Inventor · disambiguated record
Douglas George Robertson
Also filed as: ROBERTSON DOUGLAS G · ROBERTSON DOUGLAS GEORGE
4 granted patents·2 pending applications·72 citations·filing 1975–2024
69Inventor score
Top patents by PatentIndex Score
6 records- 0187US2024396097A1Improved membranes, calendered microporous membranes, battery separators, and related methodsCELGARD LLC·Filed 2024·Application pending·0 cites
- 0284US4134155ASwimmer protective helmetUS NAVY·Filed 1975·Granted Jan 16, 1979·72 cites·20 claims
- 0381US12040456B2Membranes, calendered microporous membranes, battery separators, and related methodsCELGARD LLC·Filed 2023·Granted Jul 16, 2024·0 cites·4 claims
- 0471US11569549B2Membranes, calendered microporous membranes, battery separators, and related methodsCELGARD LLC·Filed 2020·Granted Jan 31, 2023·0 cites·23 claims
- 0562US10777800B2Membranes, calendered microporous membranes, battery separators, and related methodsCELGARD LLC·Filed 2016·Granted Sep 15, 2020·0 cites·3 claims
- 0643US2015115976A1Continuous web inline testing apparatus, defect mapping system and related methodsCELGARD LLC·Filed 2014·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →