TREA

Ostbergs Fabriks AB

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  • Alfta, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of cutting substantially horizontal cantilevered objects suc...
    • Patent number 4,513,799
    • Issue date Apr 30, 1985
    • Ostbergs Fabriks AB
    • Thore Lindblom
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Device for a felling and gripping unit
    • Patent number 4,412,777
    • Issue date Nov 1, 1983
    • Ostbergs Fabriks AB
    • Erik T. Forslund
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Forest thinning device
    • Patent number 4,371,017
    • Issue date Feb 1, 1983
    • Ostbergs Fabriks AB
    • Karl T. Lindblom
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Device for extracting tree stumps
    • Patent number 4,069,846
    • Issue date Jan 24, 1978
    • Ostbergs Fabriks AB
    • Erik Torsten Forslund
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Device for use in removal of stumps
    • Patent number 4,048,733
    • Issue date Sep 20, 1977
    • Ostbergs Fabriks AB
    • Erik Torsten Forslund
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Hydraulic control system for a tree felling unit
    • Patent number 4,039,009
    • Issue date Aug 2, 1977
    • Ostbergs Fabriks AB
    • Karl Thore Lindblom
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Crane jib arrangement
    • Patent number 3,972,430
    • Issue date Aug 3, 1976
    • Ostbergs Fabriks AB
    • Erik Torsten Forslund
    • B66 - HOISTING LIFTING HAULING