DK

Daniel Bernard Kupratis

RTX (Raytheon): 183 patents #8 of 15,912Top 1%
🗺 Connecticut: #25 of 34,797 inventorsTop 1%
Overall (All Time): #4,080 of 4,157,543Top 1%
183
Patents All Time

Issued Patents All Time

Showing 51–75 of 183 patents

Patent #TitleCo-InventorsDate
11530646 Crossover cooling flow for multi-engine systems 2022-12-20
11506146 Systems and methods for hybrid electric turbine engines Paul R. Hanrahan 2022-11-22
11448123 Geared turbofan architecture Frederick M. Schwarz 2022-09-20
11448125 Multistage gas turbine engine with differential drive of compressor Mark Tu, Paul R. Hanrahan, Arthur M. Salve, Jr. 2022-09-20
11448124 Geared turbofan engine with a high ratio of thrust to turbine volume Frederick M. Schwarz 2022-09-20
11421590 Augmented drive of compressors via differential and multistage turbine Paul R. Hanrahan, Arthur M. Salve, Jr. 2022-08-23
11415044 Multi-engine architecture with linkages to multiple spools Neil J. Terwilliger, Christopher J. Hanlon 2022-08-16
11408343 Turboshaft engine with axial compressor Paul R. Hanrahan 2022-08-09
11377219 Systems and methods for hybrid electric gas turbine engines Gary D. Roberge 2022-07-05
11346286 Geared turbofan engine with power density range Frederick M. Schwarz 2022-05-31
11326467 Dual drive electro-aero-thermal turbine engine Zubair Ahmed Baig, Gary Collopy, Coy Bruce Wood 2022-05-10
11319882 Gear and electric amplification of generator motor compressor and turbine drives Coy Bruce Wood, Ramesh Rajagopalan, Zubair Ahmed Baig 2022-05-03
11286856 Diversion of fan air to provide cooling air for gas turbine engine Anthony R. Bifulco 2022-03-29
11236639 Gas turbine engine and an airflow control system Christopher J. Hanlon, Walter A. Ledwith, Jr., William F. Schneider, Sean Danby, Robert H. Bush +1 more 2022-02-01
11215143 Geared turbofan arrangement with core split power ratio Frederick M. Schwarz 2022-01-04
11193425 Gearbox for boost spool turbine engine Paul R. Hanrahan, Arthur M. Salve, Jr. 2021-12-07
11168616 Hybrid electric fan with improved low pressure compressor Christopher J. Hanlon, William G. Sheridan 2021-11-09
11168617 Electric enhanced transmission for multi-spool load-sharing turbofan engine Coy Bruce Wood 2021-11-09
11156122 Airfoil cooling system 2021-10-26
11143142 Adaptive engine with boost spool Paul R. Hanrahan 2021-10-12
11136899 Integrated electro-aero-thermal turbine engine Zubair Ahmed Baig, Gary Collopy, Coy Bruce Wood 2021-10-05
11125155 Geared turbofan arrangement with core split power ratio Frederick M. Schwarz 2021-09-21
11098655 Variable multiple-drive gas turbine engine 2021-08-24
11091272 Aircraft hybrid propulsion fan drive gear system DC motors and generators Frederick M. Schwarz, William G. Sheridan, Glenn Levasseur 2021-08-17
11085371 Turbofan with motorized rotating inlet guide vane Dmitriy B. Sidelkovskiy, Neil J. Terwilliger, William G. Sheridan 2021-08-10