Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
06/2001
06/21/2001CA2394441A1 Backflow preventer assembly
06/20/2001EP1108944A2 Freezing head for pipe freezing devices
06/20/2001EP1108524A1 Method and apparatus for lining a conduit
06/20/2001EP0897508B1 Air duct, in particular for a motor vehicle, and method for mounting the same
06/20/2001CN2435192Y Pressure leak-stopping combined tool
06/20/2001CN1300358A Apparatus for interaally coating live gas pipe joints or other discontinuities
06/20/2001CN1300335A Apparatus for preventing reverse flow in drainage
06/19/2001US6247500 Conduit systems
06/14/2001WO2001042703A1 Device for protecting pipes transporting pressurised fluid
06/14/2001US20010003223 Pipeline pigs
06/13/2001EP1106923A2 Valve unit for controlling the delivery of a combustible gas
06/13/2001EP1106901A1 Detachable obturator for metal conduit to be connected to flexible conduit
06/13/2001EP1106900A1 Vibration-isolating pipe clamp assembly
06/13/2001EP1106885A2 Method and device for installing a liner in an earthen structure
06/13/2001EP1105671A1 Noise reduction in fluid flow passage
06/13/2001EP1105668A2 Enhancement of profiled tubular lining systems by channel augmentation
06/13/2001EP1105279A1 Radiation source for irradiating the inner walls of long hollow cavities
06/13/2001DE19861018C2 Gesteuerter akustischer Wellenleiter zur Schalldämpfung Controlled acoustic waveguide for sound attenuation
06/13/2001DE10060034A1 Pipework pig for inspecting metal pipelines includes a first drive member with a centered, ring-shaped support fastened to a member to surround the first drive member with multiple primary drive elements extensively set apart.
06/13/2001DE10060033A1 Rohrleitungsmolche Pipeline pigs
06/12/2001US6244846 Pressure containment device for everting a flexible liner
06/12/2001US6244783 Widening apparatus
06/12/2001US6244302 Method and device for draining humidity from insulation
06/12/2001US6244301 Bulkhead barrier member
06/12/2001US6244299 Damping element
06/08/2001CA2327993A1 Pipeline pigs
06/07/2001WO2001040699A1 Cable tensioning device for bursting/flaring devices
06/07/2001WO2001039961A1 Method and device for lining a pipe conduit or a channel
06/07/2001US20010002595 Valve unit for controlling the delivery of a combustible gas
06/07/2001DE19958833A1 Verfahren und Vorrichtung zum Auskleiden einer Rohrleitung oder eines Kanals Method and apparatus for lining a pipeline or passageway
06/07/2001DE19947473C1 Endseitiger Verschluß eines Rohres End-side closure of a pipe
06/07/2001CA2391653A1 Method and device for lining a pipe conduit or a channel
06/06/2001EP1104532A1 Device for stopping a leak in a pipe
06/06/2001CN2433488Y Noise-reduction drainage pipe
06/06/2001CN1298469A Foldable tube
06/06/2001CN1298468A Deformable liner tube
06/06/2001CN1066808C Tuned mass damper
06/05/2001US6241925 Inserting a flattened, u-shaped plastic pipe section into channel intake, then shaping pipe into a round tube within the channel by heating and pressurization in situ
06/05/2001US6241424 Method and apparatus for replacing damaged section of a subsea pipeline without loss of product or entry of seawater
06/05/2001US6240965 Apparatus for repair of high temperature and pressure conduits, method for repairing high temperature and pressure conduits, and a sealing device for repairing high temperature and pressure conduits
06/05/2001US6240964 Energy attenuation device for a fluid conveying line and method of attenuating energy in such a line
06/05/2001US6240612 Method for the lining of existing pipes
06/02/2001CA2327396A1 Valve unit for controlling the delivery of a combustible gas
05/2001
05/31/2001WO2001038777A1 A pipe connection comprising a sleeve-flanged pipe connected to a sleeve-flanged end piece with an intermediate internal ring/disc gasket
05/31/2001WO2001038691A2 Device for injecting a fluid into a formation
05/31/2001DE19957334A1 Replacing district heating lines without digging trenches involves removing old line sections at two holes, pulling out line or inner pipe between holes, pulling in new line or pipe between holes
05/31/2001DE10024539A1 Burst protection system for pipelines carrying spontaneously exothermic reactive fluids has a burst protector supported in the fluid flow area and an emergency connection to atmosphere
05/30/2001EP1102646A1 Milling device for pipe cleaning and sanitation technology
