Inventor · disambiguated record
Nigel David Warren
Also filed as: WARREN NIGEL DAVID
3 granted patents·166 citations·filing 1994–2003
76Inventor score
Files withBRITISH AMERICAN TOBACCO CO3
Top patents by PatentIndex Score
3 records- 0186US6631722B2Tobacco smoke filter elementsBRITISH AMERICAN TOBACCO CO·Filed 1994·Granted Oct 14, 2003·131 cites·20 claims
- 0269US7100420B2Cigarette monitoringBRITISH AMERICAN TOBACCO CO·Filed 2002·Granted Sep 5, 2006·25 cites·28 claims
- 0365US7249605B2Tobacco smoke filter elementsBRITISH AMERICAN TOBACCO CO·Filed 2003·Granted Jul 31, 2007·10 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Nigel David Warren files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →