The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 2005
Filed:
Aug. 17, 2001
Steven F. Spiers, Richmond, VA (US);
Martin F. Garthaffner, Chesterfield, VA (US);
Gary Atwell, Mechanicsville, VA (US);
Steven F. Spiers, Richmond, VA (US);
Martin F. Garthaffner, Chesterfield, VA (US);
Gary Atwell, Mechanicsville, VA (US);
Philip Morris Incorporation, New York, NY (US);
Abstract
A method and apparatus for delivering predetermined amounts of material, the apparatus including a vertical drop chute, a filling chamber, a rotating wheel with pockets, a central stationary drum with at least one vacuum chamber and an air jet, and a vacuum rail for transporting an article underneath the rotating wheel and transferring the particles from pockets in the wheel to cavities in the article. The particles can be carbon or charcoal granules and the article can be a cigarette filter rod.