Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
07/1990
07/17/1990CA1271686A1 Device for damping pressure surges in pipelines, especially sanitary installations
07/12/1990WO1990007672A1 Method for repairing pipes
07/12/1990WO1990007418A1 Apparatus and instrument used to line branched pipe
07/11/1990EP0377486A2 Lining pipes
07/11/1990EP0377141A2 Pipe control and closure device
07/11/1990CN1008710B Apparatus for producing double-walled corrugated pipes
07/10/1990CA1271465A2 Valve
07/10/1990CA1271315A1 Process of replacing a sleeve mounted within a pipe, and devices for carrying out that process
07/05/1990DE3943248A1 Duplex-metallrohr zur daempfung Duplex metal pipe for damping
07/05/1990DE3941792A1 Heating pipe or cable fixtures - consists of flexible strip of material with middle contact surface and slide enclosure parts
07/05/1990DE3844485A1 Process for sealing leakages in pipelines, in particular drinking-water lines
07/04/1990EP0376916A1 Method for the reconstruction of existing canals, shafts, tunnels or the like
07/04/1990EP0376804A1 Autoclave plugging device for a portion of the primary conduit of a pressurized-water nuclear reactor
07/04/1990EP0376796A1 Pig for a liquid-distribution piping, especially for hydrocarbon products
07/03/1990US4938627 Method of slipliner grouting
07/03/1990US4938450 Programmable pressure reducing apparatus for throttling fluids under high pressure
07/03/1990US4938167 Self-propelled vehicle for use in pipes
07/03/1990US4938081 Traveling device moving along elongated member
07/03/1990CA1271115A1 Lining of pipelines in passageways
06/1990
06/28/1990WO1990007079A1 Rectifier for adjusting the flow of a liquid in a pipe
06/28/1990WO1990007074A1 Secondarily contained fluid supply system
06/28/1990DE3942228A1 Sealing for leaks on containers - has resilient bell with pipe passing through connectable to suction device
06/28/1990DE3843570A1 Damping device connected between the outlets of two sources of pressure medium
06/27/1990EP0375532A1 2-Way valve to be installed downstream in a fluid distribution pig pipe-line
06/27/1990EP0355089A4 Method of renovating and/or protecting sewers and pipes.
06/26/1990US4936707 Method of laying a pipeline
06/26/1990US4936386 Method for sealing well casings in the earth
06/26/1990US4936378 Apparatus for stabilizing a tube of a heat exchanger
06/26/1990US4936351 Blow off cap
06/26/1990CA1270775A1 Apparatus for the repair of pipes
06/21/1990DE3842298A1 Device for damping pressure fluctuations in largely rigid pipelines through which fluid flows
06/20/1990EP0374083A1 A sound-insulating intermediate piece for the household-water or heating-water system of a building
06/20/1990EP0373338A2 Remotely installed steam generator nozzle dam system
06/20/1990EP0163665B1 Silencer
06/20/1990CN2058444U Foreign matter extractor
06/19/1990US4934650 Pipe support device
06/13/1990EP0373155A2 Device for damping water hammers in pipes, especially in sanitary installations
06/13/1990EP0373037A1 Device for preventing water-hammer while regulating water pressure
06/13/1990EP0258324B1 Process for restoring channels threatening to collapse, in particular profiled channels
06/12/1990US4932441 Nozzle dam seal assembly for nuclear steam generator or the like
06/12/1990US4932431 Coupling with heat fusible actuator member
06/07/1990DE3840994A1 Joint-injecting unit
06/07/1990DE3840831A1 Control device in a blower-dependent suction-extraction conduit
06/06/1990EP0371867A1 Filling device for cryogenic rocket fuel, automatically separated at launching
06/06/1990EP0371012A1 A pipe clip.
