Patents by Inventor Nicholas Biddle, III

Nicholas Biddle, III 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: 4381545
    Abstract: Means and method for automatically controlling a powder bagging machine, said powder bagging machine having a weighing means for measuring the quantity of powder dispensed, and a means for dispensing the powder into a container, said automatic control means comprising a comparator means for sensing deviations in weight as measured by said weighing means, a control means for analyzing said weight deviations and for controlling the dispensing means. The method of the present invention comprises operating said means so as to effect a multi-stage filling cycle, the first stage comprising operating said dispensing means at a predetermined high speed for a predetermined time, the second stage(s) comprising controlled rate(s) of deceleration of said dispensing means, and the optional last stage comprising operating said dispensing means at a predetermined low speed or at a low rate of deceleration from a predetermined low speed until the desired weight of powder is dispensed.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: April 26, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Nicholas Biddle, III, Stephen R. Craig
  • Patent number: 4159786
    Abstract: A copy machine having a decorator for applying toner to a latent image is disclosed. The decorator is fitted with a control for sensing the level of toner in the decorator sump which control automatically maintains the amount of toner in the sump at the desired level. The control includes a toner level sensor which is a vibrating rod driven by a decorator roll.
    Type: Grant
    Filed: November 11, 1977
    Date of Patent: July 3, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Nicholas Biddle, III, Roger A. Patterson