Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
11/1988
11/02/1988EP0289485A1 Circuit arrangement for limiting shock impact on hydraulic long distance pipelines
11/02/1988EP0289103A2 Pipe connector and method of applying same
10/1988
10/27/1988DE3718497A1 Tensile-force delimiting means in a gas-supply line
10/27/1988DE3711547A1 Safety valve for gas supply line
10/25/1988US4779650 Telescoping drain assembly for recreational vehicles
10/25/1988US4779638 Breakaway swivel coupling
10/25/1988US4779625 Damping device for circulatory pressure measuring apparatus
10/25/1988CA1243697A1 Airspring with pneumatic fitting
10/20/1988WO1988008096A1 Diaphragm
10/20/1988WO1988007919A1 Apparatus for boring at branching portion of lined pipe
10/20/1988DE3809310A1 Stretchable hose for the reduction of pressure pulsations
10/20/1988DE3711429A1 Device for providing sound damping on a sanitary fitting
10/19/1988CN88203879U Damping joint of gas current pipeline
10/18/1988US4778553 Method of lining a pipeline with a flexible tubular sleeve
10/18/1988US4777984 Method for lining a pipe or main
10/18/1988US4777905 Apparatus for the repair of pipes
10/12/1988EP0286362A2 Safety valve
10/12/1988EP0286023A1 Device for protecting gas pipelines
10/11/1988US4776370 Apparatus for securing a cable to a tubular pipe liner
10/06/1988WO1988007645A1 Sanitation machine for repairing and sealing inaccessible ducts
10/04/1988US4775501 Fusion using electricity
10/04/1988US4774905 Apparatus for internally coating pipes
09/1988
09/27/1988US4773450 Interlining of fluid transport pipelines, pipes, and the like
09/22/1988WO1988007154A1 Device in lining of pipes
09/22/1988DE3707972A1 Method of plugging (sealing) leaks in a system traversed by a liquid medium
09/22/1988DE3707601A1 Safety plug for pipes under pressure
09/21/1988EP0283192A1 Pipeline conditioning
09/21/1988EP0282588A1 Device for boring lining of pipe line
09/20/1988US4772031 Acrylic adhesive sealant and leak sealing method
09/20/1988US4771810 Multi-seal mechanical tube plug
09/15/1988DE3706988A1 Pressure reducer
09/14/1988EP0177548B1 A pulsation damper for absorbing pressure pulsations in a high pressure hydraulic system.
09/13/1988US4770562 Method of salvaging a pipe conduit buried under ground
09/13/1988US4770105 Piping travelling apparatus
09/13/1988CA1241983A1 Fluid vibration apparatus
09/08/1988DE3706556A1 Means for safeguarding against pipe rupture for service lines
09/08/1988DE3706120A1 Stub coupling
09/08/1988DE3706119A1 Stub coupling
09/08/1988DE3705968A1 Material for protection
09/07/1988WO1988006694A1 Pipe-fracture safety valve
09/07/1988WO1988006693A1 Suction device
09/06/1988US4769207 Cylindrical insert
09/06/1988US4768813 For sealing leaks in an existing pipe
09/06/1988US4768562 Pipe liner
09/06/1988US4768561 Process for sealing pipes
09/06/1988US4768560 Pipe plugs
09/06/1988US4768537 Air hose to water hose adapter and connector
09/01/1988DE3705797A1 Safety valve for securing pipelines
08/1988
08/31/1988EP0280404A1 Dimensionally-recoverable damping article
08/31/1988EP0280034A2 Nozzle dam segment bolt and keeper
08/30/1988US4767603 Continuously polymerizing, ejecting and wiping tube reactor interior; flooding oil bearing formations
08/30/1988US4767243 Pneumatic conveying system with directional change of a gas/particulate material stream
08/30/1988US4767236 Sewer renovation by expanding a liner within the sewer and placing a new pipe within the expanded liner
08/30/1988US4766925 Dump valve assembly
08/30/1988CA1241245A1 Non-bolted ringless nozzle dam
08/25/1988WO1988006253A1 Apparatus for installing an insert in a pipe
08/25/1988DE3740443A1 Service pipe, in particular for gas supply
08/24/1988EP0279569A2 Sliding plate valve
08/23/1988US4765374 Multi-seal mechanical tube plug
08/23/1988US4765366 Temperature compensated control valve for automatic transmissions
08/23/1988US4765049 Inserting tool for elastomer die plug
08/17/1988EP0278466A1 Improved passageway lining material
08/17/1988EP0278301A2 Air flow regulating and noise reducing assembly specifically for hydromassage equipments
08/17/1988EP0278209A1 A blowing nozzle
08/16/1988US4764332 Sealing element and method for hydrotesting of nuclear reactor tubular elements
08/16/1988US4763683 Breakaway coupling for a coaxial fuel supply hose
08/11/1988WO1988005884A1 Method of renovating and/or protecting sewers and pipes
08/11/1988WO1988005707A1 Integrated modular tool system
08/11/1988DE3702692A1 Force-limiting means for supply lines, in particular gas lines, leading to houses
08/10/1988EP0277586A2 Proportioning valve in a conduit adapted to a go-devil
08/09/1988US4762585 Epoxy resins with amine curing agents
08/09/1988US4762266 Method for performing remotely-manipulated work on a conduit of a nuclear facility
08/09/1988US4762152 Motor vehicle heat exchanger manifold assembly
08/09/1988US4762151 For sealing a conduit
08/09/1988US4762150 Hose having orifice
08/09/1988US4762140 Snap-off plug valve
08/09/1988US4761968 For removing moisture from air and like gases used in pnuematic systems
08/09/1988CA1240277A1 Pipe repair clamp
08/02/1988US4761023 Telescoping joint
08/02/1988US4760868 For insertion in the bore of a fluid carrying tube
08/02/1988CA1239953A1 Reducer coupling and positioner tool for the coupling
08/02/1988CA1239844A1 Temporary obturation panel of a passage inside a vessel accessible only through an orifice of smaller size
07/1988
07/29/1988EP0262183A4 Method and means for lining and overwrapping of conduits.
07/28/1988DE3801036A1 Automatic air-outlet device for fluid-channelling pipelines, with a pressure-compensation system
07/28/1988DE3701011A1 Device for shutting off supply lines, particularly gas pipes
07/28/1988DE3700883A1 Method of renewing linear underground structures accessible by walking or crawling and having a closed profile, in particular sewers, as well as a set of plastic structural elements for realising the method
07/27/1988EP0275697A1 Fluid flow control device
07/27/1988EP0275277A1 Locking of cover against a flange.
07/27/1988CN87211606U Radius-reducing device with peripheral uniform pressure
07/26/1988US4759579 For removing a pig from a pipeline
07/26/1988US4759387 Pulsation absorbing device
07/21/1988DE3741424A1 Sound-insulating fastening device
07/21/1988DE3700679A1 Coupling for socket pieces
07/20/1988EP0275060A1 Improvements relating to the lining of pipelines and passageways
07/20/1988CN86210278U Flexible metal joint used for carrier pipe
07/19/1988US4758454 Lining of passageways
07/14/1988WO1988004987A1 Duct lining method
07/13/1988EP0273960A1 Device with a valve function.
07/13/1988EP0112841B1 The lining of pipelines or passageways
07/12/1988US4756644 Rerounding apparatus