Patents by Inventor Donald W. Singleton

Donald W. Singleton 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).

  • Apparatus for detecting metal debris particles
    Patent number: 4677425
    Abstract: An apparatus is provided for detecting metal debris particles in a fluid flowing in machinery. The apparatus is adapted to be installed in machinery and has a grid means of electrically insulating material provided with openings of a first type and a second type respectively to allow fluid passage therethrough. Each opening is conductively connected to electric means adapted to provide an electric signal when a conducting particle of metal debris having a predetermined size is trapped in or across any of the openings.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: June 30, 1987
    Assignee: Shell Oil Company
    Inventor: Donald W. Singleton