Inventor · disambiguated record
Duncan A Macdougall
Also filed as: MACDOUGALL DUNCAN A · MACDOUGALL DUNCAN ALEXANDER STUART
18 granted patents·16 citations·filing 2015–2024
90Inventor score
Files withROLLS ROYCE PLC18
Top patents by PatentIndex Score
18 records- 0193US10612471B1Super-cooled ice impact protection for a gas turbine engineROLLS ROYCE PLC·Filed 2019·Granted Apr 7, 2020·5 cites·20 claims
- 0289US11002149B2Ice crystal protection for a gas turbine engineROLLS ROYCE PLC·Filed 2019·Granted May 11, 2021·4 cites·12 claims
- 0388US10578027B1Combustor blade and vane spacing for ice crystal protection for a gas turbine engineROLLS ROYCE PLC·Filed 2019·Granted Mar 3, 2020·5 cites·17 claims
- 0486US12286895B2Super-cooled ice impact protection for a gas turbine engineROLLS ROYCE PLC·Filed 2024·Granted Apr 29, 2025·0 cites·20 claims
- 0582US12110804B2Super-cooled ice impact protection for a gas turbine engineROLLS ROYCE PLC·Filed 2023·Granted Oct 8, 2024·0 cites·19 claims
- 0678US11873731B2Super-cooled ice impact protection for a gas turbine engineROLLS ROYCE PLC·Filed 2023·Granted Jan 16, 2024·0 cites·20 claims
- 0778US9778157B2Output member for a direct impact Hopkinson pressure barROLLS ROYCE PLC·Filed 2015·Granted Oct 3, 2017·2 cites·16 claims
- 0873US11732603B2Ice crystal protection for a gas turbine engineROLLS ROYCE PLC·Filed 2022·Granted Aug 22, 2023·0 cites·20 claims
- 0972US12416538B2System and method for testing a specimenROLLS ROYCE PLC·Filed 2023·Granted Sep 16, 2025·0 cites·15 claims
- 1072US11619135B2Super-cooled ice impact protection for a gas turbine engineROLLS ROYCE PLC·Filed 2021·Granted Apr 4, 2023·0 cites·18 claims
- 1167US11512607B2Ice crystal protection for a gas turbine engineROLLS ROYCE PLC·Filed 2021·Granted Nov 29, 2022·0 cites·17 claims
- 1266US10995677B2Super-cooled ice impact protection for a gas turbine engineROLLS ROYCE PLC·Filed 2020·Granted May 4, 2021·0 cites·20 claims
- 1365US11920499B2Gas turbine engine with improved VIGV shieldingROLLS ROYCE PLC·Filed 2023·Granted Mar 5, 2024·0 cites·20 claims
- 1459US11686248B2Core duct assemblyROLLS ROYCE PLC·Filed 2021·Granted Jun 27, 2023·0 cites·19 claims
- 1559US11634993B2Gas turbine engine with improved VIGV shieldingROLLS ROYCE PLC·Filed 2021·Granted Apr 25, 2023·0 cites·11 claims
- 1657US11047311B2Core duct assemblyROLLS ROYCE PLC·Filed 2019·Granted Jun 29, 2021·0 cites·3 claims
- 1754US12135313B2System and method for applying dynamic loading to a test specimenROLLS ROYCE PLC·Filed 2022·Granted Nov 5, 2024·0 cites·20 claims
- 1833US11634994B2Nozzle guide vaneROLLS ROYCE PLC·Filed 2022·Granted Apr 25, 2023·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →