Patents by Inventor Wayne B. Keefe

Wayne B. Keefe 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).

  • Patent number: 6012459
    Abstract: A hand-held cigarette smoking device for capturing sidestream smoke with an on-board cigarette lighter. The device has a cigarette combustion chamber, a sidestream smoke filtration chamber, a plenum for conducting sidestream smoke from a lit cigarette in the combustion chamber into the sidestream smoke filtration chamber, an electric fan for drawing sidestream smoke from the combustion chamber through the plenum and into the sidestream smoke filtration chamber and a controller for the fan. The on-board cigarette lighter comprises a lighter filament, flexible wire for supplying electric current to the filament, a reciprocal mounting device for the lighter filament positioned in the combustion chamber, a detent for locating the lighter filament at predetermined cigarette positions to locate the filament at a respective cigarette tip end when inserted in the combustion chamber for smoking, the flexible wire being of a length to accommodate such position of the filament.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: January 11, 2000
    Assignee: 1149235 Ontario Inc.
    Inventor: Wayne B. Keefe
  • Patent number: D399600
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: October 13, 1998
    Assignee: 1149235 Ontario Inc.
    Inventors: Larry Bowen, Stanislav M. Snaidr, Wayne B. Keefe