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 58 - Protection of pipes or pipe fittings against corrosion or incrustation
Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790)
10/1990
10/16/1990CA1275233C Method for lining pipe lines
10/11/1990DE4010943A1 Anodic protection for systems carrying neutral or weakly acid water - positively polarises systems with anodic current density of 0.5 to 1.0 micro amps per square metre
10/10/1990EP0391270A1 Use of low shrinkage systems on the basis of unsaturated polyester resins in the restoration of pipe-lines
10/09/1990US4961978 Novel closure device for shrinkwraps
10/08/1990WO1990012235A1 Recoverable sleeve assembly for pipe joint
10/03/1990EP0390436A2 Novel adhesive coatings
10/03/1990CN2063194U Cathodic protection potencial negative bias probe for underground conduit
09/1990
09/28/1990CA2012754A1 Novel adhesive coatings
09/19/1990CN1009678B Metal pipes jointed at their ends, production process and apparatus for carrying it out
09/18/1990CA1274151A1 Shaped woven fabrics
09/12/1990EP0386428A2 Process and equipment for lining concrete pipes
09/11/1990US4955116 Method for producing tubular needle punched felt
09/06/1990CA2011432A1 Closure device for shrinkwraps
08/1990
08/29/1990EP0384054A1 A corrosion-resistant article
08/28/1990CA1273278A1 Method and a device for lining pipelines by means of flexible hose containing a curable plastic
08/21/1990US4950551 Being electroplated aluminum of purity greater than 99.99 percent
08/10/1990WO1990009542A1 Method of corrosion protection at pipe junctions
08/09/1990CA2009768A1 Method for corrosion protection at pipe junctions
08/07/1990US4946529 Crosslinked adhesive system
08/07/1990US4946528 Method and equipment for producing protective-coated steel pipe
08/07/1990CA1272363A1 Adapting piece of thermoplastic material
07/1990
07/24/1990US4942903 Fire and corrosion protected hose
07/11/1990EP0377486A2 Lining pipes
07/10/1990US4940820 Wraparound recovery article
07/04/1990CN1043553A Assembled type corrosion prevention and heat preservation "jacket"
06/1990
06/27/1990EP0375532A1 2-Way valve to be installed downstream in a fluid distribution pig pipe-line
06/21/1990CA2006067A1 Insulated electrical conductor
06/13/1990EP0372605A2 Corrosion protection for flue gas desulfurization installations
06/12/1990US4933235 Protective pipewrap system containing a rubber-based coating composition
06/12/1990US4932810 Corrosion protection system for a pipeline crossing
06/05/1990US4930536 Pipeline road crossing sealing system
06/03/1990CA2001479A1 Protection of flue gas desulfurizers against corrosion
05/1990
05/31/1990WO1990005873A1 Process and device for forming a cylindrical lining in an elongated cavity
05/22/1990US4927669 Oil field corrosion inhibition
05/22/1990US4927183 Adapting piece of thermoplastic material
05/15/1990US4925616 Tall oil pitch filler
05/08/1990US4923222 Casing sealing apparatus
05/08/1990CA1268719A1 Tubular article
05/03/1990WO1990002851A3 Constructional member and method
05/02/1990EP0366168A1 Process for field coating pipe
04/1990
04/19/1990WO1990003850A1 Process for field coating pipe
04/19/1990DE3934253A1 Ceramic and glass or glass pipe section - has casing and inner and outer tie pieces, with tubular sleeve and pipe straps
04/11/1990CN1007496B Complex pipe, its mfr. method and heat pipe using the pipe
04/10/1990US4915990 Sealing cable splice; encapsulation in stretch sheet of a curable elastomer and curing
04/04/1990EP0361951A2 Vent collar for plastic lined pipe
04/04/1990CN1007451B Protective sleeve for covering material for pipe
04/03/1990US4913465 Coupled pipe assembly
03/1990
03/29/1990DE3932106A1 Verfahren und vorrichtung zum einbau eines neuen rohrs in eine vorhandene, unterirdische leitung Method and device for installation of a new pipe into an existing underground pipeline
03/22/1990WO1990002851A2 Constructional member and method
03/22/1990WO1990002647A1 Tube used for lining of conduit
03/22/1990DE3931046A1 Hitze- und korrosionsresistentes mehrfachbeschichtetes stahlrohr Heat- and corrosion-resistant multi-coated steel tube
03/08/1990DE3928269A1 Beschichtetes metallrohr und verfahren fuer dessen herstellung Coated metal pipe and process for its manufacture
