DW

David O. Wharmby

GE: 6 patents #5,804 of 36,430Top 20%
BP British Gas Plc: 1 patents #66 of 173Top 40%
TE Thorn Emi: 1 patents #5 of 29Top 20%
TP Thorn Emi Plc: 1 patents #52 of 135Top 40%
Overall (All Time): #589,394 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6084359 Coil assembly for an electrodeless fluorescent lamp Frederick Hetzel, Robert S. McFeely, Vito J. Arsena, Joseph C. Oberle, Steven John Everest +1 more 2000-07-04
5959405 Electrodeless fluorescent lamp Thomas F. Soules, Joseph Darryl Michael 1999-09-28
5866991 Induction lamp with oppositely oriented coil winding layers Thomas Farkas, Timothy A. Taubert, George A. Farrall, Gordon A. Grigor 1999-02-02
5808414 Electrodeless fluorescent lamp with an electrically conductive coating Mohamed Hanif Girach 1998-09-15
5767617 Electrodeless fluorescent lamp having a reduced run-up time Zoltan Toth, Istvan Nagy 1998-06-16
5446350 Impedance matching circuit for an electrodeless fluorescent lamp ballast Sayed-Amr El-Hamamsy, Gerald W. Ludwig, Louis R. Nerone 1995-08-29
5086258 Discharge tube arrangement Stuart A. Mucklejohn 1992-02-04
4944674 Apparatus for heating a vessel Philip J. Wedge 1990-07-31
RE30831 Electric discharge devices Alan Chalmers 1981-12-22