Patents by Inventor Edmund Hildebrandt

Edmund Hildebrandt 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).

  • Spinning top game
    Patent number: 4948136
    Abstract: A spinning top game wherein a rounded head or "point" on a top allows the top to spin continuously on a supporting board as long as the operator correctly alters the tilt of the board so that the top is always proceeding downwardly.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: August 14, 1990
    Inventor: Edmund Hildebrandt
  • Top and board therefor
    Patent number: 4681320
    Abstract: A spinning top toy and game including a top and a game board on which the top is spun, the game board being hand held and used to manipulate and travel the top along an outline on the board. The board is folded in the middle and can be used flat or with the two parts defined by the fold at angles to each other.
    Type: Grant
    Filed: March 28, 1986
    Date of Patent: July 21, 1987
    Inventor: Edmund Hildebrandt
  • Hydraulic heat generator
    Patent number: 4372254
    Abstract: A hydraulic heat generator including a reservoir, a pump, a heating area and a medium giving off heat at a remote location wherein the heating element includes a relatively zigzag, very thin passage for the hydraulic material received from the reservoir and including thermostatically controlled means for varying the thickness of this path when called upon to do so, depending upon the setting thereof.
    Type: Grant
    Filed: January 23, 1981
    Date of Patent: February 8, 1983
    Inventor: Edmund Hildebrandt
  • Gameboard
    Patent number: D296117
    Type: Grant
    Filed: September 3, 1985
    Date of Patent: June 7, 1988
    Inventor: Edmund Hildebrandt