Patents by Inventor Jerry E. Jackson

Jerry E. Jackson 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).

  • Protection devices for bar screens
    Patent number: 4857182
    Abstract: Bar screen apparatus of the type having a motorized rake assembly, that mounts an electric drive motor with associated electrical components which moves the assembly along a guide frame in a closed, approximately vertical path from an upper parking position to and through a lower reversing direction position, is imporved by adding a protection device to prevent the drive motor and associated electrical components from being submerged in a stream of sewage passing the apparatus at an abnormally high level.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: August 15, 1989
    Assignee: Infilico Degremont Inc.
    Inventor: Jerry E. Jackson