| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
|---|
| 01/31/1989 | US4801245 Method of damping surges in recirpocating compressors |
| 01/31/1989 | US4800913 Breakaway ball joint swivel coupling |
| 01/31/1989 | US4800637 For a steam generator tube |
| 01/26/1989 | WO1989000633A1 Process for repairing structures, objects, in particular sewers and pipes of defective stability and watertightness, without dismantling |
| 01/26/1989 | WO1989000494A1 Method of inserting rigid plastic lining tube into conduit |
| 01/26/1989 | WO1989000481A1 Method for the repair of the inside of installed conduits |
| 01/25/1989 | EP0300791A1 Water hammer absorber |
| 01/25/1989 | EP0300668A1 Temporary or permanent blocking of the bore of a pipe |
| 01/25/1989 | EP0300405A2 Predetermined breaking point for a branched cooling pipe system on an electronic mounting |
| 01/25/1989 | EP0300169A1 Pipe sealing pillow with a feed-through |
| 01/25/1989 | EP0300005A1 Integrated modular tool system. |
| 01/24/1989 | US4799943 Gas stream diffusing and distribution apparatus |
| 01/24/1989 | CA1249114A1 Sealing of a pipe joint |
| 01/19/1989 | DE3722815A1 Control device in a fan-dependent suction line |
| 01/19/1989 | DE3722646A1 Method for scraping pipelines run underground and scraper for carrying out the method |
| 01/18/1989 | EP0299269A1 Pipe support |
| 01/18/1989 | EP0299130A1 Device for lining of existing sewers and the like |
| 01/18/1989 | EP0298986A1 Apparatus and method for sealing a tube joint. |
| 01/17/1989 | USRE32832 Temporary obturation panel of a passage inside a vessel accessible only through an orifice of smaller size |
| 01/17/1989 | CA1248844A1 Surge suppression device |
| 01/12/1989 | DE3721350A1 Device for shutting off gas pipes |
| 01/11/1989 | EP0298635A2 Variable volume reservoir and method for its use |
| 01/11/1989 | EP0298125A1 Duct lining method |
| 01/10/1989 | US4796841 Fabric reinforced rubber product having molded isolator bushings |
| 01/10/1989 | US4796673 Reproduction process of the existing pipeline |
| 01/10/1989 | US4796669 Product for relining sewers and water pipes |
| 01/10/1989 | CA1248459A1 Silencer |
| 01/05/1989 | DE3815232C1 Pipe-widening apparatus, in particular for disposal lines in refuse landfills |
| 01/05/1989 | DE3721314A1 Process for repairing a buried pipeline |
| 01/05/1989 | DE3716616A1 Process for the acoustic sealing of tubular bodies |
| 01/04/1989 | EP0297385A1 Pipeline rehabilitation method utilizing articulated gasketed joint pipe |
| 01/03/1989 | US4795051 Rupturable fluid pressure relief apparatus and manufacturing method |
| 01/03/1989 | US4794955 Hose for and method of attenuating fluid pressure pulsations |
| 01/03/1989 | US4794954 Apparatus and method for prevention of pulsating flow in liquid chromatograph |
| 01/03/1989 | CA1248156A1 Pipelock |
| 01/03/1989 | CA1247979A1 Medium-carrying line having at least one restrictor |
| 01/03/1989 | CA1247869A1 Device and method for removing irregularities in or enlarging an underground duct |
| 12/29/1988 | WO1988010394A1 Process and device for cleansing piping |
| 12/29/1988 | WO1988010393A1 Apparatus for working in pipes |
| 12/29/1988 | WO1988010390A1 Safety fitting for a vacuum orifice in a swimming pool |
| 12/28/1988 | EP0296753A2 Gas stream diffusing and distribution apparatus |
| 12/28/1988 | CN88103424A Openable active enclosing device for open circular oven |
| 12/27/1988 | US4793384 Self-damping convoluted conduit |
| 12/27/1988 | US4793382 Assembly for repairing a damaged pipe |
| 12/27/1988 | US4793016 Conduit cleaning apparatus |
| 12/22/1988 | DE3719395A1 Device for shutting off pipelines |
| 12/22/1988 | DE3718619A1 Closure plug |
| 12/21/1988 | EP0295479A1 Sealing joint |
| 12/20/1988 | US4792116 Sandblasting nozzle and control valve assembly |
| 12/20/1988 | US4791961 Fluid joint swivel coupling |
| 12/20/1988 | CA1246838A1 Tube expansion process |
| 12/15/1988 | WO1988009897A1 Method and apparatus for lining passages |
| 12/15/1988 | WO1988009705A1 Apparatus for selectively rotating a tool relative to the wall of a conduit |
