Patents by Inventor Georges Hoffmann

Georges Hoffmann 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).

  • Patent number: 4056987
    Abstract: A mechanism for the parallel connection of infinitely-adjustable looping gearings having planetary and/or differential gearings interconnected with the displaceable pulley halves and control threads that automatically adjust running differences between the different V-belt pulleys as well as providing a means for simultaneously changing the transmission ratio of several coaxially-mounted V-belt pulleys.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: November 8, 1977
    Inventor: Georges Hoffmann