| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 07/28/1998 | US5785090 Pipeline stopper plug and method therefore |
| 07/28/1998 | US5785077 Easily replaceable valve |
| 07/28/1998 | CA2145126C Pipe laying system and method |
| 07/23/1998 | WO1998031964A1 Renovation or restoration material |
| 07/23/1998 | WO1998031959A2 Thread-forming pipe plug |
| 07/23/1998 | WO1998031479A1 Device by a pig |
| 07/23/1998 | DE19738663A1 Mixing method for combining two reactive polymer components just prior to use |
| 07/23/1998 | DE19701846A1 Holding fixture for unpressurised boiler hot water mixer has housing |
| 07/22/1998 | CN2286513Y Clamp for pipeline outwall protection |
| 07/22/1998 | CN1039256C Vibration and noise absorbing device for hydraulic systems |
| 07/21/1998 | US5783780 Sound absorption structure |
| 07/21/1998 | US5782579 Pipe system for supplying liquid fuel to an underground tank and for transfer of such fuel to a dispensing station |
| 07/21/1998 | US5782498 Sealing flange, in particular for internal lining of pipes |
| 07/21/1998 | US5782311 Method and apparatus for installation of underground pipes |
| 07/16/1998 | WO1998031045A2 High efficiency ultra-pure fluid heater |
| 07/16/1998 | WO1998030829A1 A protector for the end of a non-threaded pipe |
| 07/16/1998 | WO1998030731A1 Method and apparatus for reducing deposition of material in the exhaust pipe of a reaction furnace |
| 07/16/1998 | WO1998004858A3 Full flow winding machine |
| 07/16/1998 | DE19700889A1 Protection cap for pipe/rod ends during processing and manufacture |
| 07/16/1998 | DE19700571A1 In-flow drain pipe test and repair tool |
| 07/15/1998 | EP0853211A1 Robot and robot arm for the repair of ducts |
| 07/15/1998 | EP0853208A1 Multilayer pipe |
| 07/15/1998 | EP0852684A1 Hydropneumatic anti-hammer tank with an air intake and control device, and air intake method |
| 07/14/1998 | US5779948 Method of lining a pipeline using a constant extrusion pressure |
| 07/14/1998 | US5779085 Expandable pin plug for automated use |
| 07/14/1998 | US5778938 Method of installation of dual containment pipe rehabilitation system |
| 07/14/1998 | US5778937 Method of making leakproof sites of entry of domestic connector pipes and similar feed pipes into sewers |
| 07/14/1998 | US5778936 Full flow winding machine |
| 07/14/1998 | US5778935 Flexible replacement section for irrigation and water pipe |
| 07/14/1998 | US5778934 For closing one end of a pipe |
| 07/14/1998 | US5778919 Pipeline flow stopper with dual shafts |
| 07/14/1998 | CA2020717C Mechanism for lubricant flow limitation through a rotating shaft |
| 07/09/1998 | DE19700294A1 Closure for outlet pipe of liquids |
| 07/08/1998 | EP0851988A1 Surface traversing vehicle |
| 07/08/1998 | EP0851987A1 Hydraulically actuatable expander |
| 07/08/1998 | EP0851806A1 A method of socketing a pipe |
| 07/08/1998 | EP0851805A1 Oriented polymeric products |
| 07/07/1998 | US5775841 Device for use in replacing sewage piping |
| 07/07/1998 | US5775375 For covering an opening of a fluid connector |
| 07/01/1998 | EP0851166A1 Vibration isolation wall support for a pipe |
| 07/01/1998 | EP0850381A1 Pipe rehabilitation |
| 07/01/1998 | EP0850380A1 A system for locking filler caps |
| 07/01/1998 | EP0794863B1 Sealing strip for sealing pipe connections |
| 07/01/1998 | EP0732995A4 Method and apparatus for sealing leaks |
| 07/01/1998 | CN1038916C Method and apparatus for installing pipe liner |
| 06/30/1998 | US5772253 Pipe repair or jointing collar |
| 06/30/1998 | US5771938 Water main break repair tool |
| 06/30/1998 | US5771937 Pipe plug and method |
| 06/30/1998 | US5771936 Accumulator, process and apparatus for making the same |
| 06/25/1998 | WO1998027377A1 Device for filling perforations |
| 06/25/1998 | WO1998026919A1 Thermoplastic composite products and method of lining pipework |
