Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
04/1995
04/06/1995DE4403067C1 Device for keeping liquid pipelines, which are open at one end, free of ice
04/06/1995DE4400069C1 Adjustable choke with flat passage cross-section
04/05/1995EP0646423A1 Apparatus for cleaning a piping
04/05/1995CN1101110A Valve with segmented seal retainer ring
04/04/1995US5403122 Process, in particular to install sewer pipes and a device to carry out the process
04/04/1995US5403120 Method of installing a substantially rigid thermoplastic pipe in existing main and lateral conduits
04/04/1995US5402828 Closure device with dual-mandrel-acutated peripheral seal
04/04/1995CA2044286C Self-propelled and articulated vehicle with telescopic jacks to carry pipework inspection
03/1995
03/30/1995WO1995008737A1 Improvements relating to the lining of pipelines and passageways
03/30/1995WO1995008736A1 Branch connection seal
03/30/1995WO1995008436A1 Wastewater system rehabilitation using multi-layer liner
03/30/1995DE4436052A1 Device for venting liquids
03/30/1995CA2170162A1 Improvements relating to the lining of pipelines and passageways
03/30/1995CA2132154A1 Method and fitting for connecting opposed ends of a pair of pipe sections
03/29/1995EP0644991A1 Coupling device
03/29/1995EP0632874A4 Pipeline repair apparatus including expandable forms.
03/28/1995US5400827 Metallic sleeve for bridging a leakage point on a pipe
03/28/1995US5400826 Temporarily blocking the bore of a pipe through which a fluid flows with a foamed plus removed by dissolving
03/28/1995US5400814 Method for blocking a pipe and device therefor
03/28/1995US5400492 Method of severing/replacing connector in water service pipe
03/28/1995US5400456 Pipeline scraper
03/24/1995CA2106811A1 Duct sealing apparatus and ducting system
03/23/1995WO1995008075A1 Improvements relating to the lining of pipelines or passageways
03/23/1995DE4331809A1 Silencer in the shape of a pipe stub for a flowable medium, preferably a liquid
03/22/1995EP0643789A1 System and process for relining channel pipe sections.
03/22/1995EP0643788A1 System and process for relining channel pipe sections with inspection facilities.
03/21/1995US5399301 Method and apparatus for expanding replacement pipe
03/21/1995US5398976 Connecting device for pipe assemblies
03/21/1995US5398974 Pipe connecting member
03/21/1995US5398907 Hanger for vehicle exhaust systems and the like
03/18/1995CA2132126A1 Increased efficiency method and apparatus for lining a pipe with a cement mortar
03/16/1995WO1995007434A1 Pipe arrangement for low temperature fluid
03/16/1995WO1995007433A1 Repair of drains and pipelines
03/16/1995DE4331367A1 Inner socket for sealing pipe joints in pipelines, and sealing process
03/16/1995CA2170620A1 Repair of drains and pipelines
03/15/1995EP0511260B1 Improvements relating to the lining of pipelines or passageways
03/14/1995US5397513 Method for installing a length of substantially rigid thermoplastic pipe in an existing conduit
03/14/1995US5396923 Surge relief apparatus and method
03/14/1995CA2055421C Trenchless pipeline replacement
03/11/1995CA2131861A1 Flow control means for filtering apparatus and the like
03/09/1995DE4429682A1 Valve, especially an expansion valve for refrigerating systems, and a method for its manufacture
03/09/1995DE4401318A1 Device for sealing leakage points in pipes from the pipe interior, and process for sealing the leakage locations
03/08/1995EP0591294B1 Gas and/or liquid tubular duct
03/08/1995CN2191345Y High-pressure wire rubber hose joint fastener
03/08/1995CN1099855A Pipe coupling for repair
03/08/1995CN1099846A Suction gas conduit
03/07/1995US5395524 Apparatus for filtering a fluid in a fluid supply conduit
03/07/1995US5395472 Lining system and methods for installing plastic liners in a pipe
03/02/1995WO1995006088A1 Improved structural strength coating and material
03/02/1995WO1995005908A1 Valve, in particular expansion valve for refrigerating systems, and a method for the manufacture thereof
03/02/1995DE4328658A1 Pipe lining with foamed inner layer
03/02/1995DE4328618A1 Process for renewing underground pipes and conduits
03/01/1995EP0640787A1 Method of lining a branch pipe
03/01/1995EP0640727A1 Method and device for connecting and sealing a branch pipe to a main pipe which is to be reconstructed with a plastic inliner
03/01/1995EP0640464A2 Method of manufacturing a branch pipe liner bag
03/01/1995EP0640195A1 Pipe insertion method and apparatus
03/01/1995EP0620836A4 Deteriorated structure repair method and substratum for restoring and lining corroded structure.
