Inventor · Wallingford, CT, US

Daniel Bernard Kupratis

183Patents
18h-index
56Co-inventors
89Inventor score

Filing activity: Apr 8, 2005 → Jun 5, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8756908B2 Fundamental gear system architecture Emerging Cross-Sectional Technologies 72 Active
US10794292B2 Geared turbofan gas turbine engine architecture Emerging Cross-Sectional Technologies 65 Active
US8747055B2 Geared architecture for high speed and small volume fan drive turbine Emerging Cross-Sectional Technologies 59 Active
US8176725B2 Reversed-flow core for a turbofan with a fan drive gear system Emerging Cross-Sectional Technologies 51 Active
US7513120B2 Electrically coupled supercharger for a gas turbine engine Mechanical Engineering; Lighting; Heating 47 Active
US9752511B2 Geared architecture for high speed and small volume fan drive turbine Emerging Cross-Sectional Technologies 38 Active
US8516789B2 Gas turbine engine with aft core driven fan section Mechanical Engineering; Lighting; Heating 35 Active
US9631558B2 Geared architecture for high speed and small volume fan drive turbine Emerging Cross-Sectional Technologies 33 Active
US8104265B2 Gas turbines with multiple gas flow paths Mechanical Engineering; Lighting; Heating 33 Active
US9157366B2 Adaptive fan with cold turbine Mechanical Engineering; Lighting; Heating 33 Active
US8887487B2 Geared turbofan gas turbine engine architecture Emerging Cross-Sectional Technologies 27 Active
US8915700B2 Gas turbine engine with fan-tied inducer section and multiple low pressure turbine sections Mechanical Engineering; Lighting; Heating 26 Active
US9103227B2 Gas turbine engine with fan-tied inducer section Mechanical Engineering; Lighting; Heating 25 Active
US10240526B2 Gas turbine engine with high speed low pressure turbine section Mechanical Engineering; Lighting; Heating 24 Active
US9695751B2 Geared turbofan gas turbine engine architecture Emerging Cross-Sectional Technologies 23 Active
US9239004B2 Reverse core gear turbofan Mechanical Engineering; Lighting; Heating 22 Active
US9341121B2 Gas turbine engine with intercooling turbine section and intercooling turbine section bypass Emerging Cross-Sectional Technologies 21 Active
US8899915B2 Geared architecture for high speed and small volume fan drive turbine Emerging Cross-Sectional Technologies 20 Active
US9003808B2 Turbofan with gear-driven compressor and fan-driven core Emerging Cross-Sectional Technologies 18 Active
US8161728B2 Gas turbines with multiple gas flow paths Mechanical Engineering; Lighting; Heating 17 Active
US10125722B2 Turbine engine with a turbo-compressor Mechanical Engineering; Lighting; Heating 16 Active
US10288010B2 Geared turbofan gas turbine engine architecture Emerging Cross-Sectional Technologies 16 Active
US10072570B2 Reverse flow gas turbine engine core Mechanical Engineering; Lighting; Heating 16 Active
US8365514B1 Hybrid turbofan engine Mechanical Engineering; Lighting; Heating 13 Active
US9021778B2 Differential gear system with carrier drive Mechanical Engineering; Lighting; Heating 12 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.