Patents by Inventor Marthinus Briers

Marthinus Briers 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).

  • Gear shift arrangement
    Patent number: 10099746
    Abstract: The invention discloses a gear shift arrangement, which includes a sprocket cassette being adapted to be slidably mounted on a hub which is adapted to move on a horizontal axis of a spindle, the sprocket cassette further being adapted to operatively engage with a chain so that, in operation, the chain remains in one vertical plane; and movement means adapted to move the sprocket cassette along the hub transversely relative to the chain.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: October 16, 2018
    Inventor: Marthinus Briers
  • Gear Shift Arrangement
    Publication number: 20170158286
    Abstract: The invention discloses a gear shift arrangement, which includes a sprocket cassette being adapted to be slidably mounted on a hub which is adapted to move on a horizontal axis of a spindle, the sprocket cassette further being adapted to operatively engage with a chain so that, in operation, the chain remains in one vertical plane; and movement means adapted to move the sprocket cassette along the hub transversely relative to the chain.
    Type: Application
    Filed: October 28, 2014
    Publication date: June 8, 2017
    Inventor: Marthinus Briers