Patents by Inventor Harold S. Worcester

Harold S. Worcester 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).

  • Fuel gas production
    Patent number: 4164397
    Abstract: A method of manufacturing fuel gas from lignocellulose material such as wood. Wood is converted to fuel gas in a descending bed reactor which encloses a descending bed of wood material. Gas produced in the reactor travels upwardly through and thence out from the top of the descending bed, with a portion of the gas being recirculated and introduced as reflow gas, together with air, to a combustion zone established at the base of the descending bed.
    Type: Grant
    Filed: February 16, 1978
    Date of Patent: August 14, 1979
    Inventors: Herbert H. Hunt, Harold S. Worcester