Patents by Inventor Heino Puidak

Heino Puidak 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).

  • Capacitive article density monitor
    Patent number: 4567410
    Abstract: A capacitance article density monitor which is adjusted to have a zero voltage output when no articles are positioned adjacent a sensor and wherein the output of the circuit may be utilized directly to control a variable speed drive for a machine to which articles are being directed depending upon the density of such articles in a conveying area in advance of the machine. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: January 28, 1986
    Assignee: Continental Can Company, Inc.
    Inventors: Ralph E. Martin, Heino Puidak