Assignee
ZEROAVIA INC
US29 patents
Top patents by PatentIndex Score
US11876263B1Jan 16, 2024
Cathode ejector cooling flow control system
ZEROAVIA INC13 citations77
US11575138B1Feb 7, 2023
Liquid hydrogen storage system as thermal battery
ZEROAVIA INC6 citations74
US11858647B2Jan 2, 2024
Managing hydrogen fuel in hydrogen fuel cell-powered aircraft
ZEROAVIA INC3 citations70
US11411236B2Aug 9, 2022
On-board oxygen booster for peak power in fuel cell systems
ZEROAVIA INC2 citations68
US11958625B1Apr 16, 2024
Aerodynamic hydrogen tanks
ZEROAVIA INC3 citations67
US11508979B2Nov 22, 2022
Aircraft fuel cell system without the use of a buffer battery
ZEROAVIA INC3 citations66
US12341225B2Jun 24, 2025
Integrated hydrogen-electric engine
ZEROAVIA INC1 citations63
US12542287B2Feb 3, 2026
Fuel tank heat dissipation system for fuel cell cooling
ZEROAVIA INC0 citations62
US11933325B1Mar 19, 2024
Thermal pumping of liquid hydrogen
ZEROAVIA INC1 citations62
US11749818B2Sep 5, 2023
Multi-stage turbocharging compressor for fuel cell systems
ZEROAVIA INC0 citations62
US11577846B2Feb 14, 2023
Modular electric powertrain conversion for aircraft
ZEROAVIA INC1 citations62
US11444295B2Sep 13, 2022
Multi-stage turbocharging compressor for fuel cell systems
ZEROAVIA INC1 citations62
US11949133B1Apr 2, 2024
Liquid water from fuel cell exhaust for cabin humidity control
ZEROAVIA INC0 citations60
US12139269B2Nov 12, 2024
Capture of hydrogen boiloff
ZEROAVIA INC0 citations58
US11757115B2Sep 12, 2023
On-board oxygen booster for peak power in fuel cell systems
ZEROAVIA INC0 citations57
US11942668B2Mar 26, 2024
Aircraft fuel cell system without the use of a buffer battery
ZEROAVIA INC0 citations56
US12531253B1Jan 20, 2026
Air-cooled fuel cell stacks integrated into aircraft wings
ZEROAVIA INC0 citations53
US12113252B2Oct 8, 2024
Detecting a fault condition in a fuel cell system
ZEROAVIA INC0 citations53
US12129044B2Oct 29, 2024
Cooling architecture for hydrogen fuel cell-powered aircraft
ZEROAVIA INC0 citations52
US12030611B2Jul 9, 2024
Lighter-than-air craft with hydrogen propulsion
ZEROAVIA INC0 citations52
US12444939B2Oct 14, 2025
Systems and methods for integrated fuel cell stack and battery management for transportation use
ZEROAVIA INC0 citations51
US11708153B2Jul 25, 2023
Electric acceleration assist for short takeoff and landing capabilities in fixed-wing aircraft
ZEROAVIA INC0 citations51
US12222073B1Feb 11, 2025
Interrogation of temperature sensitive coatings on fuel tank exterior
ZEROAVIA INC0 citations48
US12000404B1Jun 4, 2024
Inrunner axial compressor
ZEROAVIA INC1 citations47
US12512486B2Dec 30, 2025
Electric power generation system based on pressurized fuel cell power system with air cooling and recirculation and method for electric power generation by the system
ZEROAVIA INC0 citations45
US11862780B2Jan 2, 2024
Fuel cell—battery hybrid system for transportation use
ZEROAVIA INC0 citations45
US11780596B2Oct 10, 2023
Aircraft evacuation system with hydrogen inflation
ZEROAVIA INC0 citations45
US12051831B2Jul 30, 2024
Bipolar plate of fuel cell with composite corrosion-resistant gastight conductive coating and method of forming thereof
ZEROAVIA INC0 citations44
US11998903B2Jun 4, 2024
Method for producing catalysts with nanoparticles of platinum and its alloys with metals
ZEROAVIA INC0 citations30