Patents by Inventor Lawrence E. Leas

Lawrence E. Leas 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).

  • Rotary engine
    Patent number: 4498290
    Abstract: Disclosed are an engine system suitable for use with methyl alcohol and hydrogen and a rotary engine particularly suited for use in the engine system. The rotary engine comprises a stator housing having a plurality of radially directed chamber dividers, a principal rotor, a plurality of subordinate rotors each having an involute gear in its periphery mounted on the principal rotor, and means for rotating the subordinate rotors so that their involute gears accept the radially directed dividers as the subordinate rotors move past them.
    Type: Grant
    Filed: June 30, 1981
    Date of Patent: February 12, 1985
    Inventors: Arnold M. Leas, Lawrence E. Leas