TREA

Elektriska Svetsningsaktiebolaget

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  • Goteborg, SW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for tube welding
    • Patent number 4,142,085
    • Issue date Feb 27, 1979
    • Elektriska Svetsningsaktiebolaget
    • Karl-Erik Knipstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Weld metal deposit coated tool steel
    • Patent number 4,110,514
    • Issue date Aug 29, 1978
    • Elektriska Svetsningsaktiebolaget
    • Frederick Nicholson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for the manufacture of welded gratings
    • Patent number 4,068,110
    • Issue date Jan 10, 1978
    • Elektriska Svetsningsaktiebolaget
    • Rolf Gosta Larsson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Direct current power supply for manual arc welding
    • Patent number RE29441
    • Issue date Oct 11, 1977
    • Elektriska Svetsningsaktiebolaget
    • Rolf Ericsson
    • 219 - Electric heating
  • Information Patent Grant

    Direct current power supply for manual arc welding
    • Patent number RE29400
    • Issue date Sep 13, 1977
    • Elektriska Svetsningsaktiebolaget
    • Rolf Ericsson
    • 219 - Electric heating
  • Information Patent Grant

    Chain making apparatus
    • Patent number 4,000,606
    • Issue date Jan 4, 1977
    • Elektriska Svetsningsaktiebolaget
    • Sven-Erik Linden
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Direct current power supply for manual arc welding
    • Patent number 3,961,154
    • Issue date Jun 1, 1976
    • Elektriska Svetsningsaktiebolaget
    • Rolf Ericsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chain making apparatus
    • Patent number 3,945,198
    • Issue date Mar 23, 1976
    • Elektriska Svetsningsaktiebolaget
    • Sven-Erik Linden
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73113278 - OK
    • Serial number 73113278
    • Registration number 1124646
    • Filing date Jan 21, 1977
    • ELEKTRISKA SVETSNINGSAKTIEBOLAGET
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments