Patents by Inventor Duane E. Corkill

Duane E. Corkill 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).

  • Shell egg culling system
    Patent number: 5277320
    Abstract: An improved shell egg culling system includes a conveying system having sites for conveying shell eggs, an illuminator together with a video camera in conjunction with a computer having a first algorithm and a second algorithm for determining which of the sites contain shell eggs having broken shells and which contain shell eggs having soiled shells, a plurality of bridges in side-by-side relationship which are controlled by the computer to remove shell eggs having broken shells from the conveying system for discarding, and a platform having a plurality of downwardly directed, suction-activated lifters which are controlled by the computer to remove shell eggs having soiled shells from the conveying system for recycling through a washer.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: January 11, 1994
    Assignee: Seymour, Inc.
    Inventors: Duane E. Corkill, Norman B. Guy, Jr.