Patents by Inventor Marvin G. Cleveland

Marvin G. Cleveland 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).

  • Patent number: 4238131
    Abstract: A flushing fitting for attachment into the heater hoses of an automotive engine and having a base conduit telescopically connected to the heater hose, a connecting duct protruding at one side of the base conduit and defining an out-turned flange against which the threaded insert end of a garden hose may bear for sealing, a sleeve embracing the connecting duct and threaded onto the threaded insert end of the garden hose and drawing the garden hose tightly against the stationary connecting duct, and a circular closure with external threads thereon and turned into the sleeve and against the flange of the connecting duct for sealing and closing the fitting in closed condition.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: December 9, 1980
    Inventor: Marvin G. Cleveland
  • Patent number: D260810
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: September 15, 1981
    Inventor: Marvin G. Cleveland