Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
08/2003
08/28/2003US20030161689 Underwater tool
08/28/2003US20030160391 Duct leakage control
08/28/2003US20030160136 Muffler hanger
08/28/2003US20030159776 Apparatus for and method of lining passageways
08/28/2003US20030159743 Serially connected fluid hammer preventer
08/28/2003US20030159733 Lined pipe annular venting device
08/28/2003DE20219513U1 Special bend-accessible packer has manufactured head piece and end piece cut and turned from aluminum or stainless steel, and in relation to normal packers are shortened by at least 60 per cent in size
08/27/2003EP1338838A1 Clamp for tubular piping
08/27/2003EP1171734B1 Device and method for inspecting hollow spaces
08/27/2003CN2569008Y Shunt muffle and air conditioner using same
08/27/2003CN2568922Y Multi-segment clamping band type quick opening blankoff plate
08/27/2003CN1438910A Filter part for flnid pipes
08/27/2003CN1438393A Water-rotating type water-discharging pipe
08/21/2003WO2003069212A1 Shell assemblies for encircling tubular members
08/21/2003WO2003069211A1 Method for lining a pipe or main
08/21/2003US20030156904 Method and apparatus for the maintenance of pipelines
08/21/2003US20030155027 Composite interference pulsation dampener
08/21/2003US20030155026 Asymmetrical interference pulsation dampener
08/21/2003CA2472764A1 Shell assemblies for encircling tubular members
08/20/2003EP1336792A1 Pipeline pig with piston propulsion system
08/20/2003EP1336791A1 Serially connected fluid hammer preventer
08/20/2003EP1336063A1 Universal support and vibration isolator
08/20/2003EP1335802A1 Safety coupling
08/20/2003CN2567430Y Plug end frame for cast tube inner wall covering
08/20/2003CN1437675A Apparatus for and method of lining passageways
08/20/2003CN1118659C Pipe joint
08/20/2003CN1118514C Special denudation repairing agent for modified ABS
08/19/2003US6607432 Air duct
08/14/2003WO2003067147A1 Pipe loop for continuous transport of hydrocarbons from a subsea installation, without flow disturbances while conducting piggin or fluid control operations
08/14/2003WO2003067134A2 An apparatus for pipeline isolation
08/14/2003US20030152428 Method and apparatus for on-grade boring
08/14/2003US20030151297 Apparatus for assembling a liner
08/14/2003US20030151204 Process and device for sealing or reducing holes, and connecting holes with a tube end
08/14/2003US20030150501 Made of polyamide 11 or polyamide 12
08/14/2003US20030150351 Robotic internal gauge with contact at right angles to the oil pipeline
08/14/2003US20030150285 Method of inspecting district heating pipes
08/14/2003DE20307821U1 Chimney flue or process air exhaust pipe has silencer section with identical interface fittings
08/14/2003DE10201501C1 Method for repairing plastic pipes comprises cutting the pipe on either side of leaking section, inserting metal sleeve with outer plastic coating and heating metal sleeve by induction so that plastic coating melts and forms seal
08/14/2003CA2475585A1 An apparatus for pipeline isolation
08/13/2003EP1208323B1 Textile tubing
08/12/2003US6604715 Extruded acoustic pipe support
08/12/2003US6604549 Device for fixing a tubular element in an inaccessible cavity
08/07/2003DE10221570C1 Compound sleeve for cladding pipeline has metal tube acting as inner blocking layer enclosed by outer plastics mantle
08/07/2003DE10217080C1 Hydraulic damper for pumps supplying polymer to injection molding machines has damping pipe with branch slits in its walls fitted with mouthpieces which have conical bores whose wider ends face outwards
08/06/2003EP1333221A2 Inspecting method for a heating canalisation system
08/06/2003EP1171735B1 Apparatus for propulsion in oblong cavities
08/06/2003CN2564836Y Composite leak stopper for pipeline
08/06/2003CN2564835Y Temporary plugging device for large diameter pipeline
08/06/2003CN1434910A Fast opening and closing access door for pipes and contains
