Patents by Inventor Ralf-R. Freund

Ralf-R. Freund 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).

  • Transmission assembly with infinitely variable and constant transmission modules
    Patent number: 6592485
    Abstract: A transmission assembly with an infinitely variable transmission component and a constant transmission component wherein the components are designed as modular units. The variable transmission module forms a self-contained functional transmission unit with a variable transmission housing, open on at least one side where it contains a flange. Within the flange area extends at least one infinitely variable output shaft of the variable transmission module. The flange allows the attachment of one constant transmission module of a plurality of modules of different power categories as desired.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: July 15, 2003
    Assignee: Deere & Company
    Inventors: Uli Otten, Ralf-R. Freund
  • Transmission assembly with infinitely variable and constant transmission modules
    Publication number: 20020042319
    Abstract: A transmission assembly with an infinitely variable transmission component and a constant transmission component wherein the components are designed as modular units. The variable transmission module forms a self-contained functional transmission unit with a variable transmission housing, open on at least one side where it contains a flange. Within the flange area extends at least one infinitely variable output shaft of the variable transmission module. The flange allows the attachment of one constant transmission module of a plurality of modules of different power categories as desired.
    Type: Application
    Filed: September 18, 2001
    Publication date: April 11, 2002
    Applicant: Deere & Company, a Delaware corporation
    Inventors: Uli Otten, Ralf-R Freund