Patents by Inventor Fritz Albert Naumann

Fritz Albert Naumann 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).

  • Fuel tank assembly
    Patent number: 4077884
    Abstract: A fuel tank is provided in the middle of its floor with a vessel from which the fuel is withdrawn by a fuel pump. A plurality of upright baffles are spaced radially apart around the vessel and have edges turned toward the vessel and received in reinforcing ribs of a filter carried over the vessel and formed as a downwardly open cup. A fuel-recirculating pipe directs a stream of fuel backwardly in the direction of travel against the forward face of the filter cup.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: March 7, 1978
    Assignee: Audi NSU Auto Union AG
    Inventor: Fritz Albert Naumann