| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 01/05/1994 | EP0577018A2 Band for recovering of non-metallic underground conducts or the like |
| 01/05/1994 | CN2152133Y Pipe instant stopper |
| 01/04/1994 | USH1272 Quick disconnect pressure cap |
| 01/04/1994 | US5276291 Acoustic muffler for high volume fluid flow utilizing Heimholtz resonators with low flow resistance path |
| 01/04/1994 | US5275445 Gas-tight pipe connection |
| 01/04/1994 | US5275442 Connecting element |
| 01/04/1994 | CA1325749C Vehicle suction system |
| 12/29/1993 | EP0576278A1 Compression fittings for rods, tubes and pipes |
| 12/29/1993 | CN2151345Y On site protector for breakage of pipe in use |
| 12/28/1993 | US5273414 Floating plug assembly for heating |
| 12/28/1993 | US5273252 Clamp for crimping a main, such as a gas pipe |
| 12/28/1993 | US5273077 Test cap unit for sealed fitting |
| 12/28/1993 | US5272986 Towing swivel for pipe inspection or other vehicle |
| 12/28/1993 | CA1325584C Method and apparatus for the lining of existing pipes |
| 12/23/1993 | WO1993025838A1 Coupling device |
| 12/23/1993 | WO1993025819A1 Orifice system sealing assembly |
| 12/23/1993 | CA2137825A1 Coupling device |
| 12/22/1993 | EP0574488A1 Method, pipeline and device for fitting an inner tube in an existing pipeline using air venting means. |
| 12/22/1993 | EP0574429A1 Process for the manufacture of a tubular sheath adapted to the internal lining of tubular conduits |
| 12/22/1993 | EP0455764B1 Remotely controlled installation of linings in inaccessible sewer-pipe junctions and discharge entries |
| 12/22/1993 | EP0372027B1 Process for sealing damaged pipes |
| 12/21/1993 | US5271700 Fixing member |
| 12/21/1993 | US5271648 Clamping and connecting means |
| 12/21/1993 | US5271595 Resilient support device having a non-linear elastic characteristic |
| 12/21/1993 | US5271433 Hose for lining pressure pipe lines |
| 12/21/1993 | US5271118 Plastic packing ring or disk and a method and apparatus for making same |
| 12/21/1993 | CA1325447C Tank connector construction and method of fabrication |
| 12/16/1993 | DE4224967C1 Quick-action seal for flanged union on hollow body - comprises pressure-pot actuating clamping levers on ring and compression springs between ring and pot |
| 12/15/1993 | EP0574060A1 Tape for reinforcing pressure-supporting hollow bodies and a method for repairing deteriorated pipes |
| 12/15/1993 | EP0371012B1 A pipe clip |
| 12/14/1993 | US5269433 Closure device for an orifice provided with a safety device notably for sealing the orifice of a container for chemical petroleum or analogous products |
| 12/14/1993 | US5269342 For a port in a wall of a closed fluid system |
| 12/14/1993 | US5269340 Combined hot tap pipe cutter and gate valve for plastic pipe |
| 12/14/1993 | US5269141 Hydraulic safety and regulating system |
| 12/14/1993 | CA1325185C Gas stream diffusing and distribution apparatus |
| 12/09/1993 | WO1993015131A3 Curable resin systems and applications thereof |
| 12/09/1993 | DE4227417C1 Cement mix for injection into very long annular gap, e.g. for sewer repair - contains Portland cement, liquidiser and lead cpd. to stabilise viscosity without impairing green strength and final strength |
| 12/08/1993 | EP0573298A1 Method for controlling macrofouling by mollusks |
| 12/08/1993 | EP0572409A1 Improvements in or relating to the lining of passageways. |
| 12/08/1993 | EP0553109A4 Apparatus and method of sealing ruptured tanks |
| 12/07/1993 | US5268541 Sound attenuator for low frequencies, in particular for air ducts in paper mills |
| 12/07/1993 | US5268392 For concrete; applying a hydrogenated resin; curing |
| 12/07/1993 | US5267670 Fuel dispensing system having a flexible hose with a static dissipator and a fuel leak detector and method of making the same |
| 12/07/1993 | US5267612 Friction plug for a high pressure pipe |
| 12/02/1993 | DE4224251C1 Sensor fitting into exhaust pipe - has spherical base sleeve located into hole cut into pipe. |
| 12/02/1993 | DE4217334A1 Sepn. fitment for drinking water supply systems - has differential pressure valve in rotatable vessel ensuring drain opening faces downwards irrespective of vertical or horizontal flow direction |
| 12/01/1993 | EP0571872A1 Tube coupling |
| 12/01/1993 | EP0546083A4 Adjustable protecting sleeve and fastener therefor |
| 12/01/1993 | EP0493415B1 Process and device for overhauling drains |
| 11/30/1993 | US5267279 Removing coolant, cutting defective part, replacing wtih new part, welding smoothness fittin sleeve, heating with ferrite penetration |
| 11/30/1993 | US5266754 Noise attenuator for use in blowoff vents |
| 11/30/1993 | US5265981 System and method for rehabilitating a manhole, and manhole rehabilitated thereby |
| 11/30/1993 | US5265943 Throttle with pressure limiting valve to damp pressure fluctuations |
| 11/30/1993 | US5265942 Variable response fluid brake system regulators |
| 11/30/1993 | US5265648 Pipe liner and method of installation thereof |
| 11/30/1993 | US5265647 Apparatus for transferring line travel device from one pipeline section to another |
| 11/25/1993 | WO1993023729A1 Pipe testing and locating apparatus |
| 11/25/1993 | WO1993023697A1 Expandable sealing and a method and a tool for mounting an expandable sealing |
| 11/24/1993 | EP0570989A2 Composition of intumescent material |
| 11/23/1993 | US5263843 Splittable die used in pipe lining |
| 11/23/1993 | US5263794 Environmentally safe underground piping system |
| 11/23/1993 | US5263515 Device for repairing a tube |
| 11/23/1993 | CA2096810A1 Tape for reinforcing pressure-supporting hollow bodies and a method for repairing deterriorated pipes |
| 11/18/1993 | DE4216125A1 Pneumatic cylinder with snap connection between cylinder tube and cover - has renewable sealing ring producing holding sealing force until destroyed in order to dismantle cylinder. |
| 11/18/1993 | DE4215926A1 Lining canalisation pipes - using rigid lining pipe comprising hose-shaped fibre layer saturated with hardenable resin and having plastic foil in both sides |
| 11/18/1993 | DE4215537A1 Sewer etc. pipeline testing and operation starting mechanism - fits injector in front of, or behind mechanism pipe closure |
| 11/17/1993 | CN2146639Y Splash-proof water-saving valve |
| 11/16/1993 | US5262123 Friction extrusion, metal working |
| 11/16/1993 | US5261461 Pipeline rehabilitation articulated gasketed-joint pipe |
| 11/11/1993 | WO1993022763A1 Noise control device |
| 11/11/1993 | DE4216571C1 Microbial build=up prevention in water circulation pipes - uses filtered water fed into pipe circuit to reduce microorganisms and metabolic unit to minimise microorganisms in the system |
| 11/11/1993 | DE4214476A1 Mechanism for repair cladding of sewers - has inlet duct of spray head with trumpet-shaped transition into annular duct |
| 11/10/1993 | EP0569185A1 Improvements in the lining of sewers and the like |
| 11/10/1993 | EP0407575B1 Apparatus and instrument used to line branched pipe |
| 11/09/1993 | US5260523 Absorptive sound attenuator, in particular for air ducts in paper mills |
| 11/09/1993 | US5259418 Heat reshapeable regid conduit |
| 11/04/1993 | DE4213893A1 Pipe clip with sound-absorbing insert - has insert support fixable on clip arm and connected by elastic intermediate element to supporting body biassing pipe. |
| 11/03/1993 | EP0568129A2 Noise attenuation system |
| 11/03/1993 | CN2145305Y Expansion orifice plug with milti-caliber |
| 11/03/1993 | CN2145304Y Plugging apparatus for pipe end |
| 11/03/1993 | CN2145303Y Pipe with gas butt joining tool |
| 11/02/1993 | US5257768 Vibration-damping holding element for pipelines |
| 11/02/1993 | US5257653 For use at a filling stand |
| 11/02/1993 | US5257648 Pressure testing of tubular fitting installed to a ported wall |
| 11/02/1993 | US5257608 Device in a fuel system for an internal combustion engine |
| 10/28/1993 | WO1993021399A1 System and process for relining channel pipe sections |
| 10/28/1993 | WO1993021398A1 System and process for relining channel pipe sections with inspection facilities |
| 10/28/1993 | WO1993021099A1 Diaphragm power jack |
| 10/28/1993 | WO1993020967A1 Method of repairing underground pipe |
| 10/28/1993 | DE4213732A1 Closure for pressurised duct in pneumatic component - has clamping sleeve with radially adjustable sprung arm with external, pointed fixture edge |
| 10/28/1993 | DE4213526A1 Pipeline branch with pipe section and movable scraper - has width of branch opening equal to flange internal dia.,but smaller width in longitudinal direction than scraper seal spacing |
| 10/28/1993 | DE4213524A1 Hydraulic brake and wheel slip control for vehicle - has reflection dampers in pipe lines to counteract pump pressure waves |
| 10/28/1993 | DE4213068A1 System und Verfahren zum Relining von Kanalrohrabschnitten System and Method for relining of sewer pipe sections |
| 10/28/1993 | DE4213067A1 Tube-like in liner for relining transport piping e.g. sewage pipes - made of thermoplastic polymer comprising VLDPE, LDPE, filters, pigments or adjuvants and other polymers |
| 10/27/1993 | EP0566813A1 Hose with a flow restrictor for hydraulic sanitary installations |
| 10/27/1993 | EP0456732B1 Improvements relating to the lining of pipelines and passageways |
| 10/26/1993 | US5257316 Acoustic conductance and silencer utilizing same |
| 10/26/1993 | US5256367 Pipe and sewer lining method |
| 10/26/1993 | US5256342 Method of lining a host pipe with a liner using cryogenic cooling |
| 10/26/1993 | US5255942 Pipe joints |