05/30/2001CN2432426Y disposable plastic seal fastener for pipeline union
05/29/2001US6239533 Piezoelectric linear step motor and variants
05/29/2001US6238141 Apparatus for static underground drilling
05/29/2001US6237640 Variable length pipe repair fitting
05/29/2001CA2156536C Pipe liner and method of installation
05/23/2001EP1101059A1 Pipe adaptor and method
05/23/2001EP1100999A1 Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft
05/23/2001DE19948007A1 Linkage for corrugated pipe and associated fitting enhances degree of fire protection in building installations using tourniquet ring placed between inner cylinder section and corrugated pipe
05/22/2001US6234758 Hydraulic noise reduction assembly with variable side branch
05/22/2001US6234450 Connectors and valves
05/22/2001US6234226 Apparatus for lining an inner face of tubular culverts having arbitrary cross section
05/22/2001US6234211 Pipe for the ducting of gaseous fluids notably in cars
05/17/2001WO2001035008A2 Valve, especially a return flow blocking valve
05/17/2001DE19950984C1 Pipe for making channel run which can be measured by laser, including centering element for positioning reflector holder
05/17/2001DE19948649C1 Verfahren zur grabenlosen Auswechselung erdverlegter Rohrleitungen Process for the grave without replacement of buried pipelines
05/17/2001DE10047758A1 Insert unit for an opening, in particular, in a pipe-shaped hollow component comprises a flexible sealing element which expands radially when subjected to an axial tightening force
05/16/2001EP1099849A2 Pressure pulsation damper containing a free floating spacer
05/16/2001EP1099848A2 Damper containing internal lubricant
05/16/2001EP0918969B1 Noise suppressor for hydraulic systems
05/16/2001EP0906537B1 Pipe liner
05/15/2001US6230685 Pressure pulsation damper containing a free floating spacer
05/10/2001US20010000874 Method and composition for grouting water-flooded conduits
05/10/2001DE19953423A1 Inspection of underground pressure pipes for fresh water or gas, by lowing testing unit through connection unit placed on hydrant
05/10/2001DE19950683A1 Textile sleeve for refurbishing drainage pipes comprises multilayer knitted tube, optionally with second knitted tube wound around this, either at right angles or at angle
05/09/2001EP1098129A1 Stem cap for air conditioning service valve
05/09/2001EP1097333A1 Apparatus and method for repairing a lateral pipe and the junction of the lateral with a main sewer line
05/09/2001CN2429712Y Work carrier style quick action stop plate
05/09/2001CN2428971Y Closers for side tubes and capillary tubes of infiltrating irragation
05/09/2001CN1065607C Process and equipment for pulling pipes laid or to be laid in ground
05/08/2001US6228312 Thermoplastic composite products and method of lining pipework
05/08/2001US6227764 Pipe rehabilitation system and method for introducing a lining hose from a sewer main into a service pipe
05/08/2001US6227399 Tamper-evident fastening assembly
05/08/2001CA2024027C Sealed lining tube for lining of pipelines or passageways
05/03/2001WO2001031250A1 A plug fitting
05/03/2001WO2001031249A1 Shear valve
05/03/2001WO2001031248A1 Device for reducing structure-borne noises in conduits
05/03/2001DE10000081A1 Coating system with monitoring camera has camera carriage monitoring coating process associated with drive carriage, protective fan designed to generate objective protecting sleeve
05/03/2001CA2388435A1 Shear valve
05/02/2001EP1095226A1 Thin wall, high pressure, volume compensator
05/02/2001EP1094928A1 Pipe lining
05/02/2001EP1094878A1 Sand resistant fluid swivel
05/01/2001US6223776 Guidable pipe plug
05/01/2001US6223768 Dust cover
05/01/2001US6223475 Method and apparatus for lining manholes
04/2001
04/25/2001EP1094267A1 Device for reducing structural noise in pipelines
04/25/2001EP1093837A1 Material and fuel delivery device
04/25/2001EP1093557A1 A removable threaded plug and driver
04/25/2001CN2427711Y Pipe cleaning emitting receiving valve
04/25/2001CN1292858A Internal pipe pulling device
04/24/2001US6220302 Chambered leak repairing device and method
04/19/2001DE19949697A1 Device to close end of pipe for protection; has plastics cap with cover plate, collar having clamp element to fit inside pipe, with centring segment and locking noses, and outer sealing flange
04/18/2001EP1092909A1 A reversible lining tube for repairing an existing pipeline