Inventor · disambiguated record
Duncan A. Ashby
Also filed as: ASHBY DUNCAN · ASHBY DUNCAN A
3 granted patents·3 pending applications·64 citations·filing 2008–2016
65Inventor score
Top patents by PatentIndex Score
6 records- 0191US8055534B2Variable rate travel fee based upon vehicle occupancyIBM·Filed 2008·Granted Nov 8, 2011·63 cites·12 claims
- 0257US2010161391A1Variable rate transport fees based on vehicle exhaust emissionsIBM·Filed 2008·Application pending·0 cites
- 0346US2010153193A1Variable-rate transport fees based on hazardous travel conditionsIBM·Filed 2008·Application pending·0 cites
- 0445US9261375B2Anomaly detection for road user charging systemsAPPEL TODD M·Filed 2010·Granted Feb 16, 2016·1 cites·16 claims
- 0544US9618350B2Anomaly detection for road user charging systemsIBM·Filed 2016·Granted Apr 11, 2017·0 cites·18 claims
- 0638US2011241899A1Targeted Enforcement For Road User ChargingIBM·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →