Patents by Inventor Peter Johannes Werkman

Peter Johannes Werkman 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 FOR PROVIDING A UTENSIL WITH A DECORATION
    Publication number: 20100055475
    Abstract: The invention relates to a method for providing a utensil with a decoration by means of an optical interference grating. The utensil is provided with a sol-gel precursor which is embossed with a flexible stamp to create an optical interference grating. The interference grating can be provided with a second precursor of a material with an index of refraction higher than that of the sol-gel layer, and provided with a transparent, non-scattering topcoat. The invention further relates to an appliance, e.g. an iron or a shaver, coated with an organosilane layer provided with an optical interference grating.
    Type: Application
    Filed: June 27, 2006
    Publication date: March 4, 2010
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Marcus Verschuuren, Martinus Petrus Joseph Peeters, Peter Johannes Werkman, Jenfry Surianto