Patents by Inventor Harold E. Schildknecht

Harold E. Schildknecht 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).

  • Acceleration switch
    Patent number: 4266107
    Abstract: The disclosure relates to an improved acceleration switch, of the type having a mass suspended within a chamber, having little fluid damping at low g levels and high fluid damping at high g levels.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: May 5, 1981
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Joseph P. Abbin, Jr., John N. Middleton, Harold E. Schildknecht