Patents by Inventor Ralph Kelley

Ralph Kelley 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).

  • Hydro propulsion apparatus
    Patent number: 11753129
    Abstract: An apparatus comprising one or more propulsion units that are operable to help propel a user in water. The propulsion units are battery operated, such as with a rechargeable battery, and are selectively operable to create a propulsion force in water. The propulsion force propels the apparatus in water. A person wearing the apparatus, such as in the form of a vest, is propelled in water with the apparatus.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: September 12, 2023
    Inventors: Ralph Kelley, Cynthia Kelley
  • Detachable cargo bracket
    Patent number: D442062
    Type: Grant
    Filed: November 22, 1999
    Date of Patent: May 15, 2001
    Inventors: Cynthia H. Kelley, Ralph Kelley