Patents by Inventor Theodorus J. G. Beurskens

Theodorus J. G. Beurskens 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).

  • Method of and device for sensing the presence or absence of an article at the end of a vacuum pick-up means
    Patent number: 4683654
    Abstract: A method of and a device for sensing the presence or absence of an electrical or electronic component at the end of a vacuum pick-up means. In the absence of a component, the air flow produced by the vacuum is converted into an acoustic signal which indicates the absence of the component.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: August 4, 1987
    Assignee: U.S. Philips Corporation
    Inventors: Gerard J. Scholten, Theodorus J. G. Beurskens, Mathias F. Videc