Inventor
CLAFLIN WARREN E
12 patents
Patents
12 patentsUS4391285AJul 5, 1983
Smoking article
PHILIP MORRIS INC204 citations97
US4347855ASep 7, 1982
Method of making smoking articles
PHILIP MORRIS INC209 citations97
US5168884ADec 8, 1992
Smoking articles using novel paper wrapper
PHILIP MORRIS INC54 citations93
US5178166AJan 12, 1993
Filter cigarette
PHILIP MORRIS INC49 citations89
US4019366AApr 26, 1977
Variable parameter smoking machine
PHILIP MORRIS INC35 citations88
US4224498ASep 23, 1980
Apparatus for perforating articles by laser
PHILIP MORRIS INC15 citations73
US4224497ASep 23, 1980
Method for making filter cigarettes using light energy to make perforations in the filter tipping wrap
PHILIP MORRIS INC7 citations73
US4349719ASep 14, 1982
Apparatus for laser perforation of transported articles
PHILIP MORRIS INC12 citations72
US4439663AMar 27, 1984
Method and system for laser perforation of sheet material
PHILIP MORRIS INC12 citations71
US4410785AOct 18, 1983
Method and apparatus for perforation of sheet material by laser
PHILIP MORRIS INC13 citations71
US4236062ANov 25, 1980
Apparatus for electrical perforation of webs
PHILIP MORRIS INC14 citations68
US4207458AJun 10, 1980
Method of electrically perforating a planar web
PHILIP MORRIS INC9 citations66