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 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water
Patents for F16L 1 - Laying or reclaiming pipes; Repairing or joining pipes on or under water (7,464)
04/1992
04/30/1992WO1992007144A1 Process for building structural works comprising an arch and prefabricated parts for carrying out said process
04/30/1992DE4034335A1 In or through-pull feed for cables and lines - has main drive dice for pull-through element and endless compression member passing over deflection pulleys
04/29/1992CN1016407B Method and apparatus deforming reformable tubular pipe liners
04/28/1992US5108229 Pipe installer and method for installation of pipe
04/21/1992US5106235 Watering system
04/08/1992EP0479519A1 Coupling device for pipeline heating system
04/07/1992US5102073 Freestanding concrete pipe support
04/07/1992US5101863 Rehabilitating underground pipes with expanding helically wound liner
04/07/1992US5101552 Conduit collector feeder
03/1992
03/31/1992US5099959 Device for braking the unwinding of an elongate element such as a hose or cable
03/31/1992CA1298089C Pipe propelling apparatus
03/26/1992DE4029996A1 Assembly and/or dismantling mechanism for heavy fittings - has two holders, each with several slidable clamps
03/25/1992EP0477081A2 Method for producing a resin pipe for use as the inner lining of existing pipes
03/24/1992US5098225 Cutting/expanding tool
03/21/1992WO1992005010A1 Positive seal coupling internal joining press
03/21/1992CA2090671A1 Positive seal coupling internal joining press
03/18/1992EP0475699A1 Abandonment of a branch main
03/18/1992EP0474845A1 Process for laying flexible tubular conduits using a plurality of ships.
03/11/1992CN1015820B 管接头 Fittings
03/11/1992CN1015818B Pipe burster
03/10/1992US5094496 Pipe pulling devices
02/1992
02/26/1992CN2097333U Assembling machine for cold-pressed mouth of pipeline
02/21/1992WO1992003680A1 Method and apparatus for positioning components
02/18/1992US5089179 Floating aerator arrangement
02/11/1992CA1295489C Control apparatus used to bury a flexible pipe or cable under a considerable water depth
01/1992
01/28/1992US5083820 Pipe coupling
01/21/1992CA1294542C Fluid transfer device between sea floor and surface
01/15/1992EP0466219A1 Pipeline with ground anchors
01/15/1992EP0465667A1 Method of and apparatus for laying pipes
01/15/1992CN2093296U Heating piping assembly which can be constructed by use of new method and antirust
01/14/1992US5079816 Positive seal coupling internal joining press
01/14/1992CA1294227C Pipeline joint protector
01/07/1992US5078430 Pipeline for relining sewers and water lines without excavation
01/07/1992CA1293853C2 Method and apparatus for joining pipe
12/1991
12/28/1991CA2043467A1 Pipe-laying apparatus
12/24/1991US5074712 Method and apparatus for remote repair of subsea pipelines
12/18/1991EP0461140A1 Improvements relating to the lining of pipelines or passageways.
