Patents by Inventor James E. Green, Jr.

James E. Green, Jr. 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).

  • Double acting permanent magnet latching solenoid
    Patent number: 4751487
    Abstract: A solenoid which is driven positively in both directions by reversal of coil current and held in place at either end by flux from a permanent magnet located at the center of the frame. The permanent magnet is formed of two opposed sections fitting tightly between the plunger tube and frame, and is located in a space between two coils. In one form the two magnet sections are formed of compressible material and are recessed to fit closely around the plunger tube.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: June 14, 1988
    Assignee: Deltrol Corp.
    Inventor: James E. Green, Jr.