Patents by Inventor Richard Apfel

Richard Apfel 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).

  • Diesel engine incorporating emulsified fuel supply system
    Patent number: 4388893
    Abstract: A fuel supply system for producing an emulsified fuel continuously is disclosed. The emulsion is maintained by recirculating the emulsion and adding a ratio of fuel and water to the system to achieve a desired fuel/water ratio in the recirculation loop.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: June 21, 1983
    Assignee: Cedco, Incorporated
    Inventor: Richard Apfel