Patents by Inventor Drewry B. Long

Drewry B. Long 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: 5297747
    Abstract: Apparatus for winding an induction coil including a base plate formed with a winding aperture and a winding slot leading from an edge of the plate to the aperture, a pivot arm mounted under the base plate for reciprocating movement toward and away from the plate, a foot pedal or other device for reciprocating the pivot arm, a wire pulling hook on the pivot arm aligned with the winding aperture so that the hook moves back and forth through the aperture when the pivot arm is reciprocated, a spring biasing the pivot arm toward the base plate; and a clamp for holding a core in winding position over the aperture. A counter may be connected to the pivot arm to count the windings applied to the coil.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: March 29, 1994
    Inventor: Drewry B. Long