Patents by Inventor Harry C. Foster

Harry C. Foster 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).

  • Power assisted reel type lawn mower
    Patent number: 4995227
    Abstract: This invention relates to a reel-type lawn mower for cutting lawns which includes a cutting reel propelled by an electric motor connected to the cutting reel by transmission structure and propelled by drive wheels connected to the cutting reel by clutch structure for assisting the electric motor in propelling the cutting reel when greater cutting speeds of the cutting reel is required than delivered by the electric motor.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: February 26, 1991
    Inventor: Harry C. Foster
  • Solid waste shredder
    Patent number: 3970255
    Abstract: A solid waste shredder provided with rotating vanes for inducing a flow of air and/or solid waste through the shredder is particularly useful as a shredder for municipal and industrial trash and other solid waste prior to trash classification, pyrolysis, and landfill operations.
    Type: Grant
    Filed: August 15, 1974
    Date of Patent: July 20, 1976
    Assignee: The Carborundum Company
    Inventor: Harry C. Foster