Patents by Inventor Konrad Pfaus

Konrad Pfaus 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).

  • Device for manually sharpening knives and other blades, comprising interchangeably mounted hard metal plates
    Patent number: 7066796
    Abstract: A device for the manual sharpening of knives and other blades having exchangeably held carbide plates. The exchangeable carbide plates of manual sharpening devices are inserted or pushed into recesses or into a reception of the device body and must be fixed there. This is done by a screw connection in known devices. In the proposed solution, the carbide plates are fixed by snap-latching parts. This represents a favorably technical assembly means to fix the carbide plates fast and reliably and to nevertheless release them again easily and without tools. The snap-latching part can have the form of a cover plate or can engage over the carbide plate like a lug.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: June 27, 2006
    Inventor: Konrad Pfaus
  • Device for manually sharpening knives and other blades, comprising interchangeably mounted hard metal plates
    Publication number: 20050202766
    Abstract: A device for the manual sharpening of knives and other blades having exchangeably held carbide plates. The exchangeable carbide plates of manual sharpening devices are inserted or pushed into recesses or into a reception of the device body and must be fixed there. This is done by a screw connection in known devices. In the proposed solution, the carbide plates are fixed by snap-latching parts. This represents a favorably technical assembly means to fix the carbide plates fast and reliably and to nevertheless release them again easily and without tools. The snap-latching part can have the form of a cover plate or can engage over the carbide plate like a lug.
    Type: Application
    Filed: March 10, 2003
    Publication date: September 15, 2005
    Inventor: Konrad Pfaus