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