Patents by Inventor Marion A. Davidson

Marion A. Davidson 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).

  • Chain pull monitor system
    Patent number: 4566339
    Abstract: A system for monitoring and recording the tensile stresses experienced by a moving conveyor chain while in use and under load. The system uses strain gauge, signal conditioning and radio technologies to produce an audio signal remote from the actual conveyor and proportional to the tensile stress on the chain.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: January 28, 1986
    Assignee: Southern Systems, Inc.
    Inventors: Marion A. Davidson, David B. Kiss