Patents by Inventor Donald McAlpine Lawrence

Donald McAlpine Lawrence 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).

  • Carbon Impregnation of porous ducting for evaporative emissions absorption
    Patent number: 6817345
    Abstract: The present invention discloses a hydrocarbon-removing component for the air intake system of an internal combustion engine which removes hydrocarbons escaping a vehicle when the engine is not in use. The hydrocarbon-removing component of the present invention includes a duct with a hydrocarbon-removing material incorporated in an inner surface. The preferred hydrocarbon-removing material include activated carbon and zeolites.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: November 16, 2004
    Assignee: Ford Global Technologies, LLC
    Inventor: Donald McAlpine Lawrence
  • CARBON IMPREGNATION OF POROUS DUCTING FOR EVAPORATIVE EMISSIONS ABSORPTION
    Publication number: 20040118387
    Abstract: The present invention discloses a hydrocarbon-removing component for the air intake system of an internal combustion engine which removes hydrocarbons escaping a vehicle when the engine is not in use. The hydrocarbon-removing component of the present invention includes a duct with a hydrocarbon-removing material incorporated in an inner surface. The preferred hydrocarbon-removing material include activated carbon and zeolites.
    Type: Application
    Filed: December 19, 2002
    Publication date: June 24, 2004
    Applicant: FORD GLOBAL TECHNOLOGIES, INC.
    Inventor: Donald McAlpine Lawrence