02/1995
02/28/1995US5394431 Apparatus for preventing dust accumulation in exhaust duct of an electric furnace
02/28/1995US5393481 Lining of pipelines or passageways
02/28/1995US5393101 Connector assembly
02/28/1995US5392826 Aircraft waste system drain valve
02/28/1995US5392816 Assembly of mouthpiece, stopper and lock for shutting off a pipe mouth
02/28/1995US5392715 In-pipe running robot and method of running the robot
02/23/1995WO1995005558A1 Steam trap
02/23/1995WO1995005556A1 Axially swaged fitting
02/23/1995WO1995005527A1 Pressure control device
02/23/1995DE4340694C1 Silencer for use in papermaking installations
02/23/1995DE4328039A1 Pressure-medium connection inside a hollow space
02/22/1995EP0639739A1 Pipe clamp with elastic insert
02/22/1995EP0639252A1 Closure for closing a pressurized medium flow channel in a pipe system under pressure
02/22/1995CN1099123A Suction conduit assembly mounting
02/21/1995US5390967 Flexible vent pipe connector system
02/21/1995US5390896 Energy loss device
02/16/1995WO1995004895A1 Method and apparatus for expanding replacement pipe
02/16/1995WO1995004646A1 Process for making a tubular cladding hose
02/16/1995DE4427633A1 Hose for producing a pipe or a pipe lining
02/16/1995DE4342207C1 Cryosystem
02/15/1995EP0638757A1 Apparatus for testing and/or repairing channels
02/15/1995EP0638756A1 Device for mounting a tube on a support
02/15/1995EP0638155A1 Support fixture for a pipe, in particular for an electrical conduit
02/15/1995CN2189688Y Rush-repairing case pipe without water cut-off
02/14/1995US5389692 Blend of polymer and surfactant
02/14/1995US5388929 Method of renovating and/or protecting sewers or pipes
02/14/1995US5388865 Pressure regulator vent piping coupler
02/14/1995US5388617 Pipe repair method using a shape-memory alloy and pipe repair member
02/14/1995US5388616 Invertible liner for internal surfaces of fluid conveying pipes and the like
02/14/1995US5388528 Vehicle for use in pipes
02/14/1995US5388317 Method for reinforcing and repairing equipment parts and components subjected to heavy abrasive wear
02/14/1995US5388288 Plumbing test and trap fitting
02/14/1995CA2082509C Internal pipe inspection system
02/09/1995WO1995004236A1 Underground pipe replacement technique
02/09/1995DE4333690C1 Mobile device for the analysis of reflected sound for the inspection of sewer pipes from the inside on-site
02/09/1995DE4326503A1 Process for producing a tubular lining hose
02/09/1995CA2167811A1 Underground pipe replacement technique
02/08/1995EP0637737A1 Method of inspecting a pipe liner bag
02/08/1995EP0637554A1 Gum formed liner with leakage testability
02/08/1995EP0637456A1 Tubing clamp
02/07/1995US5386925 Expansion tank
02/07/1995US5386924 Cap for gas outlet nozzles
02/02/1995WO1995003526A1 An inspection system for a conduit