08/06/2003CN1434236A Block unit for repairing flow passage facillities and method of repairing flow passage facilities
08/06/2003CN1117239C Flow channel wall and making method thereof
08/05/2003US6602025 Process for lining canals, ditches and pipes with a non-sagging polyurethane/geofabric composite
08/05/2003US6601802 Method for making extruded acoustic pipe support
08/05/2003CA2418323A1 Process for inspecting municipal heating pipes
07/2003
07/31/2003WO2003062697A1 Interlocked strip structure
07/31/2003WO2003062696A1 Energy-of-reserving water-hammer eliminating device
07/31/2003WO2003062695A1 Fitting
07/31/2003WO2003034158A3 Autonomous robotic crawler for in-pipe inspection
07/31/2003US20030143088 Fluid-pumping system employing air-driven pump and employing at least one pulsation dampener
07/31/2003US20030141716 Method and apparatus for repairing a water main break
07/31/2003DE20204658U1 Shut-off valve for central heating or air conditioning system has sloping groove) in its casing, valve body having pin mounted on it whose end slides along groove when it is turned, raising and lowering it
07/31/2003CA2472781A1 Interlocked strip structure
07/31/2003CA2456326A1 Fitting
07/30/2003CN2563400Y Anti-block regulator for dirt and wet gas
07/29/2003US6598412 Interchangeable adapters for pipe freezer apparatus
07/24/2003WO2003060282A2 Method and apparatus for replacement of underground pipe
07/24/2003US20030138558 Method and apparatus for duct sealing using a clog-resistant insertable injector
07/24/2003US20030138298 Method for rehabilitating conduits
07/24/2003US20030136455 Block unit for repairing flow passage facilities and method of repairing flow passage facilities
07/24/2003US20030135962 Fabricated steel lug pipe repair clamp
07/23/2003EP1078186B1 Safety contrivance for gas-using device
07/23/2003EP1011881B1 An improved cup or disc for use as a part of a pipeline pig
07/23/2003CN2562029Y Convenient pipe stopper
07/22/2003US6596089 Subsea pig launcher piston pig
07/22/2003US6595551 Break-away lock for a fire hydrant water meter
07/22/2003US6595484 Wall structure having a deformable multi-walled area for varying a cross section of a flow channel
07/22/2003US6595243 Swimming pool plumbing water/debris barrier device and method
07/22/2003US6595242 Tear-out coupling with embedded wire
07/22/2003CA2262118C Material and method for lining pipes
07/22/2003CA2245062C Liner strip for pipelines or tunnels
07/17/2003US20030133757 Inflatable underground structure liner
07/17/2003US20030132634 Intake system for central vacuum cleaner
07/17/2003DE10229964C1 Blocking device for pressurized medium line uses 2 diagonally opposing circular segment closure elements
07/17/2003DE10228687C1 Underground pipeline repair method has sealing material supplied to leakage point after application of packer
07/17/2003DE10204776C1 Pipeline sealing method has different components of sealing material supplied from respective deformable supply containers upon supplying pressure medium to rigid pressure cell
07/16/2003EP1327409A1 Intake system for central vacuum cleaner
07/16/2003EP1327098A1 Device for expanding a pipeline
07/16/2003EP1327093A1 Lined pipeline vent
07/16/2003CA2412127A1 Hub seal firestop device
07/15/2003US6592955 Thermoplastic hollow molded body
07/15/2003US6591870 Energy attenuation restrictor device and method of forming such restrictor device
07/15/2003US6591859 Ball valve
07/10/2003WO2003056228A1 A fluid flow controller
07/10/2003WO2003056223A2 Sound absorbing device in a pipe duct
07/10/2003US20030127457 Cap lock assembly and system
07/10/2003US20030126828 Method of reinforcing structures
07/10/2003DE20304317U1 Jig for welding plastic pipe branche involves internal collapsible support plate held open by spring-loaded chains
07/10/2003CA2471818A1 Fluid flow controller
07/09/2003EP1325259A2 A member for removably closing a cylindrical opening
07/09/2003EP1324827A2 Microplate sample and reagent loading system