Patents by Inventor Alexander HEIMANN

Alexander HEIMANN 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).

  • DIRECTIONAL VALVE FOR A RESPIRATOR PRODUCT
    Publication number: 20110203590
    Abstract: A directional valve for a respirator product shall be improved with regard to a low flow resistance. To accomplish the object, two diaphragm-like valve disks (12, 13) abutting against one another at a central line of separation (16) that are attached to the valve housing (11) in a point-like manner and can be moved in a flap-like manner by the breathing gas stream are provided. A central web (19) at the valve housing (11), which runs along the line of separation (16) and support webs (21) additionally arranged on both sides, is used as a valve seat.
    Type: Application
    Filed: December 9, 2010
    Publication date: August 25, 2011
    Applicant: Drager Safety AG & Co. KGaA
    Inventors: Jürgen UNGER, Alexander HEIMANN, Jörn HIRSCHBIEGEL, Jörg POLZIEN