Assignee
BUTTERFIELD WILLIAM SWINDT
US·2 granted patents·1 pending application·0 citations·filing 2021–2025
Top patents by PatentIndex Score
3 records- 0173US2026015081A1Vertical takeoff and landing (vtol) aircraft systems and methodsBUTTERFIELD WILLIAM SWINDT·Filed 2025·Application pending·0 cites
- 0267US12384532B2Vertical takeoff and landing (VTOL) aircraft systems and methodBUTTERFIELD WILLIAM SWINDT·Filed 2023·Granted Aug 12, 2025·0 cites·56 claims
- 0342US11970264B2Vertical takeoff and landing (VTOL) aircraft systems and methodsBUTTERFIELD WILLIAM SWINDT·Filed 2021·Granted Apr 30, 2024·0 cites·30 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →