Patents by Inventor Cornelis W. Blom

Cornelis W. Blom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wood preservation method and preservation means for use in said method
    Patent number: 5083408
    Abstract: The invention relates to a wood preservation method comprising applying a tubular or rod shaped wood preservation device in a hole drilled in a wood construction to be preserved. The wood preservation device comprising a wrapping device of capillary, hygroscopic and when moistened, swellable material, such as paper, enclosing an active compound in the form of dry powder, a granulate or a paste or gel. The wood preservation device may comprise either a cylindrical tube of capillary, hygroscopic and when moistened, swellable material, such as paper, the tube containing active compound in the form of dry powder or a granulate. The wood preservation device may be in the form of a laminate coiled to form a rod-shaped or may be used as a flat laminate. The laminate may comprise the capillary, hygroscopic and when moistened, swellable material and a layer of active compound in the form of dry powder, a granulate, a paste or a gel.
    Type: Grant
    Filed: January 30, 1990
    Date of Patent: January 28, 1992
    Assignee: Window Care B.V.
    Inventors: Cornelis W. Blom, Theodorus G. Vugts
  • Liquid absorbing fibrous material treated with a wood preservative agent
    Patent number: 4389446
    Abstract: A method for the treatment of wood by a wood preserving agent in a liquid or paste-like form, to be positioned (inserted) in a recess in the wood, which recess is subsequently sealed off.The wood preserving agent contains a water-expelling agent, a water-repellent agent and a biocide.
    Type: Grant
    Filed: March 13, 1981
    Date of Patent: June 21, 1983
    Assignee: Woodcap, B.V.
    Inventors: Cornelis W. Blom, Jacobus M. van Keulen
  • Method for the treatment of wood by a wood preserving agent, as well as wood treated with such a wood preservative agent
    Patent number: 4265958
    Abstract: A method for the treatment of wood by a wood preserving agent in a liquid or paste-like form, to be positioned (inserted) in a recess in the wood, which recess is subsequently sealed off.The wood preserving agent contains a water-expelling agent, a water-repellent agent and a biocide.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: May 5, 1981
    Assignee: Hoeka Sierpleisters En Muurverven B.V.
    Inventors: Cornelis W. Blom, Jacobus M. van Keulen