| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
|---|
| 05/01/1990 | US4921000 Break-away coupling for hoselines |
| 04/26/1990 | DE3836278A1 Device for blasting, or the like, the inner surfaces of channels with granular material |
| 04/26/1990 | DE3836112A1 Control valve, especially for hydraulic brake systems with slip control |
| 04/26/1990 | DE3835901A1 Verfahren zum austausch einer im erdboden verlegten rohrleitung A method for exchange of a laid in the ground pipeline |
| 04/25/1990 | EP0365156A2 Pipe liner and method of installation thereof |
| 04/25/1990 | EP0364699A2 Method for sealing a bore, and sealed bore |
| 04/25/1990 | EP0279812B1 Method for restoring underground pipelines |
| 04/25/1990 | EP0247078B1 Unmanned articulated vehicle |
| 04/25/1990 | CA2001305A1 Vehicular device designed to operate in enclosed canals |
| 04/24/1990 | US4919989 Article for sealing well castings in the earth |
| 04/24/1990 | US4919391 flanged connection for valves |
| 04/24/1990 | US4919291 Layer of gold plating diffused into surface of copper substrate; self-welding |
| 04/19/1990 | WO1990004157A1 Secondary containment system using flexible piping |
| 04/19/1990 | DE3934255A1 Pipe casing section - has insulated sleeve with inner cylindrical reinforcements and outer detachable pipe straps |
| 04/19/1990 | DE3934254A1 Pipe casing section with tubular sleeve - has cylindrical inner reinforcements and outer pipe straps |
| 04/19/1990 | DE3902845C1 Method and device for exchanging a pipe in a freely suspended pipeline |
| 04/18/1990 | EP0364330A1 Sealing plug for a steam generator tube |
| 04/18/1990 | EP0363424A1 Apparatus for working in pipes |
| 04/17/1990 | US4917539 Pipeline systems |
| 04/17/1990 | US4917149 Breakaway coupling, conduit system utilizing the coupling and methods of making the same |
| 04/17/1990 | US4917147 Backwater escape valve |
| 04/17/1990 | US4916797 Hydraulic retriever and method for changing probes arranged in pipes or vessels under pressure |
| 04/12/1990 | DE3939796A1 Sewer leak-sealing method - involves delivering swelling granulate by air gun through hole into space below |
| 04/12/1990 | DE3833525A1 Pressure reducer for withdrawing test gases with reactive components |
| 04/10/1990 | US4915543 Existing pipeline renewing method and apparatus therefor |
| 04/10/1990 | US4915135 Flow restricting hose assembly |
| 04/10/1990 | US4915055 Conduit locator |
| 04/05/1990 | WO1990003534A1 Fuel spill prevention valve |
| 04/05/1990 | WO1990003260A1 Pipe liner and method of installation thereof |
| 04/05/1990 | WO1990003259A1 A method of lining a pipe |
| 04/05/1990 | DE3833535A1 Pipe coupling |
| 04/05/1990 | DE3833376A1 Closure caps for plastic-coated steel pipes |
| 04/05/1990 | DE3832716A1 Verfahren zum durchfuehren eines dahtes durch ein rohr, verfahren zum auskleiden der innenwaende eines rohres und vorrichtung zur durchfuehrung eines drahtes durch ein rohr A method for performing a dahtes through a pipe, proceed to line the inside walls of a pipe and device for passing a wire through a tube |
| 04/04/1990 | EP0361133A1 Method and device for sealing the end of a conduit |
| 04/03/1990 | US4913464 Tubular joint with seal |
| 03/29/1990 | DE3932106A1 Verfahren und vorrichtung zum einbau eines neuen rohrs in eine vorhandene, unterirdische leitung Method and device for installation of a new pipe into an existing underground pipeline |
| 03/29/1990 | DE3904692C1 Method for blocking off a gas duct in a coke dry-cooling system and arrangement for carrying out the method |
| 03/29/1990 | DE3832602A1 Plug for sealing supply lines, and tool for inserting it |
| 03/28/1990 | EP0360378A1 Vehicle braking systems |
| 03/28/1990 | EP0360320A1 Device for remotely assembling a component |
| 03/28/1990 | EP0360319A1 Method for placing a body of shape memory material within a cavity |
| 03/28/1990 | EP0360044A1 Sound damping device for an air conduit |
| 03/28/1990 | EP0359948A2 Noise absorber |
| 03/28/1990 | EP0359945A2 Compressed-air expulsion system |
| 03/28/1990 | EP0308402B1 Multiple seal for a pressure vessel |
| 03/28/1990 | CN1040859A Method for placing body of shape memory metal within tubing |
| 03/27/1990 | US4911204 Device for damping pressure surges in pipelines, especially sanitary installations |
| 03/27/1990 | US4911194 Thermally-sensitive coupling device |
| 03/27/1990 | US4911193 Temporary or permanent blocking of the bore of a pipe |
| 03/27/1990 | CA1267059A1 Device for damping fluid shocks in pipe systems |
| 03/22/1990 | WO1990002905A1 System for monitoring the location within pipes of moving metallic cleaning devices |
| 03/22/1990 | WO1990002904A1 Methods and apparatus for use in pipe lining |
| 03/22/1990 | WO1990002851A2 Constructional member and method |
| 03/22/1990 | WO1990002647A1 Tube used for lining of conduit |
| 03/22/1990 | DE3931228A1 Gas conduit silencer system - has absorbent slides widening and tapering alternately from inlet with passages in between |
| 03/22/1990 | DE3830821A1 Process and apparatus for relining sewer pipes and the like |
| 03/22/1990 | DE3830476A1 Hose coupling |
| 03/21/1990 | EP0359392A1 Pipeline repair system |
| 03/21/1990 | CN1040668A Regulating valve |
| 03/20/1990 | US4909982 Nuclear power plant; containing steam generator |
| 03/20/1990 | US4909341 Unmanned articulated vehicle |
| 03/20/1990 | US4909281 Apparatus for replacing a section of a pipeline |
| 03/20/1990 | US4909280 Fastener for closing and sealing ends of pipes subjected to internal pressure |
| 03/20/1990 | US4908927 Assembly of an end fitting and an elongate article |
| 03/14/1990 | EP0358247A1 Device for providing a passage in a side wall of a pipe |
| 03/13/1990 | US4908491 Integrated modular tool system for end preparation and end-to-end welding of pipes |
| 03/13/1990 | US4907911 Pipeline renovation system |
| 03/13/1990 | US4907830 For a corrugated pipe |
| 03/13/1990 | US4907622 Fluid reservoir device |
| 03/08/1990 | WO1990002267A1 Oil pressure feeder of work machine cylinder |
| 03/08/1990 | DE3829894A1 Hydraulically actuated feed prop |
| 03/08/1990 | DE3829070A1 Closure caps for plastic-coated steel pipes |
| 03/07/1990 | EP0356911A2 Hose for the renovation of conduits, especially sewers |
| 03/07/1990 | CN1040259A Method for quick and easy repairing burst of submerged steel pipe |
| 03/01/1990 | DE3927961A1 Elastomer tube to clean out sewage pipes - consists of inner plastic tube surrounded by outer corrugated covering which contains spiral wire embedded in cushioning material |
| 02/28/1990 | EP0356057A1 Noise limiter |
| 02/28/1990 | EP0355681A1 Damping device for pulsating delivering pumps |
| 02/28/1990 | EP0355680A1 Damping device for pulsating delivering pumps |
| 02/28/1990 | EP0355155A1 Insertable coupling. |
| 02/28/1990 | EP0355089A1 Method of renovating and/or protecting sewers and pipes. |
| 02/27/1990 | US4903392 Method for removing a metallic plug from a tube by simultaneously heating and stretching the plug |
| 02/22/1990 | WO1990001655A1 Clamp for coupling and sealing pipe joints |
| 02/20/1990 | US4901424 Method of forming an end seal for a pipe liner |
| 02/14/1990 | EP0354238A1 Resilient connecting device, in particular with incorporated force-measuring device and process for manufacturing it. |
| 02/13/1990 | US4899792 Fueling nozzle providing combination breakaway and swivel coupling |
| 02/13/1990 | US4899786 Breakaway fluid coupling |
| 02/08/1990 | DE3826597A1 Verschlussstopfen fuer waermeaustauscherrohre Sealing plugs for heat exchanger tubes |
| 02/06/1990 | USRE33160 Method and apparatus for inspecting lateral lines |
| 02/06/1990 | US4898199 Breakaway fluid coupling |
| 02/06/1990 | US4897911 Method of placing plastic tubes into existing openings |
| 02/06/1990 | US4897906 Method of making a fluid pressure surge damper for a fluid system |
| 02/01/1990 | DE3900133A1 Shut-off device for ducts, shafts or the like |
| 01/30/1990 | US4897135 Method of reconstructing pipe systems using fiberglass laminates |
| 01/30/1990 | US4896696 Flow control restrictor |
| 01/30/1990 | US4896688 Breakaway hose coupling device |
| 01/25/1990 | WO1990000652A1 Closure device for drainpipes |
| 01/24/1990 | EP0351570A2 Process for lining a conduit lying in the soil |
| 01/23/1990 | US4895397 Clamp |
| 01/23/1990 | US4895185 Expandable hose device |
| 01/23/1990 | CA1264648A1 Pads for absorbing pressure shocks and method of manufacture thereof |