| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 08/07/1997 | DE19703420A1 Filter compartment, especially for an incubator for newly born babies |
| 08/07/1997 | DE19603594A1 Pipe element in exhaust pipe of internal combustion engine |
| 08/07/1997 | CA2243082A1 Isolation tool |
| 08/06/1997 | EP0787940A1 Methods of and arrangements for lining pipes |
| 08/06/1997 | EP0787938A2 Clamp for cylindrical object |
| 08/06/1997 | EP0787607A2 Sound damping device |
| 08/06/1997 | EP0787269A1 Method and device for renovating drains |
| 08/06/1997 | EP0676021B1 Device for securing pipes against fracture |
| 08/05/1997 | US5654499 Dual carcass flexible hose |
| 08/05/1997 | US5653555 Multiple resin system for rehabilitating pipe |
| 08/05/1997 | US5653554 Apparatus for removing piping from the ground |
| 08/05/1997 | US5653447 Vacuum/pressure seal method and apparatus |
| 08/05/1997 | US5653264 Fluid orifice device having encoded orifice size indicia |
| 07/31/1997 | WO1997027097A1 Anti-slip process using the tensioning of several co-operating articulated extensions in contact with a surface |
| 07/31/1997 | DE19602751A1 Co-extruded three-layer film for relining water pipes |
| 07/30/1997 | EP0786619A1 Breakaway coupling |
| 07/30/1997 | CN2258566Y Static magnet field type positioning system and creeper using said system |
| 07/29/1997 | US5651848 Method of making three dimensional articles from rigidizable plastic composites |
| 07/29/1997 | US5651639 Method and apparatus for installation of underground pipe |
| 07/29/1997 | US5651638 Method and apparatus for controlling the position and operation of equipment within a pipeline |
| 07/29/1997 | US5651531 Water flow control device |
| 07/29/1997 | US5651393 For diverting water from a distal, free end of a pipe |
| 07/24/1997 | WO1997026415A1 A method of sealing a manhole riser and a catch basin and apparatus for same |
| 07/24/1997 | DE19608352C1 Repair line for heating and hot water pipelines |
| 07/24/1997 | DE19601559A1 Method for suppressing noise emissions of component parts |
| 07/23/1997 | EP0785388A2 Method of lining a pipeline |
| 07/23/1997 | EP0785387A1 Method for installing a tube or a bundle of tubes in an existing tubular duct |
| 07/22/1997 | US5650103 Increased efficiency method for lining a pipe with a cement mortar |
| 07/17/1997 | WO1997025567A1 Method for lining underground pipelines |
| 07/17/1997 | WO1997025565A1 Breakaway hose coupling |
| 07/17/1997 | DE19620239C1 Pipeline maintenance method for water drains |
| 07/17/1997 | DE19601041A1 Method for repairing pipe joint seal |
| 07/17/1997 | CA2242098A1 Method for lining underground pipelines |
| 07/16/1997 | EP0702767B1 Device and method of renovating connections |
| 07/16/1997 | EP0606232B1 Method of lining pipelines and passageways |
| 07/16/1997 | CN1154457A Method and device for cutting-off or connecting pipe-line under operation condition |
| 07/16/1997 | CN1154335A Convey apparatus, and movable driving mechanism for movable work apparatus |
| 07/16/1997 | CN1154324A Bipod load support |
| 07/15/1997 | US5647564 Method for fastening a pipe in a vertical position to a wall |
| 07/15/1997 | US5647392 Air regulation system for hydropneumatic reservoir |
| 07/10/1997 | DE19607267C1 Inspecting, by maintenance hose or cable insertion, cast-iron pipeline |
| 07/09/1997 | EP0783085A1 Flexible piece for mounting into a bore |
| 07/09/1997 | EP0782679A1 Device sealably connectable to at least one cylindrical element |
| 07/09/1997 | EP0535247B1 Pipe joint member |
| 07/08/1997 | US5645784 Diameter reduction insertion method for lining tubular members |
| 07/08/1997 | US5644930 Mechanical pressure relief valve having a variable position outlet |
| 07/02/1997 | EP0781700A1 Track roller with plug |
| 07/01/1997 | US5643386 Assembly process for fabric bag plug |
| 07/01/1997 | US5642891 Radially expandable locking device for a pipe seal |
