Inventor · disambiguated record
Dean A. Bell
Also filed as: BELL DEAN A
9 granted patents·79 citations·filing 1992–2006
86Inventor score
Files withWELCH ALLYN INC9
Top patents by PatentIndex Score
9 records- 0177US6498423B1Lamp thermal control by directed air flowWELCH ALLYN INC·Filed 2001·Granted Dec 24, 2002·28 cites·17 claims
- 0272US6626725B1Electrode treatment surface process for reduction of a seal cracks in quartzWELCH ALLYN INC·Filed 2000·Granted Sep 30, 2003·9 cites·6 claims
- 0369US6693381B2Lamp and fan thermal control by directed air flowWELCH ALLYN INC·Filed 2002·Granted Feb 17, 2004·17 cites·11 claims
- 0456US7218046B2Unitized chemically etched tungsten electrodeWELCH ALLYN INC·Filed 2006·Granted May 15, 2007·0 cites·2 claims
- 0545US5910707ATungsten halogen lampWELCH ALLYN INC·Filed 1997·Granted Jun 8, 1999·7 cites·7 claims
- 0644US7101245B2Stable electrode design and methodWELCH ALLYN INC·Filed 2003·Granted Sep 5, 2006·0 cites·6 claims
- 0743US6774565B2Electrode surface treatment processWELCH ALLYN INC·Filed 2003·Granted Aug 10, 2004·0 cites·4 claims
- 0838US5886466AMiniature two-pin tungsten halogen lampWELCH ALLYN INC·Filed 1997·Granted Mar 23, 1999·13 cites·6 claims
- 0930US5359262ASub-miniature tungsten halogen lamp with major inert gas and minor halide gas constitutesWELCH ALLYN INC·Filed 1992·Granted Oct 25, 1994·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →