1
George Robert Scott, Charles Gary Atwell, Martin T Garthaffner: Method and apparatus for producing particle bearing filter rod. Philip Morris Incorporated, Burns Doane Swecker & Mathis, April 20, 2004: US06723033 (15 worldwide citation)

A method and apparatus for delivering predetermined amounts of particulate material and/or plasticizer to a location remote from the particulate material, and a cigarette filter and a cigarette made according to the method and apparatus.


2
John Dawson, Loren Duvoket, Travis Garthaffner, Rashard Thurman, Charles Gary Atwell: Compound filter rod making apparatus and process. Philip Morris USA, Connolly Bove Lodge & Hutz, June 3, 2008: US07381175 (14 worldwide citation)

Machinery and process for continuously making a compound filter rod include a tow transport for continuously delivering an expanded fiber tow while compressing the tow as it travels in a downstream direction. At least one rotating pocket wheel has a plurality of spaced apart pockets therein, and a f ...


3
Charles Gary Atwell, Gilbert W Tew, Gerald A Kraft, Joseph A Faries Jr: Cigarette filter rod transfer apparatus. Philip Morris Incorporated, Watson Leavenworth Kelton & Taggart, July 6, 1976: US03967858 (6 worldwide citation)

A pneumatic conduit cigarette rod transfer system includes an extended capacity rod hopper, a hopper rod level detector and a control arrangement responsive to such detector to pressurize the conduit and supply thereto rods for transmission to the rod hopper in selective time spaced relation compati ...


4
Charles Gary Atwell, Steven F Spiers, William H Smick III: Apparatus for handling rod-shaped articles. Philip Morris Incorporated, Watson Leavenworth Kelton & Taggart, January 24, 1978: US04069930 (4 worldwide citation)

Apparatus for maintaining suitable profiles of rod-shaped articles contained in a hopper includes an agitator translatable in the hopper in the direction of movement of conveyors fed by the hopper. A detector unit is provided for sensing the level of articles in the hopper and arrangement is made fo ...


5
Charles Gary Atwell, Ricky N Cooper, Martin T Garthaffner, Andrew J Gillespie, Ronald D Honaker, William H Pettigrew, William H Smick III: Drum elevator system. Philip Morris Incorporated, Burns Doane Swecker & Mathis, April 9, 2002: US06368041 (3 worldwide citation)

A drum elevator and method of elevating cigarettes, the apparatus including a series of rotatable cigarette transferring drums including a first plurality of horizontally disposed drums at a first elevation and a second plurality of vertically disposed drums extending to a second elevation, the seco ...


6
Charles Gary Atwell: Cigarette filter rod transfer apparatus having rod kinetic energy absorber. Philip Morris Incorporated, Watson Leavenworth Kelton & Taggart, December 7, 1976: US03995910 (2 worldwide citation)

A pneumatic conduit cigarette rod transfer system includes an energy absorbing assembly adapted to dissipate the kinetic energy of rods traversing a guide on issuance from the conduit to avert end shape alteration of transferred rods.


7
Charles Gary Atwell, Ricky N Cooper, Martin T Garthaffner, Andrew J Gillespie, Ronald D Honaker, William H Pettigrew, William H Smick III: Drum elevator system. Philip Morris Incorporated, Burns Doane Swecker & Mathis, September 26, 2000: US06123201 (1 worldwide citation)

A drum elevator and method of elevating cigarettes, the apparatus having a series of rotatable cigarette transferring drums including a first plurality of horizontally disposed drums at a first elevation and a second plurality of vertically disposed drums extending to a second elevation, the second ...


8
Charles Gary Atwell: Ash and dust removal method. Philip Morris USA, Connolly Bove Lodge & Hutz, April 14, 2009: US07517412

A method of removing dust, dirt and the like from the surface of a paper substrate comprises the steps of transporting the paper substrate along a path of travel, and training the paper substrate over and in direct contact with at least a portion of the outer surface of a vacuum drum having openings ...


9
Charles Gary Atwell: Ash and dust removal system. Philip Morris USA, Connolly Bove Lodge & Hutz, December 12, 2006: US07146678

A system for removing dust, dirt and like from the surface of a flexible paper substrate and accurately positioning same comprises a transport assembly for conveying the paper substrate along a path of travel. The transport assembly includes a rotating vacuum drum having an outer surface over which ...


10
Charles Gary Atwell: Foam injection device and method of filling cavities. Burns Doane Swecker & Matthis, June 10, 2004: US20040107973-A1

A system and method for adding material such as foam material to spaced cavities within a cigarette filter. A belt is provided and adapted to be driven synchronously with a moving cigarette filter rod. A plurality of injection needles protrude from the belt at spaced intervals, with the spacing betw ...