Patents by Inventor Barry Frank Hughes

Barry Frank Hughes 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).

  • Combination internal combustion and steam engine
    Patent number: 6095100
    Abstract: An engine (10) having a series of cylinders (12, 14, 16 and 18) in which pistons (30, 32, 34 and 36) are arranged for reciprocation and which are connected to a crankshaft (38). Two of the cylinders (12 and 18) operate in an Otto cycle, and water is injected through injectors (74) into the exhaust gases of those cylinders for conversion into steam which is directed to the other cylinders (14 and 16) for expansion to drive the pistons (32 and 34).
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: August 1, 2000
    Inventor: Barry Frank Hughes