Inventor · disambiguated record
Donald U. Brumfield
Also filed as: BRUMFIELD DONALD U · BRUMFIELD DONALD UDEL
3 granted patents·1 pending application·120 citations·filing 2001–2018
76Inventor score
Top patents by PatentIndex Score
4 records- 0187US6574957B2Tidal/wave compressed air electricity generationFiled 2002·Granted Jun 10, 2003·61 cites·47 claims
- 0282US7389603B1Modular sign postBRUMFIELD DONALD U·Filed 2007·Granted Jun 24, 2008·23 cites·7 claims
- 0380US6443172B2Beach umbrella with self-supporting standFiled 2001·Granted Sep 3, 2002·36 cites·20 claims
- 0440US2019128235A1Hydro Enhanced Airjet Impeller Electricity Generating SystemBRUMFIELD DONALD UDEL·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →