Inventor
DUFFY MARK E
US19 patents
Patents
19 patentsUS5587626ADec 24, 1996
Patterned optical interference coatings for only a portion of a high intensity lamp envelope
GEN ELECTRIC52 citations95
US5676579AOct 14, 1997
Patterned optical interference coatings for electric lamps
GEN ELECTRIC29 citations92
US5675677AOct 7, 1997
Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp
GEN ELECTRIC54 citations92
US5306987AApr 26, 1994
Acoustic resonance arc stabilization arrangement in a discharge lamp
GEN ELECTRIC39 citations92
US5479072ADec 26, 1995
Low mercury arc discharge lamp containing neodymium
GEN ELECTRIC29 citations91
US5363015ANov 8, 1994
Low mercury arc discharge lamp containing praseodymium
GEN ELECTRIC21 citations91
US5095249AMar 10, 1992
Gas probe starter for an electrodeless high intensity discharge lamp
GEN ELECTRIC21 citations82
US5373216ADec 13, 1994
Electrodeless arc tube with stabilized condensate location
GEN ELECTRIC7 citations74
US5879215AMar 9, 1999
Crimp length gauge for ceramic metal halide electrodes
GEN ELECTRIC16 citations73
US5479102ADec 26, 1995
Simulated load circuit for simulating the arc impedance of an electrodless discharge lamp
GEN ELECTRIC10 citations73
US5378965AJan 3, 1995
Luminaire including an electrodeless discharge lamp as a light source
GEN ELECTRIC17 citations73
US5332970AJul 26, 1994
Method for measuring the impedance of an electrodeless arc discharge lamp
GEN ELECTRIC8 citations73
US5248918ASep 28, 1993
Starting aid for an electrodeless high intensity discharge lamp
GEN ELECTRIC11 citations73
US5140227AAug 18, 1992
Starting aid for an electrodeless high intensity discharge lamp
GEN ELECTRIC18 citations73
US5214357AMay 25, 1993
Low-loss l-c drive circuit for an electrodeless high intensity discharge lamp
GEN ELECTRIC14 citations72
US5151633ASep 29, 1992
Self-extinguishing gas probe starter for an electrodeless high intensity discharge lamp
GEN ELECTRIC12 citations72
US5150015ASep 22, 1992
Electrodeless high intensity discharge lamp having an intergral quartz outer jacket
GEN ELECTRIC9 citations72
US5440199AAug 8, 1995
Base for electrodeless discharge lamp
GEN ELECTRIC9 citations71
US4891554AJan 2, 1990
Arc discharge lamp having improved performance
GEN ELECTRIC5 citations60