Patents by Inventor Harm Siepel

Harm Siepel 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).

  • OIL SUMP
    Publication number: 20120090573
    Abstract: The present invention relates to an oil sump, wherein the oil sump comprises an upper and a lower thermoplastic part that each contains one or more ribs and wherein the upper and lower part are being joined such that at least one rib of the upper part is joined to at least one rib of the lower part.
    Type: Application
    Filed: March 2, 2010
    Publication date: April 19, 2012
    Applicant: DSM IP ASSETS B.V.
    Inventors: Harm Siepel, Petrus Lambertus Knapen