| 12/15/1988 | DE3717542A1 Method and facility for providing a consumer with pyrolysis gas |
| 12/14/1988 | EP0295192A1 Device and process to close the walls of a chamber furnace with progressive heating for heating blocks containing carbon |
| 12/14/1988 | EP0294780A1 Chemical control of root growth in sewers and the like |
| 12/14/1988 | EP0294727A1 Device for plugging pipelines |
| 12/13/1988 | US4790568 Apparatus for selective combination of at least one first stationary pipeline for liquids with a plurality of second stationary pipelines |
| 12/13/1988 | US4790355 Helicoidal ramp dropshaft |
| 12/13/1988 | US4790313 Sealing device for tubing |
| 12/13/1988 | US4790058 Clamp |
| 12/08/1988 | DE3717785A1 Process and apparatus for shutting off a buried gas line |
| 12/07/1988 | EP0294244A2 Pipeline systems |
| 12/06/1988 | US4789268 Device and method for removing irregularities in or enlarging an underground duct |
| 12/06/1988 | CA1246116A1 Frangible fittings |
| 12/01/1988 | DE3716568A1 Process and apparatus for measuring existing connections on a sewer and fitting new connections at in each case the same location on an inner pipe drawn into the sewer |
| 12/01/1988 | DE3715653A1 Apparatus and process for repairing a sewer pipe |
| 11/30/1988 | EP0293067A1 Device for preventing separation of spigot and socket connections |
| 11/30/1988 | EP0293012A1 A fastener for closing and sealing an end of a pipe subjected to internal pressure |
| 11/30/1988 | EP0292703A2 Process and device for laying plastic pipes |
| 11/29/1988 | US4787473 Sound attenuating box |
| 11/29/1988 | US4787420 Plugging apparatus and method using a hydraulically assisted plug expander |
| 11/23/1988 | EP0292104A1 Method of repairing or replacing piping and inflatable plug |
| 11/23/1988 | EP0291822A1 Leakproof-cushion for sealing damaged walls of tanks and pipes |
| 11/22/1988 | US4786525 Pipe linings |
| 11/22/1988 | US4786345 Impregnating lining with curable synthetic resin |
| 11/22/1988 | US4785512 Machine for repairing and sealing conduits |
| 11/22/1988 | CA1245169A1 Safety hose |
| 11/22/1988 | CA1245093A1 Vent cover |
| 11/17/1988 | EP0291011A1 Rerounding apparatus |
| 11/17/1988 | EP0291003A1 Hollow plag for sealing a heat exchanger tube |
| 11/17/1988 | EP0290995A1 Pipe seal pillow |
| 11/17/1988 | EP0290787A1 Damper element for pulsating liquid-flows |
| 11/17/1988 | DE3814747A1 Damping hose for water pipes |
| 11/17/1988 | DE3715582A1 Damping element for liq. flow systems - is used in IC engine fuel supplies, and consists of housing with inlet and ducts and ridges on disc |
| 11/15/1988 | US4784585 Electric air compressor |
| 11/15/1988 | US4784363 Radial pipe mount |
| 11/15/1988 | US4784174 Drain and shutoff valve assembly |
| 11/10/1988 | DE3714458A1 Device for joining at least two layers arranged at least approximately parallel to one another |
| 11/09/1988 | EP0290184A1 Pipe renovation system |
| 11/09/1988 | EP0289783A2 Application system for installing a flue gas pipe system in a chimney |
| 11/09/1988 | EP0289653A1 Device for sealing the space between a container opening and a feeding pipe movable relative to the opening |
| 11/08/1988 | US4783099 For central vacuum cleaning installations |
| 11/08/1988 | US4782863 Removable shutter for an orifice accessible only through a narrow passage |
| 11/08/1988 | US4782786 Device to fill and glue all kinds of depressions in inaccessible pipe conduits |
| 11/08/1988 | US4782727 For performing a cross cutting operation |
| 11/03/1988 | DE3811537A1 Device for shutting off branches in pipelines |
| 11/03/1988 | DE3732598A1 Verfahren und entmischungsfreier beton zur sanierung unterirdischer kanalisationen Procedures and entmischungsfreier concrete to rehabilitate underground drainage systems |
| 11/03/1988 | DE3732597A1 Festkoerpersegmentinnenschalung zur sanierung unterirdischer kanalisationen Festkoerpersegmentinnenschalung for renovation of underground drainage systems |
| 11/03/1988 | DE3712955A1 Insulating sleeve for joining locations of pressurised-water-channelling plastic pipes |