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HYDRAGON CORP

Overview
  • Total Patents
    18
About

HYDRAGON CORP has a total of 18 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Germany and Japan. Its main competitors in its focus markets engines, pumps and turbines and environmental technology are ENERGY COMPRESSION LLC, MALTA INC and NONOX ENG AB.

Patent filings in countries

World map showing HYDRAGON CORPs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Germany 5
#3 Japan 5

Patent filings per year

Chart showing HYDRAGON CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Earnest Ernest R 8
#2 Earnest Ernest Robert 5
#3 Passinos Bill 3
#4 Aanesuto Robaato Iaanesuto 2
#5 Aanesuto Ropaato Iaanesuto 1
#6 Aanesuto Robaato Iyanesuto 1
#7 Biru Patsushiinosu 1
#8 Aanesuto Robaato Aanesuto 1

Latest patents

Publication Filing date Title
US4267692A Combined gas turbine-rankine turbine power plant
US4271664A Turbine engine with exhaust gas recirculation
DE2829635A1 Motor vehicle gas turbine arrangement - includes Rankine turbine driving turbocompressor and Brayton turbine with exhaust heating intermediate heat exchanger
US4166361A Components and arrangement thereof for Brayton-Rankine turbine
US4204401A Turbine engine with exhaust gas recirculation
US4178754A Throttleable turbine engine
DE2731389A1 Gas turbine for vehicle propulsion - has thermostatically regulated auxiliary turbine to turn compressor
DE2731387A1 Exhaust gas feedback for gas turbines - has feedback rate determined by combination of air compressor intake and turbine intake temp.
US4133171A Temperature stratified turbine compressors
US4066381A Turbine stator nozzles
US4067189A Multicycle turbine engine