Inventor · disambiguated record
Warren E. Claflin
Also filed as: CLAFLIN WARREN E · HARDESTY WILLIAM R
12 granted patents·633 citations·filing 1975–1991
93Inventor score
Files withPHILIP MORRIS INC12
Top patents by PatentIndex Score
12 records- 0195US4391285ASmoking articlePHILIP MORRIS INC·Filed 1980·Granted Jul 5, 1983·204 cites·27 claims
- 0295US4347855AMethod of making smoking articlesPHILIP MORRIS INC·Filed 1981·Granted Sep 7, 1982·209 cites·59 claims
- 0375US4019366AVariable parameter smoking machinePHILIP MORRIS INC·Filed 1975·Granted Apr 26, 1977·35 cites·9 claims
- 0472US5168884ASmoking articles using novel paper wrapperPHILIP MORRIS INC·Filed 1991·Granted Dec 8, 1992·54 cites·19 claims
- 0567US5178166AFilter cigarettePHILIP MORRIS INC·Filed 1990·Granted Jan 12, 1993·49 cites·15 claims
- 0666US4224498AApparatus for perforating articles by laserPHILIP MORRIS INC·Filed 1978·Granted Sep 23, 1980·15 cites·9 claims
- 0757US4410785AMethod and apparatus for perforation of sheet material by laserPHILIP MORRIS INC·Filed 1981·Granted Oct 18, 1983·13 cites·12 claims
- 0856US4349719AApparatus for laser perforation of transported articlesPHILIP MORRIS INC·Filed 1980·Granted Sep 14, 1982·12 cites·11 claims
- 0954US4439663AMethod and system for laser perforation of sheet materialPHILIP MORRIS INC·Filed 1981·Granted Mar 27, 1984·12 cites·7 claims
- 1052US4236062AApparatus for electrical perforation of websPHILIP MORRIS INC·Filed 1978·Granted Nov 25, 1980·14 cites·8 claims
- 1144US4207458AMethod of electrically perforating a planar webPHILIP MORRIS INC·Filed 1978·Granted Jun 10, 1980·9 cites·5 claims
- 1243US4224497AMethod for making filter cigarettes using light energy to make perforations in the filter tipping wrapPHILIP MORRIS INC·Filed 1978·Granted Sep 23, 1980·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →