Patents by Inventor David M. Brinker

David M. Brinker 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: 5211857
    Abstract: A method and apparatus for loading a gate into a valve mechanism with a gate safety arrangement for physically preventing the gate from being loaded in the valve mechanism unless the gate has a prescribed orientation with respect to the loading path into the valve mechanism.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: May 18, 1993
    Assignee: Leco Corporation
    Inventor: David M. Brinker