Patents by Inventor John Henry Fernandes

John Henry Fernandes 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).

  • Two-stage gasification system
    Patent number: 4069024
    Abstract: A two-stage coal gasification system in which high temperature synthesis gas produced in a downflowing gasifier containing a high quantity of sensible heat is subsequently reacted in a pyrolyzing reactor with a charge of carbonaceous material and limestone at a reduced temperature to utilize the sensible heat contained in the gas and simultaneously produce an increase in the hydrocarbon content thereof.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: January 17, 1978
    Assignee: Combustion Engineering, Inc.
    Inventor: John Henry Fernandes