Patents by Inventor William H. Hinterman

William H. Hinterman 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).

  • Press counterbalance system
    Patent number: 5009091
    Abstract: A control system for automatic counterbalancing the ram of a mechanical press by measuring energy level of the press flywheel and varying air pressure in a counterbalancing cylinder. Energy level is derived from a measurement of the linear speed of a moving press component at a fixed point in the ram reciprocation cycle.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: April 23, 1991
    Inventors: William H. Hinterman, Timothy W. Hinterman
  • Press counterbalance system
    Patent number: 4969344
    Abstract: A control system for automatic counterbalancing the ram of a mechanical press by measuring energy level of the press flywheel and varying air pressure in a counterbalancing cylinder. Energy level is derived from a measurement of the rotational speed of the counterweight at a fixed point in the ram reciprocation cycle.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: November 13, 1990
    Inventors: William H. Hinterman, Timothy W. Hinterman