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Inventor

ATWELL CHARLES G

US7 patents
⚠️ This page may combine multiple inventors who share the name “ATWELL CHARLES G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILIP MORRIS INC

4 patents
US5322495AJun 21, 1994

High speed vacuum assisted free flowing material inserter in filter rod manufacture

PHILIP MORRIS INC20 citations91
US5542901AAug 6, 1996

Vacuum arrangement on combiner

PHILIP MORRIS INC43 citations87
US5199447AApr 6, 1993

Apparatus for high speed delivery of free flowing material

PHILIP MORRIS INC2 citations61
US5176606AJan 5, 1993

Laminated belt for filter rod making apparatus

PHILIP MORRIS INC3 citations57

(unassigned)

1 patent
US5875824AMar 2, 1999

Method and apparatus for high speed delivery of particulate material

119 citations94

PHILIP MORRIS INCORPORATION

1 patent
US5221247AJun 22, 1993

High speed vacuum assisted free flowing material inserter in filter rod manfacture

PHILIP MORRIS INCORPORATION28 citations88

ATWELL CHARLES G

1 patent
US8215315B2Jul 10, 2012

Concentric core tobacco rod maker with air transporter

ATWELL CHARLES G2 citations55