Patents by Inventor Peter A. van Asselt

Peter A. van Asselt 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).

  • Machine for candling articles such as hatching-eggs
    Patent number: 4671652
    Abstract: A machine for candling articles, such as hatching-eggs, fed on a so-called hatching frame on which the eggs are disposed in juxtaposed rows, which machine comprises a plurality of light measuring systems each including a light source and a sensor. The light measuring systems are arranged in such an array that the articles to be each measured as they rest on the hatching-frame are shielded relative to each other by adjacent articles.
    Type: Grant
    Filed: October 22, 1985
    Date of Patent: June 9, 1987
    Assignee: Staalkat B.V.
    Inventors: Peter A. van Asselt, Jan Hordijk