Inventor · disambiguated record
Douglas N. Dunbar
Also filed as: DUNBAR DOUGLAS N
2 granted patents·1 pending application·6 citations·filing 2011–2017
49Inventor score
Top patents by PatentIndex Score
3 records- 0178US10442028B2Welding helmet configuration providing real-time fume exposure warning capabilityLINCOLN GLOBAL INC·Filed 2017·Granted Oct 15, 2019·1 cites·20 claims
- 0277US9750295B2Welding helmet configuration providing real-time fume exposure warning capabilityLINCOLN GLOBAL INC·Filed 2016·Granted Sep 5, 2017·5 cites·17 claims
- 0326US2012286958A1Welding helmet configuration providing real-time fume exposure warning capabilityDUNBAR DOUGLAS N·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →