| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 10/26/1993 | US5255721 Fuel spillage control apparatus |
| 10/26/1993 | US5255716 Pipe rectifier for stabilizing fluid flow |
| 10/21/1993 | DE4311365A1 Mobile appts. for internal machining of pipes or ducts - incorporates three DC motors enabling console to rotate and move radially during advance along axis of pipe |
| 10/21/1993 | DE4214824C1 Icing-preventer for well tube - comprises vapour-barrier in tube below ground level and typically sliding freely in it |
| 10/21/1993 | DE4212743A1 Low noise throttle unit - has throttle rings operating with radially extending profiled sections, with flow channels arranged in between. |
| 10/21/1993 | DE4212487A1 Renewal of sewage pipes etc. - using perforated foil hose, to inflate foil hose with warmed gas, to harden pipe liner |
| 10/20/1993 | EP0565679A1 Method for the replacement of, in particular, sewage pipes, and a device for carrying out the method. |
| 10/20/1993 | EP0565627A1 Fuel spillage control apparatus |
| 10/20/1993 | CN2144233Y Flow carrying holding branching device for pressure fuel gas pipeline |
| 10/20/1993 | CN1077558A Sound absorption structure |
| 10/19/1993 | US5255321 Acoustic transducer for automotive noise cancellation |
| 10/19/1993 | US5255294 Sealing device for cylindrical hollow bodies with an opening at an end face, especially for sealing pump sockets in the interior of reactor containers |
| 10/19/1993 | US5253956 Method of lining branch line |
| 10/19/1993 | CA1323339C Valve system |
| 10/14/1993 | WO1993020381A1 Relining pipe |
| 10/14/1993 | WO1993020371A1 Underground pipe replacement method and apparatus |
| 10/14/1993 | CA2132190A1 Underground pipe replacement method and apparatus |
| 10/14/1993 | CA2131459A1 Relining pipe |
| 10/13/1993 | EP0565183A1 Water hammer absorber |
| 10/13/1993 | EP0565136A2 Compressed air and venting system |
| 10/13/1993 | EP0564741A1 Method and apparatus for repairing a pipeline |
| 10/13/1993 | EP0379493B1 Slip control for helically wound pipes |
| 10/13/1993 | CN2143712Y Wear-resistance flow regulator |
| 10/12/1993 | CA1323023C Two piece male-female grommet |
| 10/08/1993 | CA2093458A1 Method and apparatus for repairing a pipeline |
| 10/07/1993 | DE4309952A1 Elastic suspension for exhaust pipe of motor vehicle - consists of elastic block with suspension hooks, and finger on one hook end, to prevent block movement after assembly |
| 10/07/1993 | DE4211309A1 Securing device comprising stopper for connecting gas meters to gas pipes - involves stopper having external right-hand thread with screw extension and blind bore with internal left-hand thread |
| 10/06/1993 | EP0563853A1 Closing or diversing valve with a passage adapted for a pig |
| 10/06/1993 | EP0563706A1 Sound dampening resonator for pipelines |
| 10/06/1993 | EP0528801A4 Pipe bursting and replacement apparatus and method |
| 10/06/1993 | CN1022346C Inside processing apparatus |
| 10/05/1993 | US5251241 Nuclear steam generator wrapper closure assembly and method of installing same |
| 10/05/1993 | US5249786 Pipe restraint system |
| 10/05/1993 | US5249604 Tube plug for plugging a tube |
| 10/05/1993 | CA1322675C Thermoplastic sight monitor |
| 09/30/1993 | WO1993019322A1 Pipeline repair apparatus including expandable forms |
| 09/30/1993 | WO1993019321A1 Apparatus for use in repairing a pipeline and method for carrying out such repairs |
| 09/30/1993 | DE4220294C1 Connector for joining replacement pipe to cut off ends of pipe - consists of pipe piece with sealing rings, and flat steel band pulling pipe piece |
| 09/30/1993 | CA2132701A1 Pipeline repair apparatus including expandable forms |
| 09/30/1993 | CA2132526A1 Apparatus for use in repairing a pipeline and method for carrying out such repairs |
| 09/29/1993 | EP0562706A2 Method of lining a pipe |
| 09/29/1993 | CN2142918Y Stress-sealed coupling accessory for pipeline |
| 09/28/1993 | US5247967 Pipe repair apparatus |
| 09/28/1993 | US5247816 Locking means, for a faucet |
| 09/23/1993 | DE4208863A1 Material investigation arrangement for e.g. waste water channel walls - contains transport mechanism with signal generator contg. microwave generator and receiver connected to comparative evaluation device |
| 09/23/1993 | DE4207038A1 Connection to existing main drain by new pipe - where seal is formed by inverting resin soaked packing into joint and holding under pressure until hardened |
| 09/22/1993 | EP0561510A1 Apparatus intended to be buried in ground beneath water |
| 09/22/1993 | EP0561502A1 Combined pressure wave suppressor, air/vapor purge and check valve |
| 09/22/1993 | EP0561467A1 Method for repairing local damage to pipelines by applying cladding with an interposed protective sheath |
| 09/22/1993 | EP0420959B1 Method of repairing a pipeline and apparatus for use in such a method |
| 09/22/1993 | EP0396696B1 Process for repairing an inaccessible domestic pipe using a remote-controlled device operating in the main |
| 09/21/1993 | US5246641 Method for lining a pipe with a cement mortar |
| 09/21/1993 | CA1322379C High pressure rod sealing unit for fluid pressure gauges |
| 09/19/1993 | CA2091819A1 Method for repairing local damage to pipelines by applying cladding with an interposed protective sheath |
| 09/16/1993 | WO1993018334A1 Method and apparatus for repairing conduits |
| 09/16/1993 | WO1993018328A1 Leak preventing device for a closed container |
| 09/16/1993 | WO1993018311A1 A plug to be fixed to a tube by a glue joint |
| 09/16/1993 | DE4207583A1 Elastic mounting for vehicle exhaust pipe - has shaped elastomer block with upper mounting axis at right angles to lower flexible clamp for pipe |
| 09/16/1993 | DE4207029A1 Conveyor pipe for loose bulk materials with sound damping - has twin-shelled body with interlining of plastics material for acoustic insulation. |
| 09/14/1993 | US5244624 Method of installing a new pipe inside an existing conduit by progressive rounding |
| 09/14/1993 | US5244307 Anti-pollution piping and dispensing system |
| 09/14/1993 | US5244237 Fitting with a compressible lining |
| 09/14/1993 | US5244015 Pipe-end protector |
| 09/09/1993 | DE4207037A1 Renovation of sewage pipe in region of branch pipe - lines pipe with fibre mat impregnated with synthetic resin |
| 09/09/1993 | DE4206623A1 Performing internal work on laid pipeline - involves carrier with adjustable guide rods at its sides and radially adjustable bearing |
| 09/09/1993 | DE4206609A1 Two-channel optical inspection system for pipelines and ducts - has spectral filters rotating with camera head about axis of pipe and stationary matrix image sensor |
| 09/08/1993 | EP0559592A1 Device for the repair in-situ of inaccessible conduits or ducts and method for restoration using the said device |
| 09/08/1993 | EP0559078A1 Cooling clamp for freezing pipes |
| 09/08/1993 | EP0558531A1 Improvements relating to the lining of pipelines or passageways |
| 09/08/1993 | EP0558472A1 Improvements in attenuators |
| 09/08/1993 | CN2141862Y Buoyance type automatic negative pressure drainage device |
| 09/07/1993 | US5242517 Pipe liner and a method for manufacturing same |
| 09/07/1993 | US5241993 Method for grouting cavities using a pumpable cement grout |
| 09/07/1993 | US5241979 Structure of an elbow pipe |
| 09/07/1993 | CA1321862C Pig extractor |
| 09/06/1993 | WO1993018333A1 Pipe seal |
| 09/02/1993 | WO1993017266A1 Environmentally safe underground piping system |
| 09/02/1993 | DE4206409A1 Pipework cleaning vehicle with hydraulic pump - which operates a pressure converter to pressurise water along hose to cleaning head inserted in pipes. |
| 09/02/1993 | CA2130191A1 Environmentally safe underground piping system |
| 09/01/1993 | EP0557838A1 Process for carrying out repairs of already installed manufactured articles for conveying and/or containing fluids, such as pipings, piping lengths, tanks, reaction columns and the like, and the relevant equipment |
| 09/01/1993 | EP0557517A1 Method of forming and reforming a plastic composite |
| 09/01/1993 | EP0502072B1 Thermoplastic saddle in two parts for repairing or renovating a pipeline with branch pipe and repaired or renovated pipe with a saddle |
| 09/01/1993 | EP0440733B1 Flanged connection for valves |
| 08/31/1993 | US5240674 Two method for controlling macrofouling by mollusks by using heat |
| 08/31/1993 | CA1321699C Heat recoverable article |
| 08/26/1993 | DE4303197A1 Device for sealing defect pipe walls - has a balloon fitted into a sealing mat and fillable with a pressurised medium. |
| 08/25/1993 | EP0556358A1 Inner treatment process and device for inaccessible pipes |
| 08/25/1993 | EP0556236A1 Improvements relating to the lining of pipelines or passageways |
| 08/25/1993 | CN2141013Y Sealing bag |
| 08/24/1993 | US5238338 Machining device operating inside a canalization |
| 08/24/1993 | US5238331 Modularized machine for reconditioning pipelines |
| 08/24/1993 | US5238054 Steam generator nozzle dam |
| 08/24/1993 | CA1321611C Clamp for coupling and sealing pipe joints |
| 08/24/1993 | CA1321479C Method of pipe replacement (no.1) |
| 08/19/1993 | WO1993016320A1 Improvements relating to the lining of pipelines or passageways |
| 08/19/1993 | DE4204189A1 Reversing sound damper in air duct |
| 08/19/1993 | DE4204174A1 Packer with inflatable sealing elements and piston pump - uses second piston cylinder unit to move first piston to apply hardening sealing means to inside wall of pipe |
| 08/18/1993 | EP0555814A1 Bended sound absorber |
| 08/18/1993 | EP0555570A1 Sealing of pipes |
| 08/17/1993 | CA2010202C Internal expansion coupling device |