Patents by Inventor Johan A. de Weerd

Johan A. de Weerd 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).

  • Improved flexible digitally printable and tamperproof suitcase locker
    Publication number: 20210025198
    Abstract: The present invention is in the field of a flexible tamperproof suitcase locker, which is made of a flexible foil, a method of applying said suitcase locker, and various further applications thereof. Typically the present suitcase locker is of a one size fits all dimension, hence applicable to each and every suitcase. Further the foil typically has a clearly recognizable and differentiating print or the like.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 28, 2021
    Applicant: SL PATENT B.V.
    Inventors: Meeuwis Adriaan Johan DE WEERD, Bjorn VAN DEN BOSCH
  • Ceiling and coupling element for the same
    Patent number: 4481745
    Abstract: In a ceiling grating of carrier girders two carrier girders are closely arranged next to one another so that a line channel is formed in between them. These two carrier girders are interconnected by means of runner-shaped coupling elements formed as plates having between their limbs a line channel.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: November 13, 1984
    Assignee: Nemaco Trading Limited
    Inventors: Johan G. Smits, Johan A. de Weerd, Cor K. Vuyk