Patents by Inventor Melvin M. Northe

Melvin M. Northe 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).

  • Patent number: 4404712
    Abstract: A sling hook consisting of a bill portion of the lower end and a sleeve portion at the upper end where the sleeve portion is interrupted by a generally curved slot to permit twist installation of a wire rope sling.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: September 20, 1983
    Assignee: Esco Corporation
    Inventors: Melvin M. Northe, Dean W. Larson
  • Patent number: 4185863
    Abstract: A rigging fitting wherein a unitary metal body of generally rectangular construction is equipped with a hollow interior and openings and slots extending from the exterior walls there into so as to alternatively provide a double ended fitting or a fitting adapted for use as a carriage hook.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: January 29, 1980
    Inventors: Dean W. Larson, Melvin M. Northe
  • Patent number: 3984899
    Abstract: A chain type choker hook having an eye adjacent one end and a generally L-shaped slot adjacent the other end terminating in a cross-shaped opening for securing a chain end portion.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: October 12, 1976
    Assignee: Esco Corporation
    Inventor: Melvin M. Northe