Inventor
WATKINS MICHAEL L
US25 patents
⚠️ This page may combine multiple inventors who share the name “WATKINS MICHAEL L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIP MORRIS INC
22 patentsUS5934289AAug 10, 1999
Electronic smoking system
PHILIP MORRIS INC1,188 citations99
US5730158AMar 24, 1998
Heater element of an electrical smoking article and method for making same
PHILIP MORRIS INC329 citations99
US5692525ADec 2, 1997
Cigarette for electrical smoking system
PHILIP MORRIS INC567 citations99
US5613505AMar 25, 1997
Inductive heating systems for smoking articles
PHILIP MORRIS INC705 citations99
US5591368AJan 7, 1997
Heater for use in an electrical smoking system
PHILIP MORRIS INC958 citations99
US5505214AApr 9, 1996
Electrical smoking article and method for making same
PHILIP MORRIS INC717 citations99
US6690016B1Feb 10, 2004
Process control by transient thermography
PHILIP MORRIS INC103 citations98
US6040560AMar 21, 2000
Power controller and method of operating an electrical smoking system
PHILIP MORRIS INC1,159 citations98
US5915387AJun 29, 1999
Cigarette for electrical smoking system
PHILIP MORRIS INC377 citations98
US5878752AMar 9, 1999
Method and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatuses
PHILIP MORRIS INC1,034 citations98
US5865185AFeb 2, 1999
Flavor generating article
PHILIP MORRIS INC786 citations98
US5750964AMay 12, 1998
Electrical heater of an electrical smoking system
PHILIP MORRIS INC275 citations98
US5708258AJan 13, 1998
Electrical smoking system
PHILIP MORRIS INC284 citations98
US5666978ASep 16, 1997
Electrical smoking system for delivering flavors and method for making same
PHILIP MORRIS INC392 citations98
US5613504AMar 25, 1997
Flavor generating article and method for making same
PHILIP MORRIS INC345 citations98
US5468936ANov 21, 1995
Heater having a multiple-layer ceramic substrate and method of fabrication
PHILIP MORRIS INC597 citations98
US5388594AFeb 14, 1995
Electrical smoking system for delivering flavors and method for making same
PHILIP MORRIS INC1,106 citations98
US5322075AJun 21, 1994
Heater for an electric flavor-generating article
PHILIP MORRIS INC1,160 citations98
US5246018ASep 21, 1993
Manufacturing of composite heat sources containing carbon and metal species
PHILIP MORRIS INC171 citations97
US5902501AMay 11, 1999
Lighter actuation system
PHILIP MORRIS INC100 citations95
US5188130AFeb 23, 1993
Chemical heat source comprising metal nitride, metal oxide and carbon
PHILIP MORRIS INC103 citations94
US4895603AJan 23, 1990
Apparatus and method for in-place cleaning and priming of a nozzle assembly
PHILIP MORRIS INC26 citations90