Patents by Inventor Franz Schuller

Franz Schuller 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 metering powder
    Patent number: 6488181
    Abstract: The present invention describes a device for metering powder coatings and powder components for powder and liquid coatings, which comprises a storage vessel at the outlet of which is a free-swinging receiving vessel with a metering base, wherein the receiving vessel is connected to a vibration drive, wherein the distance between the outlet of the storage vessel and the metering base of the receiving vessel is dimensioned as a function of the bulk solids properties of the powder material, wherein the metering base of the receiving vessel is vibrated during metering, and a collecting vessel beneath the receiving vessel, wherein the metered powder material is collected in the collecting vessel.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: December 3, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Franz Schuller, Guenter Hohmann
  • Method and device for vibration screening
    Patent number: 6286687
    Abstract: Method and apparatus for the vibration screening of coating powders in particular, wherein a screening cloth is used, which is supported loosely on a screen frame and fixed to a clamping frame, wherein the screening cloth may additionally be supported on co-vibrating braces.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: September 11, 2001
    Assignee: DuPont Performance Caotings GmbH Co, KG
    Inventor: Franz Schuller