Patents by Inventor Wilhelm Grauer

Wilhelm Grauer 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).

  • Publication number: 20130168048
    Abstract: A heat exchanger may include a plurality of layers arranged on top of each other, each of the layers having a first cavity for the passage of a medium and a second cavity for the passage of a coolant. Each layer may define a through hole for the passage of the medium and each layer may include a frame in which a turbulence insert may be inserted. Each frame may have an end region configured to define at least one channel closure and the through holds for the passage of the medium. The frame may have a guide opening for receiving an assembly aid and the guide opening may be formed between the through holes and the channel closure.
    Type: Application
    Filed: June 24, 2011
    Publication date: July 4, 2013
    Applicant: MAHLE INTERNATIONAL GmbH
    Inventors: Volker Velte, Wilhelm Grauer