Patents by Inventor Robert I. Sann

Robert I. Sann 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).

  • Load cell overload protection system for weighing scales
    Patent number: 4094368
    Abstract: A weighing scale having a load receiving structure, such as a weighing platform, a force-transmitting system, such as a lever system, supporting the load receiving structure, and a load cell and selectively adjustable preload spring assembly connected to the force-transmitting system and supported by a rigid support structure independently of the force-transmitting system, wherein the load cell is rigidly mounted on the rigid support structure, and the preload spring is connected between the load cell and the force-transmitting system.
    Type: Grant
    Filed: February 3, 1976
    Date of Patent: June 13, 1978
    Assignee: Howe Richardson Scale Company
    Inventors: Robert I. Sann, Arthur Goldberg