ball valve
12/12/2012CN202598013U Thawing machine return duct device
12/12/2012CN202598012U Micro-spraying-pipe water leakage-proof valve
12/12/2012CN202598011U Diffusing system of gas pipeline
12/12/2012CN202598010U Water hammer prevention device and water hammer prevention unit
12/12/2012CN202598009U Multi-level composite natural gas ventilating silencing device
12/12/2012CN202598008U Pipeline distribution structure for integrated valve mounting plate
12/12/2012CN202598007U Convenient-to-inspect pipeline device
12/12/2012CN202598006U Miniature light inlet window for underground pipe rack
12/12/2012CN202598005U Heating device with pilot-operated pressure regulating valve
12/12/2012CN202598004U Pilot-operated pressure regulating valve heating system with over-voltage protection
12/12/2012CN202590480U Filtering pipe and fluid pipeline using same
12/12/2012CN102821932A Lining material for rehabilitating existing pipe and method for rehabilitating existing pipe using same
12/12/2012CN102818095A Valve used for gas PE (Poly Ethylene) pipe
12/12/2012CN102011907B Automatic assembly machine for straight pipe flange
12/12/2012CN101581392B Fast joint component and unidirectional sealing joint thereof
12/12/2012CN101514776B Method for permanent pressure leak stopping
12/11/2012US8328468 Pipe splitting apparatus with replaceable blade
12/11/2012US8327886 Conduit repair structure
12/09/2012CA2742579A1 Pipeline reflectometry apparatuses and methods field
12/06/2012WO2012165825A2 Floating-type pipe probe
12/06/2012WO2012165824A2 System for inserting a mapping probe into, and for withdrawing said mapping probe from a conduit line, and method of transporting the mapping probe by using the system
12/06/2012WO2012163858A1 Process for lining metal pipelines
12/06/2012WO2012162780A1 Flow control for large diameter conduits
12/06/2012US20120306193 Combination coupling
12/06/2012US20120306192 Repair coupling for piping systems
12/06/2012US20120306191 Split fitting for pipe
12/06/2012US20120305319 Safety joint with indicating feature
12/06/2012US20120305121 Fiberboard tube and closure assembly
12/06/2012US20120305120 Pressure-compensated accumulator bottle
12/06/2012US20120305096 Near-field wireless powered solenoid valve
12/06/2012DE102012207402A1 Vorrichtung zur Schwingungsdämpfung und Drehmomentbegrenzung A device for vibration damping and torque limiting
12/06/2012CA2836110A1 Process for lining metal pipelines
12/06/2012CA2833417A1 Flow control for large diameter conduits
12/05/2012EP2529142A1 Apparatus and method for repairing damaged pipes
12/05/2012CN202580477U Spiral pipe robot
12/05/2012CN202580476U Reducing-type half joint gasket
12/05/2012CN202580475U Pressurized plugging clamp for irregular flange
12/05/2012CN202580474U Quick type straight pipe pressed leakage stoppage clamp
12/05/2012CN202580473U Medium and large-size irregular flange high-temperature and high-pressure leakage blockage clamp
12/05/2012CN202580472U Pressure seal fixture with concave-convex groove structure
12/05/2012CN202580471U High-pressure leaking stoppage clamp of local large straight pipe
12/05/2012CN202580470U Ejecting injection fixture
12/05/2012CN202580469U Partial plugging clamp for straight pipe
12/05/2012CN202580468U Pressurized leakage stoppage device for pipeline
12/05/2012CN202580467U Pipe breakage rapid repair auxiliary device
12/05/2012CN202580466U Rubber mending device for pipelines
12/05/2012CN202580465U Sealing gasket for half joint
12/05/2012CN202580464U Open-loop half joint sealing gasket
12/05/2012CN202580463U Half joint sealing gasket
12/05/2012CN202580462U Electrified pressure seal clamp for oil charged electrical equipment
12/05/2012CN202580461U Pressure sealing structure for high-pressure fluid pipeline
12/05/2012CN202580460U Pressurized plugging clamp
12/05/2012CN202580459U Local flange leakage stopping fixture
12/05/2012CN202580458U Manual-operated screw injection gun
12/05/2012CN202580457U Seal door installed at mouth of pipe or opening of container
12/05/2012CN202580456U Aspartame conveying pipe
12/05/2012CN202580455U Inner pipe regulating valve of slow cooling kiln
12/05/2012CN202580454U Buffer tank with built-in air bag
12/05/2012CN202580453U Water hammer buffering air bag
12/05/2012CN202580452U Blowout prevention and leakage prevention cover case arranged on conveying pipeline
12/05/2012CN202580451U Ship oil path protection device and mandrel for processing protection sleeve
12/05/2012CN202580450U Novel anti-seepage inspection structure of precast pipe galleries
12/05/2012CN202580449U Scale removing device for underground water return pipeline
12/05/2012CN202580403U Throttling connector
12/05/2012CN202569756U Water residue filtration cleaning device for pressure water supply pipeline
12/05/2012CN102812281A Method for precisely and reliably controlling liquid level of pressure tank with multiple sensors
12/05/2012CN102811931A Pipeline conveyor systems
12/05/2012CN102809021A Bidirectional climbing pipe/rod mechanism
12/05/2012CN102809020A Split fitting for pipe
12/05/2012CN102809019A Graphite corrosion resistant leaking stoppage tongs
12/05/2012CN102809018A Pipe orifice seal device for pipe hydraulic test
12/05/2012CN102261538B Online repair method of gas pipe corrugation compensator
12/05/2012CN101666413B Mechanical pipeline under-pressure blocker and blocking method thereof
12/04/2012US8322367 Chemical delivery system
12/02/2012CA2742220A1 Pressurized drain trap priming system
12/01/2012CA2778575A1 Hydraulically installed tube plug, tube plug installation tooling, and installation system and method
11/2012
11/29/2012WO2012161774A1 Composition comprising cyclic secondary amine and methods of coating drinking water pipelines
11/29/2012WO2012160419A1 A pipe end plug and method of closing off a pipe end
11/29/2012WO2012160219A1 System for securing noise dampers to a fan casing
11/29/2012WO2012159702A1 Tubular liner for rehabilitating defective sewers
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