Inventor · disambiguated record
Alastair G Hobday
Also filed as: HOBDAY ALASTAIR G
33 granted patents·11 pending applications·85 citations·filing 2022–2025
95Inventor score
Files withROLLS ROYCE PLC44
Top patents by PatentIndex Score
44 records- 0198US11708769B2Exhaust contentROLLS ROYCE PLC·Filed 2022·Granted Jul 25, 2023·7 cites·20 claims
- 0298US11585282B1Fuel characteristicsROLLS ROYCE PLC·Filed 2022·Granted Feb 21, 2023·27 cites·19 claims
- 0398US11585278B1Aviation fuelROLLS ROYCE PLC·Filed 2022·Granted Feb 21, 2023·9 cites·20 claims
- 0497US11708796B2Performance parametersROLLS ROYCE PLC·Filed 2022·Granted Jul 25, 2023·7 cites·18 claims
- 0597US11643979B1Aircraft fuel system for gas turbine engineROLLS ROYCE PLC·Filed 2022·Granted May 9, 2023·18 cites·19 claims
- 0696US12241415B1Gas turbine engine heat exchangeROLLS ROYCE PLC·Filed 2024·Granted Mar 4, 2025·4 cites·18 claims
- 0796US11780597B2Aircraft propulsionROLLS ROYCE PLC·Filed 2022·Granted Oct 10, 2023·4 cites·18 claims
- 0896US11643980B1Engine parametersROLLS ROYCE PLC·Filed 2022·Granted May 9, 2023·6 cites·17 claims
- 0994US11815031B2Fuelling scheduleROLLS ROYCE PLC·Filed 2022·Granted Nov 14, 2023·2 cites·19 claims
- 1089US12163479B2Fuel deliveryROLLS ROYCE PLC·Filed 2023·Granted Dec 10, 2024·1 cites·22 claims
- 1186US2025297575A1Gas turbine performanceROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 1284US12467410B2Gas turbine performanceROLLS ROYCE PLC·Filed 2024·Granted Nov 11, 2025·0 cites·7 claims
- 1384US12078112B2Determination of fuel characteristicsROLLS ROYCE PLC·Filed 2023·Granted Sep 3, 2024·0 cites·20 claims
- 1484US12060838B2Determination of fuel characteristicsROLLS ROYCE PLC·Filed 2023·Granted Aug 13, 2024·0 cites·20 claims
- 1584US2025347254A1Gas turbine engineROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 1681US12503983B2Propulsion system controlROLLS ROYCE PLC·Filed 2024·Granted Dec 23, 2025·0 cites·19 claims
- 1780US12331692B2Flight profileROLLS ROYCE PLC·Filed 2023·Granted Jun 17, 2025·0 cites·14 claims
- 1880US12297781B2Operating an aircraftROLLS ROYCE PLC·Filed 2023·Granted May 13, 2025·0 cites·19 claims
- 1979US12044177B2Gas turbine engine and method of operating gas turbine engineROLLS ROYCE PLC·Filed 2023·Granted Jul 23, 2024·0 cites·12 claims
- 2078US12416266B2Gas turbine engineROLLS ROYCE PLC·Filed 2024·Granted Sep 16, 2025·0 cites·19 claims
- 2178US12152497B2Contrail parametersROLLS ROYCE PLC·Filed 2023·Granted Nov 26, 2024·0 cites·19 claims
- 2278US12152496B2Exhaust contentROLLS ROYCE PLC·Filed 2023·Granted Nov 26, 2024·0 cites·18 claims
- 2378US11988144B2Fuel viscosityROLLS ROYCE PLC·Filed 2023·Granted May 21, 2024·0 cites·18 claims
- 2476US12331685B2Fuel viscosityROLLS ROYCE PLC·Filed 2024·Granted Jun 17, 2025·0 cites·18 claims
- 2576US2025250936A1Fuel characteristicROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 2676US2024309817A1Gas turbine engine heat exchangeROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 2775US12241423B2Aircraft refuellingROLLS ROYCE PLC·Filed 2023·Granted Mar 4, 2025·0 cites·13 claims
- 2875US12240614B2Aircraft propulsionROLLS ROYCE PLC·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 2975US12085029B2Propulsion system controlROLLS ROYCE PLC·Filed 2022·Granted Sep 10, 2024·0 cites·17 claims
- 3075US2025198341A1Gas turbine engine heat exchangeROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 3174US2025198340A1Gas turbine engine heat exchangeROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 3273US12158115B2Gas turbine engine heat exchangeROLLS ROYCE PLC·Filed 2023·Granted Dec 3, 2024·0 cites·18 claims
- 3373US2025198332A1Fuel characteristicROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 3471US12410756B2Heat transferROLLS ROYCE PLC·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 3570US12152542B2Transmittance parametersROLLS ROYCE PLC·Filed 2023·Granted Nov 26, 2024·0 cites·15 claims
- 3667US12098677B2Heat transferROLLS ROYCE PLC·Filed 2023·Granted Sep 24, 2024·0 cites·14 claims
- 3760US12158438B2Method of determining the calorific value of fuel provided to a gas turbine engineROLLS ROYCE PLC·Filed 2022·Granted Dec 3, 2024·0 cites·7 claims
- 3859US12497924B2Fueldraulic actuationROLLS ROYCE PLC·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 3957US12359619B2Fueldraulic heat management systemROLLS ROYCE PLC·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
- 4054US12421915B2Fuel supply systemROLLS ROYCE PLC·Filed 2024·Granted Sep 23, 2025·0 cites·19 claims
- 4154US2025198334A1Method of operating a gas turbine engineROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 4254US2025198343A1Gas turbine heat exchangerROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 4352US2025198366A1Actuated gas turbine engine systemsROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 4448US2024209784A1Gas turbine engineROLLS ROYCE PLC·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →