| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 06/15/1994 | EP0601493A1 Blower depending control device in a suction hose |
| 06/15/1994 | CN2169021Y High temperature and pressure blocking apparatus in working state |
| 06/15/1994 | CN2169020Y Cutter |
| 06/15/1994 | CN2169019Y Improved struture of underground pipeline protection |
| 06/14/1994 | US5320238 End closure method and construction for non-metallic pressure vessels |
| 06/14/1994 | US5320203 Damper for hydraulic clutch actuator |
| 06/14/1994 | US5320133 Flow system disconnect and method |
| 06/09/1994 | WO1994012827A1 Pipe tractor |
| 06/09/1994 | WO1994012336A1 Method for lining a pipeline, in particular a sewer |
| 06/09/1994 | DE4240678A1 Conveyor pipe for concrete pump - has sliding trap for removing cleaning elements displaceable restricted amount in guide across lid and lockable on lid in released position. |
| 06/09/1994 | DE4240324A1 Noise-damping insert for sanitary fittings - has two part support body with interlocking snap fitting legs with longitudinal slit spaces when fitted into shaped body. |
| 06/09/1994 | DE4240323A1 Noise damper insert for sanitary appliances - has coaxial sleeve-like continuation to cover part of inside wall |
| 06/08/1994 | EP0600346A1 Device for sealing a leak in a hollow body |
| 06/08/1994 | EP0600345A1 Leak sealing device for pipes |
| 06/08/1994 | EP0600344A1 Leak sealing device for flanged joints |
| 06/08/1994 | EP0513125B1 An emergency shut-off device |
| 06/08/1994 | EP0434835B1 Method of inserting rigid plastic lining tube into conduit |
| 06/08/1994 | EP0406380B1 Secondarily contained fluid supply system |
| 06/07/1994 | USH1317 Ring damper for structureborne noise suppression in piping systems |
| 06/07/1994 | US5318395 Method and apparatus for porting lateral connections in lined pipelines |
| 06/07/1994 | US5318075 Drip stop plug |
| 06/07/1994 | US5318074 Plug for a furnace header |
| 06/07/1994 | US5318073 Orifice plate seal |
| 06/01/1994 | DE4240067A1 Protective stopper for pipe couplings - has pot-shaped first area with two further areas and ring collar for contacting clamping sleeve in coupling body and preventing entry of dirt. |
| 06/01/1994 | DE4239987A1 Autonomous robot for movement in spaces between surfaces - has hierarchical system of control over jointed limbs enabling one to move while two others are braced against obstacles |
| 06/01/1994 | DE4239920A1 Inspection device for pipelines etc. - has forward drive unit with several rigid advance elements with wheels mounted on swivel swing bars to negotiate curves. |
| 06/01/1994 | DE4239917A1 Hollow space testing arrangement, e.g. for channels and pipelines - has laterally flexible, axially stiff feed mechanism with external friction reducing rollers |
| 05/31/1994 | US5317607 EDM crack removal tooling |
| 05/31/1994 | US5316045 Storm drainage conduit plug |
| 05/31/1994 | US5316037 Valve for insertion in a pressurized fluid flow line |
| 05/31/1994 | US5315859 Custom flow restrictor |
| 05/26/1994 | WO1994010408A3 Deteriorated structure repair method and substratum for restoring and lining corroded structure |
| 05/26/1994 | DE4325090C1 Hydraulic setting cement - contg. additives to ensure high early strength at low temperatures. |
| 05/26/1994 | DE4323792C1 Drainage valve for fluid container - has valve housing, valve body with valve head and channel leading through housing and body with inlet aperture in housing and drainage aperture in head |
| 05/26/1994 | DE4238982A1 Cover tube for renovating drains or similar - consists of resin-impregnated, e.g., glassfibre tube of suitable shape which is pressed against drain, etc., until its impregnant has set hard |
| 05/25/1994 | EP0598075A1 Orifice system sealing assembly |
| 05/24/1994 | US5313991 Apparatus for containing oil and waste spills at a loading and unloading line connection |
| 05/24/1994 | US5313986 Method for positioning components on a cylindrical member |
| 05/19/1994 | DE4238669A1 High temp. sealing ring - comprises several wavy ring discs with opposing troughs and crests forming hollow ring optionally filled with compressible sealing material |
| 05/19/1994 | DE4238624A1 Damper chamber for brake systems - has pressure chamber containing two=part insert with additional pressure chamber connected to main chamber. |
| 05/18/1994 | CN1086881A Improved method for reparing local damage to pipe lines by applying cladding with an interposed prot ective sheath |
| 05/17/1994 | US5312174 Slip-controlled brake system, especially for use with automotive vehicles |
| 05/17/1994 | US5312083 Arrangement in a media-conducting unit |
| 05/17/1994 | CA2036674C Pipe bursting and replacement apparatus and method |
| 05/17/1994 | CA2006057C Secondarily contained fluid supply system |
| 05/17/1994 | CA1329488C Telescoping joint |
| 05/11/1994 | WO1994010496A1 Apparatus for bending plastic pipe |
| 05/11/1994 | WO1994010495A1 Apparatus for use in the repair and maintenance of conduits such as sewers |
| 05/11/1994 | WO1994010408A2 Deteriorated structure repair method and substratum for restoring and lining corroded structure |
| 05/11/1994 | EP0596728A1 Apparatus for preventing dust accumulation in an exhaust duct of an electric furnace |
| 05/11/1994 | EP0596693A1 Method and apparatus for reparing a transport pipe |
| 05/11/1994 | EP0596220A1 Compressed air and venting system |
| 05/11/1994 | EP0491756B1 Pipe grommet |
| 05/11/1994 | DE4237778A1 Water pipeline laying, using steel pipe pulled into duct - fills space between duct and steel pipe with insulating packing, pumped through pipe apertures |
| 05/10/1994 | US5310161 High pressure gas line breakaway connector |
| 05/10/1994 | US5309947 Apparatus for lining an inside wall of a sewer pipe |
| 05/10/1994 | US5309844 Apparatus for moving through a pipe |
| 05/07/1994 | CA2102570A1 Process to recover liquid methane |
| 05/04/1994 | EP0595678A1 Selective branching device for drainage pipes of sanitary installations |
| 05/04/1994 | EP0539415B1 Device and process for cutting off a pipe from the inside |
| 05/03/1994 | US5307841 Test plug for waste pipe |
| 05/03/1994 | US5307830 Flow distribution method and apparatus reducing downstream turbulence |
| 05/03/1994 | US5307782 Combined pressure wave suppressor, air/vapor purge and check valve |
| 05/03/1994 | CA1329141C Gas blow-off attenuator |
| 04/28/1994 | WO1994008728A1 Apparatus for coating the inner side of tubing with protective material |
| 04/28/1994 | DE4308547C1 Trenchless pipe laying system with hydraulic/pneumatic drive - has pipe sections joined by profiled sleeve and with ram on rear section and flushing head on front of pipeline |
| 04/27/1994 | EP0593564A1 Material for relining underground pipelines. |
| 04/26/1994 | US5306449 Process for lining high pressure pipeline |
| 04/26/1994 | US5306101 Cutting/expanding tool |
| 04/26/1994 | US5305942 Method for sealing thermal processing apparatus |
| 04/26/1994 | US5305776 For use in the event of the breakage of pipes |
| 04/26/1994 | CA1328894C Safety fitting for a vacuum orifice in a swimming pool |
| 04/26/1994 | CA1328830C Methods and apparatus for use in pipe lining |
| 04/21/1994 | DE4311674C1 Seal at leakage point between pipe and coaxial sleeve - has two expanding rings in opposing directions with retainer covering both |
| 04/21/1994 | DE4306516C1 Resin impregnation for sewer pipe lagging - involves unimpregnated lagging located in pipe with resin dosing unit and vacuum pump to draw resin through lagging |
| 04/20/1994 | EP0593264A1 Method of lining an inner surface of a pipe |
| 04/20/1994 | EP0592693A1 Noise control device |
| 04/19/1994 | US5303742 Line blind assembly having interchangeable DISC |
| 04/19/1994 | US5303741 Plug for temporarily sealing the end of a pipe |
| 04/14/1994 | WO1994008173A1 Connector assembly |
| 04/14/1994 | WO1994007754A2 Closing device for a tank or a housing |
| 04/14/1994 | DE4234291A1 Connector pipe for welding onto pressurised gas pipes - has conical face on inner projection of pipe engaging with conical face on stopper engaging in pipe to ensure absolute gas tightness when connected. |
| 04/13/1994 | EP0592115A1 A method for repairing a tubular conduit |
| 04/13/1994 | EP0591294A1 Gas and/or liquid tubular duct. |
| 04/13/1994 | EP0591220A1 An apparatus for advancing an object through a body passage. |
| 04/13/1994 | EP0527177B1 Cleanable scraper station |
| 04/13/1994 | CN2161803Y Impedance reflection pipe type dissipative muffler |
| 04/13/1994 | CN1085298A Clamping and coupling means |
| 04/12/1994 | US5302053 Apparatus for replacing buried pipe |
| 04/12/1994 | US5301984 Wear resistant pipe elbow |
| 04/12/1994 | US5301983 Pipe component seal assembly |
| 04/05/1994 | US5300152 Removing scale from pipelines; biodegradable |
| 03/31/1994 | WO1994007079A1 Method and apparatus for fitting an inner tube in an existing pipeline while continuously supplying heat, and a pipeline obtained in this way |
| 03/31/1994 | DE4328031A1 Fault detection system for drainage pipes - using pig supporting video camera for visual examination and radar antenna |
| 03/31/1994 | DE4234186C1 Pipe closure with threaded sleeve supporting screw-on cap - has teething round outside of cap for engagement by locking lever. |
| 03/31/1994 | DE4232059A1 Pipe joint renovation - has packer to inject sealing mass into inaccessible pipe joints esp. in sewage system |
| 03/31/1994 | DE4231961A1 Sewage channel or pipe repair - using longitudinal carrier with carrier units to apply radial holding pressure on lining for inner side of channel |
| 03/30/1994 | EP0496872B1 Method and apparatus for positioning components |
| 03/30/1994 | EP0418257B1 Rehabilitating underground pipes |
| 03/30/1994 | CN2160051Y High pressure buffer throat for running water |