Patents by Inventor Robert D. Stopher

Robert D. Stopher 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).

  • Wind-up power source with spring motor and vehicle incorporating same
    Patent number: 5880532
    Abstract: A spring motor utilizes a series arrangement of alternately-wound coiled springs coupled to one another at common ends. The spring motor is coupled to a generator through a gear mechanism to provide a portable and reusable supply of electric power. In addition, the spring motor may be used in a vehicle to recapture wasted energy due to lost momentum during braking. The spring motor is coupled to a winding mechanism for driving the spring motor in response to application of the vehicle's brakes.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: March 9, 1999
    Assignee: Estate of Robert Stopher
    Inventor: Robert D. Stopher