Patents by Inventor Oscar Oldberg

Oscar Oldberg 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).

  • Dispersion exhauster for engines and combustion heaters
    Patent number: 4069668
    Abstract: A cap and insulating tube are utilized in conjunction with a flared exhaust ipe to disperse the hot exhaust gases and provide an infrared camouflaging of the engine or heater.
    Type: Grant
    Filed: June 22, 1976
    Date of Patent: January 24, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Oscar Oldberg