Patents by Inventor Jahannes Hoogenraad

Jahannes Hoogenraad 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).

  • UNITARY RESPIRATOR WITH MOLDED THERMOSET ELASTOMERIC ELEMENTS
    Publication number: 20100218761
    Abstract: A respiratory protection composite facepiece is disclosed and includes a polymeric rigid facepiece body portion having a first surface and a second surface and a silicone sealing facepiece element chemically bonded at least one of the first surface or the second surface. The first and second surfaces can be opposing major surfaces. A second silicone element is chemically bonded to at least one of the first surface or the second surface. Methods of making the same are also disclosed.
    Type: Application
    Filed: July 15, 2008
    Publication date: September 2, 2010
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Paul J. Flannigan, Jahannes Hoogenraad, David P. Knivsland