| 06/25/1998 | DE19643371A1 Self-propelled device for moving through insides of pipes |
| 06/24/1998 | EP0849402A1 System for injecting suspensions containing solids, in particular suspensions with ultrafine cement particles |
| 06/24/1998 | EP0848659A2 Pipe liner and method of installation |
| 06/24/1998 | CN2284900Y Pipe leak clamp |
| 06/24/1998 | CN2284899Y Full pressure pipe holer |
| 06/24/1998 | CN1185387A Device for fixing at least one infusion tube to seat |
| 06/23/1998 | US5769955 Portable system for launching/catching pipeline pigs |
| 06/23/1998 | US5769459 Inside sealing device sleeve for insertion of pipes |
| 06/23/1998 | US5769122 Fluid pressure reduction device |
| 06/23/1998 | US5769116 Composite action type water-hammer-preventive check valve |
| 06/18/1998 | WO1998026207A1 Lining pipes |
| 06/18/1998 | WO1998012454A3 Tuned mass damper |
| 06/18/1998 | DE19652111A1 Water pipe screw fitting connected esp. to an S-pipe |
| 06/17/1998 | EP0848203A2 Device for closing gas conduits |
| 06/17/1998 | EP0848202A1 Plastic pipe with improved acoustic qualities and its method for manufacturing |
| 06/17/1998 | EP0848199A1 Device for fastening at least one fluid carrying conduit on a support |
| 06/17/1998 | CN2284335Y Emergency disengaging device of transfer duct |
| 06/17/1998 | CN1185200A Process and equipment for pulling pipes laid or to be laid in the ground |
| 06/16/1998 | US5765876 Pipe coupling requiring low closing force |
| 06/16/1998 | US5765806 In a hollow pipe-like body |
| 06/16/1998 | US5765597 Apparatus for repairing a pipeline and method for using same |
| 06/11/1998 | WO1998025070A1 Installing pipes |
| 06/11/1998 | WO1998024959A1 A repair fabric |
| 06/11/1998 | CA2274052A1 Installing pipes |
| 06/10/1998 | EP0846910A1 Method for renovating of buried, liquid carrying pipelines by injection of gelforming water glass solutions |
| 06/10/1998 | EP0846909A2 Silenced eccentric element for hydraulic systems |
| 06/10/1998 | EP0846239A1 Lining of pipes |
| 06/10/1998 | EP0809769A4 Ball valve coupling |
| 06/10/1998 | EP0673486B1 Waterborne-sound absorber for use in pipes |
| 06/10/1998 | DE19715612C1 Closure piece for open end of hose inserted into pipe |
| 06/10/1998 | DE19708347C1 Passage through masonry for pipe and electric lead |
| 06/10/1998 | DE19650486A1 Copper@ pipe repair kit using open-sided curved copper@ sheet |
| 06/10/1998 | CN2283774Y Overturn lining flexible pipe for repair of pipe |
| 06/10/1998 | CA2222357A1 Plastic tube with improved acoustic properties, and process for manufacturing such a tube |
| 06/09/1998 | US5762450 System and method for relining sewer pipe sections with inspection capability |
| 06/09/1998 | CA2040607C Apparatus for closing off shafts |
| 06/04/1998 | DE19652657A1 Device for decomposing deposits on inner walls of tubes in pipe system of aeroplane |
| 06/03/1998 | EP0707532B1 Linings for pipelines and passageways |
| 06/02/1998 | US5758903 Adjustment device for adjusting a mounting device between two flanges of a pipeline system |
| 06/02/1998 | US5758690 Hose-type pull-out faucet |
| 06/02/1998 | CA2167012C In-line valve for insertion in a pressurized fluid flow line |
| 06/02/1998 | CA2018610C Pipe burster |
| 05/28/1998 | WO1998022745A1 Expandable sealing plug |
| 05/28/1998 | DE19709350C1 Cladding-hose-production system for pipes |
| 05/27/1998 | EP0844076A2 Pipe liner bag and manufacturing method therefor |
| 05/27/1998 | EP0844073A1 A tubular product and an extrusion apparatus and method |
| 05/27/1998 | EP0844065A2 Method of manufacturing a pipe liner bag |
| 05/27/1998 | EP0626052B1 Device and method for the lining of pipes and passageways |
| 05/22/1998 | WO1998021444A2 Apparatus and method for expanding a liner patch; a stroke indicator; and a tubular patch |