Patents by Inventor Hal Lerner

Hal Lerner 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).

  • Portable self-contained power conversion unit
    Patent number: 4731545
    Abstract: A portable, self-contained power conversion unit is disclosed that is attached to an outlet for a pressurized fluid system, such as the nozzle for a garden hose. An impeller mounted in the body of the unit and is rotated by the discharge of pressurized fluid through the unit. The rotational energy of the impeller is converted into electrical energy by a generator, and/or used directly in rotating tools attached to the impeller, such as grinding wheels, rotary saws, rotary brushes, drill bits, and the like.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: March 15, 1988
    Assignee: Desai & Lerner
    Inventors: Hal Lerner, Bhikhabhai J. Desai, Suresh B. Desai