| 06/29/1997 | CA2191538A1 Track roller with plug |
| 06/26/1997 | WO1997022460A1 Laminated structures |
| 06/26/1997 | DE19654237A1 Manufacture of pressure control valve |
| 06/26/1997 | DE19547394A1 Rotary multiway distributor valve with cylindrical housing |
| 06/26/1997 | CA2240715A1 Laminated structures |
| 06/25/1997 | EP0780621A1 Pipe element used for decreasing and attenuating noise propagated by main pipes and having a sound absorber and/or a branch pipe |
| 06/25/1997 | EP0780580A1 Device for producing periodic impulse changes in a fluid flow, method for the operation and the use of the device |
| 06/25/1997 | CA2193589A1 Method of manufacturing pressure regulator |
| 06/24/1997 | USRE35542 Pipe bursting and replacement method |
| 06/24/1997 | US5640999 Venting cap for fill pipe |
| 06/24/1997 | US5640780 Moving device for intervening inside small-diameter pipework |
| 06/24/1997 | US5640734 Hollow member cleaning device |
| 06/19/1997 | WO1997021532A1 Method for producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe |
| 06/18/1997 | EP0779465A1 Pipe repair clamp |
| 06/18/1997 | EP0778930A1 Air emitted sound attenuator |
| 06/18/1997 | CN1152070A Heat insulating noise reducing duct |
| 06/17/1997 | US5638868 Accumulator |
| 06/12/1997 | WO1997021054A1 Liner for insertion in pipes |
| 06/12/1997 | WO1997021024A1 Reactive acoustic silencer |
| 06/12/1997 | WO1997020999A1 Device to reduce a liquid stream |
| 06/12/1997 | WO1997020684A1 Manufacture of tubular products |
| 06/12/1997 | DE19545446A1 Section of pipe with shut=off device at both ends and inserted into pipe |
| 06/11/1997 | EP0777835A1 Process for renovating feed and discharge pipes and shafts |
| 06/11/1997 | EP0777551A1 Process for renovating pipes |
| 06/10/1997 | US5636662 Quick connect cartridge assembly with plug |
| 06/05/1997 | WO1997020164A1 Method and device for renovating underground pipelines, and use |
| 06/05/1997 | WO1997019979A1 Improvements relating to the use of treated lignocellulosic materials |
| 06/05/1997 | DE19544221A1 Pressure variation damper for hydraulic brake fluid in motor vehicle |
| 06/05/1997 | CA2164370A1 Reactive acoustic silencer |
| 06/04/1997 | EP0777076A1 Sealing cap for a pipe |
| 06/04/1997 | EP0777074A2 Improvements in or relating to relief valves |
| 06/04/1997 | EP0776462A1 Device for carrying equipment through a conduit and method for use of the device |
| 06/04/1997 | EP0776439A1 Process for internally coating hollow bodies |
| 06/03/1997 | US5634847 For conducting exhaust vapors and fumes from a building |
| 06/03/1997 | US5634743 Lining of pipelines and passageways |
| 06/03/1997 | US5634304 Water impervious intumescent firestop collapsing conduit |
| 06/03/1997 | CA2155470C Purging blind |
| 05/29/1997 | WO1997019290A1 Device for repairing pipelines |
| 05/28/1997 | EP0593564B1 Method of restoring underground pipelines |
| 05/28/1997 | DE19648200A1 Air duct with sound-proofing for connecting air inlet to outlet |
| 05/28/1997 | DE19647936A1 Set of fittings for emptying, filling or bleeding heating equipment |
| 05/28/1997 | CN2254984Y Apparatus for replacing container-inserted tube under operation condition |
| 05/27/1997 | US5632952 Method for lining lateral and main pipes |
| 05/27/1997 | US5632818 Liquid injection apparatus for use in a method of lining the internal surface of a pipe |
| 05/27/1997 | US5632307 Methods for using a high tensile strength reinforcement to repair surface defects in a pipe |
| 05/27/1997 | US5632300 Steam trap |
| 05/27/1997 | CA2079085C Meter bypass swivel connector |
| 05/22/1997 | WO1997018549A1 Acoustic resonator |
| 05/22/1997 | DE19543013A1 Sanierungsgerät zur Sanierung von Kanalrohren Rehabilitation equipment for the rehabilitation of sewer pipes |
| 05/22/1997 | CA2237859A1 Acoustic resonator |
| 05/21/1997 | EP0591220B1 An apparatus for advancing an object through a body passage |