Patents by Inventor Jan Ophoff

Jan Ophoff 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 and assembly for auditing the operation of a mechanical washing apparatus
    Publication number: 20020082723
    Abstract: The invention provides a method for auditing the operation of a mechanical washing apparatus, at least comprising the steps of
    Type: Application
    Filed: December 11, 2001
    Publication date: June 27, 2002
    Applicant: Diversey Lever, Inc.
    Inventors: Leonard Marcus Flendrig, Jan Ophoff, Hank Robert Reinhoudt, Harm Jan Riksen, Jan Hendrik Verbeek, Alexandru Volanschi