Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790)
03/1999
03/02/1999US5876017 Plumbing fixture carrying drinking water comprised of a copper alloy
02/1999
02/24/1999EP0897509A1 Coating and process for coating pipelines
02/09/1999US5868171 Composite conduit for carrying fuel oil
02/09/1999US5868169 Reinforced lining hose for softlining pipe rehabilitation
02/09/1999US5867883 Surface treatment of the zinc alloy layer using chromate, phopshate or alloy treatment, bonding first coatings selected from nylons, inomers, fluoropolymers and second coating of nylon, thermoplastic elastomer, fluoropolymers
02/03/1999CN1207065A Improved process and equipment for lining concrete pipes
02/02/1999CA2156393C Piping element for buried piping, buried piping made thereof and process for protection coating of said element
01/1999
01/28/1999DE19831478A1 Underbody tubing system for e.g. vehicle brake lines and fuel pipes
01/26/1999CA2167487C Pipe or pipe fitting, corresponding pipe run and protective coating method
01/26/1999CA2161624C Continuously slitted roll-on tube shield
01/20/1999EP0892084A1 Method for preventing contamination by lead from metallic piping devices
01/20/1999EP0725909B1 Flangeless pipe joint and a process for manufacturing such a joint
01/19/1999CA2012742C Cable and tape structure therefor
01/13/1999EP0890552A2 Corrosion protection device for water distribution systems
01/13/1999CN2303992Y Dirt-proof silencing ventilation pipline
01/07/1999EP0889276A1 Resin coated pipe and manufacturing method thereof, and a fuel tank with such a pipe
01/07/1999EP0635111B1 Relining pipe
12/1998
12/30/1998CN1041457C Piping element for burried conduit and method for protecting said piping element
12/29/1998US5853834 Metallized layer corrosion protection system for pipe or tubing
12/23/1998EP0886094A2 Resin coating pipe and manufacturing method thereof, and fuel tank with resin coating pipe
12/22/1998US5851033 Corrosion limiting device
12/02/1998EP0644826B1 Joining bodies of thermoplastic material
12/02/1998CN2299267Y Timing dirt cleaner
11/1998
11/25/1998EP0879131A2 An extrusion apparatus and method, a tubular product, and a pipe
11/25/1998EP0879038A1 Universal tape for coilable articles
11/24/1998US5839613 Device for casing a piping interior
11/19/1998WO1998051954A1 Galvanic corrosion protection system
11/18/1998EP0878662A2 Pure steam-related apparatus protected from fouling and method of manufacturing the same
11/18/1998EP0877887A1 Flexible pipe with internal gasproof undulating metal tube
11/18/1998EP0777551B1 Process for renovating pipes
11/18/1998CN1040793C Heat insulated pipe system, method of laying pipes, and means for joining pipes
11/11/1998CN1198383A Composite anti-corrosion material
11/04/1998EP0875713A2 Tubular lining material
11/04/1998EP0874698A1 Method of preventing corrosion in concrete pipe
11/04/1998CN1197904A Corrosion protection coating system and method for exterior surface of pipes and associated equipment
11/03/1998USRE35944 Method of everting a tube
10/1998
10/27/1998US5827013 Underground cable anode installment system
10/14/1998EP0870152A1 Method for lining underground pipelines
10/14/1998CN2294368Y Composite pipeline joint
10/08/1998WO1998044286A1 Conduits formes d'un tube metallique gaine
10/07/1998EP0868272A1 Improved process and equipment for lining concrete pipes
10/06/1998US5817413 Adhesive tape, crosslinked halogenated rubber, noncrosslinked rubber, tackifier resin
09/1998
09/29/1998US5814371 Conduit linings and hot melt fluidized deposition
09/23/1998EP0865325A2 Process for repairing plastic coatings of metal pipes
09/16/1998CN1193087A Method for producing heat-resistant and etching-resistant alloy composite steel pipe
09/16/1998CN1039849C Pipe or pipe fitting, corresponding pipeline and protective coating method
09/05/1998CA2199206A1 Device for pushing a tube of plastics material for internally casing a metal piping to be renovated
09/02/1998CN1192177A An extrusion apparatus and method, a tubular product, and a pipe
08/1998