06/06/1990CN1008299B Energy absorbing apparatus for piping system
06/05/1990US4931050 Constant pressure variable flow pump
06/05/1990US4930542 Method for restoring underground pipelines
06/05/1990US4930472 Vehicle air cleaner
06/05/1990US4930223 For providing indications of the deviations of an inner wall of a pipeline
06/05/1990CA1269911A1 Fluid flow regulator
05/1990
05/31/1990WO1990005874A1 Process for repairing an inaccessible domestic pipe using a remote-controlled device operating in the main
05/31/1990WO1990005873A1 Process and device for forming a cylindrical lining in an elongated cavity
05/31/1990DE3840312A1 Force-limiting means
05/31/1990DE3839982A1 Shut-off unit for supply lines under operating pressure
05/30/1990EP0370193A2 Process for the partial reconstruction of pipes, especially drainpipes
05/30/1990EP0370108A1 Lining material of pipeline
05/30/1990EP0233239B1 A method of and apparatus for lining pipes
05/29/1990US4928866 Pipe burster
05/29/1990US4928719 Method and apparatus for preventing pulsations in a flowing fluid
05/22/1990US4927189 Internal expansion coupling device
05/22/1990US4927182 Pipeline repair clamp
05/22/1990US4927181 Apparatus and method for sealing leaks
05/22/1990US4926899 Transition conduit system for fuel pump
05/17/1990WO1990005267A1 Internal pipe repair sleeve and liner
05/17/1990WO1990005265A1 Flanged connection for valves
05/17/1990WO1990005039A1 Method of processing orifices
05/17/1990DE3838464A1 Device for closing a gas line, opening in a building, with T-piece
05/17/1990DE3590605C1 Einrichtung zum Daempfen von Schwingungen in geschlossenen Fluessigkeitsfoerdersystemen Means for steaming oscillations in closed Fluessigkeitsfoerdersystemen
05/16/1990EP0368527A1 Device and method for temporarily blocking the bore of a pipe through which a fluid flows
05/16/1990EP0368519A2 A flow restrictor
05/16/1990EP0368306A2 Apparatus for and method of controlling the opening and closing of channel for liquid
05/16/1990EP0368079A1 Apparatus for demolishing pipes on the inside
05/15/1990US4925715 Linerless roll of self fusing tape
05/15/1990US4925344 Method and apparatus for replacing buried pipe
05/15/1990CA1269049A1 360d pipe repair clamp
05/15/1990CA1269023A1 Damping pressure pulsations in piping systems
05/11/1990CA2002539A1 Apparatus for and method of controlling the opening and closing of channel for liquid
05/10/1990DE3837341A1 Device for preventing the escape of oil
05/10/1990DE3836277A1 Manipulator arm
05/09/1990EP0367633A2 Temporary plug for pipeline
05/09/1990EP0367632A2 Wax filled fuel pipes for diesel engines
05/09/1990EP0367400A2 Method of sealing a discontinuity within a gas main
05/09/1990EP0366874A1 Automatic closing-opening device for plastic gas branch pipeline
05/09/1990CN1042021A Sealing-plugs for tubes of steam generation
05/08/1990US4923221 Safety connection into passages in a tubular body
05/08/1990US4923166 In a pipe line for conveying pressurized fluids
05/08/1990US4922693 Mower equipped with a cutting bar
05/03/1990WO1990004737A1 Method and apparatus relating to pipe renovation
05/03/1990WO1990002851A3 Constructional member and method
05/03/1990DE3836679A1 Process for the gas-tight and liquid-tight closure of tubular components
05/02/1990EP0365921A2 Device for navigating closed canals
05/02/1990EP0365900A1 Method for introducing a lining into a conduit, and device for carrying out the method
05/02/1990EP0365810A2 Armature of a building inlet for a gas or water supply pipe
05/02/1990EP0365548A1 Method and apparatus for lining passages
05/02/1990CN2056723U Silencer with chngeable diameter tube
05/01/1990US4921648 Method of joining an article comprising a conductive polymer composition to a polymeric substrate
05/01/1990US4921374 Method for repairing underground sewer lines
05/01/1990US4921281 Safety connection into passages in a tubular body
05/01/1990US4921004 Piercing surge regulator valve and apparatus
1 ... 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 ... 259