DT

David Russell Trawick

Rolls-Royce Plc: 18 patents #34 of 1,164Top 3%
RA Rolls-Royce North America: 6 patents #86 of 447Top 20%
RP Rolls-Royce Singapore Pte.: 4 patents #2 of 30Top 7%
RA Rolls-Royce Electrical Norway As: 3 patents #3 of 14Top 25%
📍 Indianapolis, IN: #193 of 5,011 inventorsTop 4%
🗺 Indiana: #1,148 of 33,936 inventorsTop 4%
Overall (All Time): #167,490 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12384556 Hybrid propulsion systems with power sharing 2025-08-12
12371177 Hybrid propulsion systems with power sharing 2025-07-29
12368359 Electrical energy system having active segments for variable voltage generation Mathew Hill 2025-07-22
12328086 Aircraft with engine-driven permanent magnet generator Matthew Hill, Chandana Jayampathi Gajanayake 2025-06-10
12244184 Systems and methods for intentionally breaking shafts of compromised electric machines with electro-thermal activation Mathew Hill 2025-03-04
12095405 Fault tolerant turbo-generator system David Loder, Eirik Mathias Husum, Erlend Engevik, Roar Furuhaug, Chandana Jayampathi Gajanayake 2024-09-17
11970973 Electric machine cooling of stator with tube Stephen Andrew Long, Sean Andrew Morgan, Kolbeinn Kristjansson 2024-04-30
11952139 Voltage controlled aircraft electric propulsion system Peter Schenk, David Loder 2024-04-09
11876364 Multilayer electronic components with soldered through holes Shuai Wang, Chandana Jayampathi Gajanayake 2024-01-16
11851198 Electrically propelled aircraft with partially rated converter Chandana Jayampathi Gajanayake 2023-12-26
11840148 Hybrid aircraft having rectifier with integrated protection David Loder, Eirik Mathias Husum, Erlend Engevik, Roar Furuhaug, Chandana Jayampathi Gajanayake 2023-12-12
11832390 Multilayer copper bus bars with soldered through hole components Shuai Wang, Chandana Jayampathi Gajanayake 2023-11-28
11808311 Electrically insulated shaft coupling Mathew Hill 2023-11-07
11750140 Detection and control of motor drive during an AC side ground fault Chandana Jayampathi Gajanayake, Shuai Wang 2023-09-05
11723173 Stacked cold plate with flow guiding vanes and method of manufacturing Shuai Wang, Chandana Jayampathi Gajanayake 2023-08-08
11613368 Aircraft with electrical energy storage in nacelles John T. Alt, Sara Jocelyn Abruzzo, Daniel Lawrence Phelps 2023-03-28
11456677 Power converter protection circuit Shaui Wang, Chandana Jayampathi Gajanayake, Suvajit Mukherjee, Souvik Dasgupta 2022-09-27
11411514 Electric machine with torque control 2022-08-09
11394152 Electrical connector spacer system Daniel Lawrence Phelps 2022-07-19
11380945 Recuperative battery cooling system as emergency power source 2022-07-05
11319880 Electrical controller for engine-driven electric machine 2022-05-03
11155339 Electrified mechanical control cables 2021-10-26
11121542 Protection coordination technique for power converters David Loder 2021-09-14
11014686 Dynamic power demand allocation on redundant power buses David Loder 2021-05-25