Inventor · disambiguated record
James Gregory Powell
Also filed as: POWELL JAMES · POWELL JAMES G · POWELL JAMES GREGORY
5 granted patents·48 citations·filing 1978–2020
75Inventor score
Top patents by PatentIndex Score
5 records- 0191US10982441B2Multiple layer substrate for roofing materialsTAMKO BUILDING PRODUCTS LLC·Filed 2019·Granted Apr 20, 2021·5 cites·21 claims
- 0271US4268353ADemountable externally anchored low-stress magnet system and related methodUS ENERGY·Filed 1978·Granted May 19, 1981·32 cites·43 claims
- 0347US5262604AFloat level switch for a nuclear power plant containment vesselUS ARMY·Filed 1991·Granted Nov 16, 1993·11 cites·5 claims
- 0444US12123193B2Continuous nonwoven polyester fiber and fiberglass thread hybrid matTAMKO BUILDING PRODUCTS LLC·Filed 2020·Granted Oct 22, 2024·0 cites·43 claims
- 0533US11946253B2Impact resistant roofing shingle and method for making sameTAMKO BUILDING PRODUCTS LLC·Filed 2020·Granted Apr 2, 2024·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →