Patents by Inventor Abram P. van der Neer

Abram P. van der Neer 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).

  • Device for lowering a load along a line
    Patent number: 4588046
    Abstract: Escape device comprising a holder 1 in which is guided a flat belt 23 and which accommodates at least one brake shoe 12a on which a force is exerted depending upon the weight of the load and which is directed toward the belt 23.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: May 13, 1986
    Assignee: van der Neer International B.V.
    Inventors: Abram P. van der Neer, Harm W. Holman