03/08/1990DE3828427A1 Process and apparatus for sheathing steel pipes coated with a thermoplastic material with an additional protective layer of a hydraulic composition such as cement mortar
03/07/1990EP0356732A1 Internally oxidized tube
03/07/1990CN1040258A Connecting method of composite pipe
02/1990
02/22/1990WO1990001649A1 Connection to a pressure vessel of composite material
02/20/1990US4901415 Method for connecting composite pipes
02/06/1990US4898497 Method for cementitious coating of pipe and forms for use therewith
01/1990
01/31/1990EP0353086A2 Method for lining pipe inner surface in multibranch piping
01/16/1990CA1264447A1 Pipeline, a method of laying the pipeline and a device for effecting said method
01/03/1990CN1038506A Lining laminate for pipeline and operation method thereof
01/02/1990US4891115 Apparatus for cleaning the inner surface of a pipeline from deposits and for forming a protective coating
12/1989
12/27/1989CN1006243B Composite pipe and method for mfg. the same
12/19/1989US4887847 Tube Connector
12/14/1989WO1989012199A1 Material for and method of pipeline insulation
12/13/1989EP0253966B1 Moulding of a thermoplastic material
12/06/1989EP0344896A1 A lining laminate for a pipeline and an operation method thereof
12/06/1989EP0344217A1 Connections for tubes made of composite materials.
11/1989
11/30/1989WO1989011618A1 A field joint insulation for insulated pipelines
11/28/1989US4883292 Corrosion resisting steel pipe and method of manufacturing same
11/02/1989EP0339591A1 Pipeline section with one sleeve of insulation material and a protective cover wound upon the latter
10/1989
10/31/1989US4877665 Lining material for pipe lines
10/24/1989US4875713 Internally coated tubular system
10/18/1989EP0337941A1 Device for preventing furring and corrosion
10/18/1989EP0337674A2 Method of lining pipe with rigid tube
10/18/1989EP0337543A2 Improvements relating to the joining of steel tube sections externally coated with thermoplastics
10/10/1989US4872519 Drill string drill collars
10/05/1989DE3821111C1 Pipeline having a steel pipe as an outer casing
10/04/1989EP0335784A1 Process and device for lining welded pipes
10/03/1989US4871194 Oil well pipe joint and manufacturing method therefor
09/1989
09/27/1989CN2045049U Fatty acid salt antirust oil bandage-rigid casing composite protection sheath
09/26/1989US4868967 Doubled-walled covering filled with a friction-reducing liquid to revolve and slide over a substrate; cable and pipe weatherproofing protection
09/26/1989CA1260375A1 Composite pipes and process for manufacturing the same
09/20/1989CN1035686A Protection and application for wall of metallic product
09/12/1989US4866252 Heat-recoverable article
09/12/1989US4865673 Method of applying a protective coating to the inner surface of a pipeline and device for carrying out the method
09/08/1989WO1989008214A1 Well tubing liner system
08/1989
08/31/1989DE3800731C1 Angle-adjustable pipe bends comprising at least two pieces
08/30/1989EP0329990A1 Oil-well tubing joints with anti-corrosive coating
08/30/1989CN2043699U Insulation corrosion-preventing composite tube
08/29/1989US4861634 Method for internally lining ducts and sleeves for ducts lined with this method
08/29/1989US4861576 Method for reducing corrosion in a bypass system
08/23/1989EP0328567A1 Process and installation for preventing corrosion of water pipes.
08/22/1989CA1258613A1 Corrosion or impact resistant protective coating
08/02/1989CN2042144U Insulated flange
08/01/1989US4853297 Outer surface coated with zinc film, a chromate film, an intermediate layer of epoxy resin and a polyvinyl fluoride film; pipes for conveying brake fluid and fuel in automobiles
08/01/1989US4852655 Tubing coupling and method
07/1989
07/19/1989EP0247043B1 Lining for inlet- and outlet ports of a plate heat exchanger
07/18/1989US4848801 By-pass connections obtained by molding a coating of a junction material around a rigid tubular insert more particularly and a process for manufacturing same
07/11/1989US4846512 Protective cylinder for pipe covering material
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