12/17/1991US5072901 Pipe support stand
12/10/1991CA1293008C Pipe connection joints
11/1991
11/28/1991WO1991018235A1 Pipe bursting and replacement apparatus and method
11/27/1991EP0458778A1 Tubular reusable and inflatable moulding form of elastic material
11/13/1991EP0456123A1 Pipe clamps
11/12/1991CA2042294A1 Pipe clamps
10/1991
10/31/1991DE4013333A1 Machine for laying composite pipes - consists of coiled liner and strip with elongated reinforcement ridges and elongated hole
10/31/1991DE4013019A1 Apparatus separating and holding together two telescopic pipe sections - consists of sealing ring holder, and counter piece with immovable holder applied to pipe sections
10/30/1991EP0302061B1 Pipe for relining underground pipelines
10/22/1991CA1290948C Railroad cable laying apparatus with plow blade support and dual plow tethering
10/17/1991WO1991015699A1 Device and process for unrolling flexible tubular conduits essentially vertically
10/17/1991WO1991015697A1 Method and apparatus for constructing and moving long pipelines
10/17/1991WO1991015696A1 Process for laying flexible tubular conduits using a plurality of ships
10/17/1991WO1991015397A1 Device for depositing and recovering a heavy load on the ocean floor
10/17/1991DE4023695A1 Pipe laying equipment for sewers - comprises solid body with flat underside, and concave upper side to accommodate pipes
10/17/1991CA2056398A1 Process for laying flexible tubing using a plurality of boats
10/17/1991CA2056394A1 Device for depositing and recovering a heavy load on the ocean floor
10/16/1991EP0451683A2 Propulsion process of buried pipe
10/16/1991EP0418257A4 Rehabilitating underground pipes
10/09/1991EP0450675A1 Vessel for depositing material on the sea bed
10/09/1991EP0450220A1 Method of renovating and/or protecting sewers or pipes
10/08/1991US5054730 Pipe strut system and method for using same
10/08/1991US5054677 Pipe burster
10/08/1991CA1290318C Pipe burster
10/02/1991CN1014176B Apparatus for conveying liquid between bottom and surface of sea
10/01/1991WO1991015698A1 Device for laying tubular conduits comprising a submerged mobile clamp and process using said device
10/01/1991WO1991015695A1 Method for laying tubular conduits
10/01/1991WO1991015694A1 Flexible tubular handling conduit and process and device using said conduit
10/01/1991US5052859 Seabed stabilization mattresses
10/01/1991CA2079459A1 Method for laying tubular conduits
10/01/1991CA2079458A1 Device for laying tubular conduits comprising a submerged mobile clamp and process using said device
09/1991
09/24/1991US5051034 Magnetically detectable plastic pipe
09/24/1991US5051028 Method and apparatus for installation of drainage field
09/19/1991WO1991013608A1 Dentifrice inhibiting dental plaque
09/18/1991EP0446287A1 Method of laying a pipe for the transportation of a fluid.
09/11/1991EP0414891A4 Method and device for trench-free laying of pipelines
09/10/1991US5046531 Synthetic resin pipe for underground use
09/10/1991US5046349 Expansion tool for hollow working parts
09/05/1991WO1991013283A1 Method of trench-free replacement of pipeline
09/04/1991EP0444974A1 Method and device for the replacement of underground pipelines
09/04/1991EP0444217A1 Method for trenchless replacement of a pipeline
09/03/1991US5045368 Self-dispensing spaced electronic markers
09/03/1991US5044827 Method for recovering wet buckled pipe
09/03/1991US5044825 Method and installation for laying a pipeline
09/03/1991US5044303 Sub-surface conduit marking apparatus
08/1991
08/28/1991CN1013698B Non-ditch technology and mechanical tools for laying long pipeline
08/27/1991US5042958 Method and apparatus for installing sewer and drainage pipe
08/20/1991CA1287724C Modular building system for wide section covered structure, and related construction process
08/17/1991WO1991012408A1 Pipe connection device
08/13/1991US5039253 Method for trenchless laying of pipes and an arrangement for carrying out the method
08/10/1991WO1991012119A1 Methods, apparatus and devices relating to magnetic markers for elongated hidden objects
08/07/1991EP0439580A1 Pipe joint.
08/02/1991CA2034852A1 Process and device for replacing an underground pipe
07/1991
07/31/1991EP0439090A1 Fluid connection method and assembly
07/31/1991CN1053415A Float aerator
07/30/1991WO1991011563A1 Method of and apparatus for laying pipes
07/30/1991US5036210 Magnetically detectable plastic pipe
07/30/1991US5035922 Covering pipe with slippery coating or surface comprising a hydrophilic polymer which is reacted with a polyol
07/30/1991US5035540 Shallow water pipeline tracker system
07/25/1991WO1991010516A1 Preventative maintenance system for underwater pipes
07/24/1991EP0437718A1 Floating aerator
07/23/1991US5034180 Method for installing a substantially rigid thermoplastic pipe in an existing pipeline
07/23/1991CA1286581C Process and apparatus for installing a new pipe inside an existing pipe
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