Patents by Inventor Dov Kaplan

Dov Kaplan 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).

  • System for monitoring the movement of objects particularly the feeding of seeds
    Patent number: 4268825
    Abstract: A system for monitoring the movement of objects through a predetermined path comprises a sensor producing electrical signals by the movement of the objects through the path, a measuring circuit producing a measurement of the rate at which the objects move through the path, presetting means for presetting a predetermined minimum rate, and an indicator indicating when the measured rate is below the preset predetermined minimum rate. The invention is described as embodied in a seed monitor attached to colter plough blades for monitoring the rate of feeding of the seeds. Also describes is an adapter unit which enables the number of sensors to be multiplied by time-sharing each measuring circuit with a plurality of sensors.
    Type: Grant
    Filed: February 6, 1974
    Date of Patent: May 19, 1981
    Assignee: Dickey-john Corporation
    Inventor: Dov Kaplan