DM

David Lei Ma

RTX (Raytheon): 8 patents #1,453 of 15,912Top 10%
Overall (All Time): #599,330 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12259134 Hydrogen liquid oxygen combined cycle engine Walter A. Ledwith, Jr. 2025-03-25
11976633 Systems and methods for optimal speed protection for power turbine governing Chaohong Cai, Timothy J. Crowley, Richard P. Meisner 2024-05-07
11912423 Hydrogen steam and inter-cooled turbine engine Joseph B. Staubach, Amanda J. L. Boucher 2024-02-27
11802508 Efficient turbine engine using integrated ammonia fuel processing Lance L. Smith, Joseph B. Staubach, Brian M. Holley, Sean C. Emerson 2023-10-31
11555455 Adaptive model predictive control for hybrid electric propulsion Timothy J. Crowley, Sorin Bengea, Manuj Dhingra, David Gelwan, Kevin Hendricks +3 more 2023-01-17
11519289 Systems and methods for hybrid electric turbine engines Gabriel L. Suciu, Om P. Sharma, Joseph B. Staubach, Marc J. Muldoon, Jesse M. Chandler 2022-12-06
11346290 Speed limiting for power turbine governing and protection in a turboshaft engine Chaohong Cai, Richard P. Meisner, Timothy J. Crowley 2022-05-31
11092136 Systems and methods for optimal speed protection for power turbine governing Chaohong Cai, Timothy J. Crowley, Richard P. Meisner 2021-08-17