Inventor · Cincinnati, OH, US

Daniel Alan Niergarth

108Patents
11h-index
91Co-inventors
79Inventor score

Filing activity: May 11, 2015 → Mar 18, 2025

Most-cited inventions

PatentTitleAreaCited byStatus
US10487839B2 Embedded electric machine Emerging Cross-Sectional Technologies 46 Active
US10288083B2 Pitch range for a variable pitch fan Emerging Cross-Sectional Technologies 25 Active
US10308366B2 Embedded electric machine Emerging Cross-Sectional Technologies 24 Active
US11187156B2 Thermal management system Emerging Cross-Sectional Technologies 21 Active
US9932858B2 Gas turbine engine frame assembly Emerging Cross-Sectional Technologies 18 Active
US11015534B2 Thermal management system Emerging Cross-Sectional Technologies 18 Active
US11125165B2 Thermal management system Emerging Cross-Sectional Technologies 18 Active
US10676205B2 Propulsion engine for an aircraft Emerging Cross-Sectional Technologies 15 Active
US10392119B2 Electric propulsion engine for an aircraft Emerging Cross-Sectional Technologies 15 Active
US10100736B2 Gas turbine engine sump heat exchanger Emerging Cross-Sectional Technologies 12 Active
US9677659B1 Gearbox planet attenuation spring damper Mechanical Engineering; Lighting; Heating 12 Active
US10374477B2 Electric machine with separable magnet carrier Emerging Cross-Sectional Technologies 10 Active
US11261792B2 Thermal management system with thermal bus for a gas turbine engine or aircraft Emerging Cross-Sectional Technologies 10 Active
US10941706B2 Closed cycle heat engine for a gas turbine engine Emerging Cross-Sectional Technologies 10 Active
US10072510B2 Variable pitch fan for gas turbine engine and method of assembling the same Mechanical Engineering; Lighting; Heating 10 Active
US9869190B2 Variable-pitch rotor with remote counterweights Emerging Cross-Sectional Technologies 8 Active
US10539076B2 Self-contained lubrication cooling system with heat exchanger integrated with sump Emerging Cross-Sectional Technologies 8 Active
US11143104B2 Thermal management system Emerging Cross-Sectional Technologies 8 Active
US10826343B2 High speed electric machine with radially supported rotor magnets Emerging Cross-Sectional Technologies 7 Active
US11085636B2 Fuel oxygen conversion unit Emerging Cross-Sectional Technologies 7 Active
US10252810B2 Propulsion engine for an aircraft Emerging Cross-Sectional Technologies 6 Active
US11186382B2 Fuel oxygen conversion unit Emerging Cross-Sectional Technologies 5 Active
US11161622B2 Fuel oxygen reduction unit Emerging Cross-Sectional Technologies 5 Active
US10221706B2 Variable pitch fan actuator Emerging Cross-Sectional Technologies 5 Active
US11131256B2 Fuel oxygen conversion unit with a fuel/gas separator Emerging Cross-Sectional Technologies 5 Active

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