Patents by Inventor Edward J. Zaharis

Edward J. Zaharis 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).

  • Internal combustion engine
    Patent number: 4344405
    Abstract: An internal combustion engine having both an air-fuel mixture and exhaust in the cylinder during the compression stroke with one of the air-fuel mixture and exhaust being in the cylinder at the start of the compression stroke and the other being pumped into the cylinder during the compression stroke, with the shape of the cylinder head being adapted to maintain the air-fuel mixture undiluted with exhaust.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: August 17, 1982
    Inventor: Edward J. Zaharis