Patents by Inventor Peter Grunbaum

Peter Grunbaum 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: 4169788
    Abstract: A screening machine (FIG. 3) having a vibrator constructed so that the striking elements 7 move substantially only vertically. The vibrator comprises springs having crossing elements 2,3 mounted on the frame and connecting member 4. The connecting member 4 can be moved to rotate the striking elements about the crossing point D of the crossing elements, which is disposed substantially in the plane of the spring.
    Type: Grant
    Filed: March 2, 1978
    Date of Patent: October 2, 1979
    Assignee: Binder & Co. Aktiengesellschaft
    Inventor: Peter Grunbaum
  • Patent number: 3958434
    Abstract: A washing machine comprises two frames each mounting a plurality of tubular wash receptacles and arranged to oscillate on a support in opposite directions. Connecting rods resiliently affixed to each frame interconnect the two frames and constitute an oscillating system with the frame and receptacles mounted thereon. A crank drive oscillates the system in the range of the natural frequency thereof. Wash and wash liquid is preferably continuously delivered to each receptacle.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: May 25, 1976
    Assignee: Binder and Co., Aktiengesellschaft
    Inventor: Peter Grunbaum