08/27/1998WO1998036899A1 Metal tubing coated with multiple layers of polymeric materials
08/27/1998CA2282346A1 Metal tubing coated with multiple layers of polymeric materials
08/26/1998EP0860639A1 Shower hose
08/26/1998EP0782680B1 Discharge pipe for discharging hot substances
08/25/1998US5798013 Method and apparatus for producing a tubular lining hose
08/18/1998US5794982 Mechanical pipe joint with liners
08/11/1998US5792518 On-site pipe coating process
08/11/1998US5791378 Method for lining a conduit
08/06/1998WO1998033749A1 Cementitious compositions and their use in corrosion protection
08/05/1998EP0856697A1 Pipe lining method
08/05/1998CN1039450C Anti-corrosion metal tube and making method thereof
08/05/1998CN1039449C Lining tube for pipeline
08/04/1998CA2228676A1 Pipe lining method
07/1998
07/28/1998US5786053 Superimposed coverings having increased stability
07/15/1998EP0853208A1 Multilayer pipe
07/15/1998EP0852703A1 Flow tube lining
07/14/1998US5779948 Method of lining a pipeline using a constant extrusion pressure
07/14/1998US5779276 Connector apparatus for containing a fluid
07/09/1998DE19728808C1 Non-corrosive plastics film for inner walls of gas or liquid container
07/01/1998EP0851041A1 Copper tube plated on the inside with tin and process for plating of a copper tube
06/1998
06/30/1998US5773602 DNA fragments obtained from a novel human immunodeficiency virus designated LAVMAL
06/30/1998US5771940 Extruded multiple plastic layer coating bonded to a metal tube and process for making the same
06/23/1998US5769129 Tin intermetallic
06/18/1998DE19755702A1 Protective covering for rods or tubes
06/17/1998EP0711392B1 Pipe element for a pipe run, corresponding pipe run and manufacture method of such a pipe element
06/11/1998WO1998025063A1 Flexible pipe with internal gasproof undulating metal tube
06/11/1998WO1998024560A1 Process for repairing plastic coatings of metal pipes
06/11/1998CA2245738A1 Flexible pipe with internal gasproof undulating metal tube
06/11/1998CA2242378A1 Process for repairing plastic coatings of metal pipes
06/10/1998EP0673484B1 Corrosion resistant connection for use with tubular members
06/03/1998CN1183744A Coating of metal surfaces
05/1998
05/27/1998EP0844429A1 Low-permeability sheath and its use in high pressure conduits
05/27/1998EP0844073A1 A tubular product and an extrusion apparatus and method
05/26/1998US5755970 Method for reduction of pipeline accumulation
05/26/1998US5755265 Discharge pipe for discharging hot substances
05/20/1998EP0843124A1 Process for transporting a fluid in a pipe containing a porous structure
05/13/1998EP0841388A1 Steel-pipe having a organic resin outer surface coating for improved hydroforming
05/13/1998EP0840868A1 Pipe coating
05/07/1998DE19643874A1 Post or mast comprising metal pipe with outer plastic tube
05/07/1998CA2220192A1 Lubricant surface-treated steel pipe for hydroforming use
05/05/1998US5746841 Process for passivating treatment of piping system for high-purity gas
05/05/1998US5746242 Gas relief valve protector
04/1998
04/30/1998DE19644693A1 Non-wettable coating for components, e.g. condenser tubes
04/28/1998US5743675 Underground cable anode installment system
04/22/1998EP0800629A4 Coal tar enamel-coated steel pipe and process for same
04/15/1998CN1178877A Method for producing scaly glass fibre reinforced plastic tube
04/14/1998US5738463 Placing hardenable material comprising aqueous rubber latex, a vulcanizing agent and an vulcanizing activator around the outside of conduit, hardening into an elastomeric solid mass
04/10/1998CA2187580A1 Flexible sheet or tape for use in a method for repairing pipelines, or the like
04/08/1998CN2278143Y 水垢分离器 Scale separator
04/01/1998CN2277392Y Container and pipe with glass layer inside
04/01/1998CN1177699A Vacuum heat-insulation oil pipe and manufacturing technology therefor
03/1998
03/26/1998WO1998012465A1 Coating for the internal surface of a pipe, method for applying the same on said surface, two-layered semi-finished part using said coating and method for making this part
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