Patents by Inventor Urs Zwahlen

Urs Zwahlen 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).

  • Method and device for husking and degerminating cereals
    Patent number: 7793870
    Abstract: The invention relates to a method and a device for husking and degerminating grains of maize. The aim of the invention is to provide an efficient and simple degermination of maize. To this end, during a wet degermination process, cleaned maize is wetted, and then husked and degerminated, and directly supplied to the comminution stage.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: September 14, 2010
    Assignee: Bühler AG
    Inventors: Othmar Gerschwiler, Walter Eugster, Urs Zwahlen
  • Method and device for husking and degerminating cereals
    Publication number: 20060053764
    Abstract: The invention relates to a method and a device for husking and degerminating grains of maize. The aim of the invention is to provide an efficient and simple degermination of maize. To this end, during a wet degermination process, cleaned maize is wetted, and then husked and degerminated, and directly supplied to the comminution stage.
    Type: Application
    Filed: January 27, 2003
    Publication date: March 16, 2006
    Inventors: Othmar Gerschwiler, Walter Eugster, Urs Zwahlen