Inventor
MACDOUGALL DUNCAN A
GB18 patents
Patents
18 patentsUS10612471B1Apr 7, 2020
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC5 citations82
US11002149B2May 11, 2021
Ice crystal protection for a gas turbine engine
ROLLS ROYCE PLC4 citations71
US10578027B1Mar 3, 2020
Combustor blade and vane spacing for ice crystal protection for a gas turbine engine
ROLLS ROYCE PLC5 citations71
US12416538B2Sep 16, 2025
System and method for testing a specimen
ROLLS ROYCE PLC0 citations62
US12565841B2Mar 3, 2026
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US12286895B2Apr 29, 2025
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US12110804B2Oct 8, 2024
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US11873731B2Jan 16, 2024
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US11732603B2Aug 22, 2023
Ice crystal protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US11686248B2Jun 27, 2023
Core duct assembly
ROLLS ROYCE PLC0 citations61
US11619135B2Apr 4, 2023
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US11512607B2Nov 29, 2022
Ice crystal protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US11047311B2Jun 29, 2021
Core duct assembly
ROLLS ROYCE PLC0 citations61
US10995677B2May 4, 2021
Super-cooled ice impact protection for a gas turbine engine
ROLLS ROYCE PLC0 citations61
US11920499B2Mar 5, 2024
Gas turbine engine with improved VIGV shielding
ROLLS ROYCE PLC0 citations56
US11634993B2Apr 25, 2023
Gas turbine engine with improved VIGV shielding
ROLLS ROYCE PLC0 citations56
US12135313B2Nov 5, 2024
System and method for applying dynamic loading to a test specimen
ROLLS ROYCE PLC0 citations42
US11634994B2Apr 25, 2023
Nozzle guide vane
ROLLS ROYCE PLC0 citations40