Inventor
HEARN JOHN R
US11 patents
⚠️ This page may combine multiple inventors who share the name “HEARN JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIP MORRIS INC
10 patentsUS4366824AJan 4, 1983
Process for expanding tobacco
PHILIP MORRIS INC184 citations99
US5345951ASep 13, 1994
Smoking article
PHILIP MORRIS INC398 citations98
US5159940ANov 3, 1992
Smoking article
PHILIP MORRIS INC460 citations98
US4991606AFeb 12, 1991
Smoking article
PHILIP MORRIS INC320 citations98
US4966171AOct 30, 1990
Smoking article
PHILIP MORRIS INC362 citations98
US4981522AJan 1, 1991
Thermally releasable flavor source for smoking articles
PHILIP MORRIS INC297 citations97
US6367481B1Apr 9, 2002
Cigarette having reduced sidestream smoke
PHILIP MORRIS INC69 citations96
US5060676AOct 29, 1991
Process for making a carbon heat source and smoking article including the heat source and a flavor generator
PHILIP MORRIS INC199 citations95
US5076296ADec 31, 1991
Carbon heat source
PHILIP MORRIS INC353 citations94
US6311694B1Nov 6, 2001
Smoking article having reduced sidestream smoke
PHILIP MORRIS INC45 citations92