Inventor · disambiguated record
Donald James Duncalf
Also filed as: DUNCALF DONALD JAMES
3 granted patents·4 citations·filing 2013–2016
59Inventor score
Top patents by PatentIndex Score
3 records- 0174US9316101B2Hybrid vehicles with radial enginesTHIEN TON CONSULTING SERVICES COMPANY LTD·Filed 2014·Granted Apr 19, 2016·3 cites·19 claims
- 0255US8770158B1Hybrid vehicles with radial enginesTHIEN TON CONSULTING SERVICES COMPANY LTD·Filed 2013·Granted Jul 8, 2014·1 cites·17 claims
- 0354US9617854B2Hybrid vehicles with radial enginesTHIEN TON CONSULTING SERVICE COMPANY LTD·Filed 2016·Granted Apr 11, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →