The Patent Finder

ZeroAvia, Inc.

35 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

0
Ending by 2030
Feb 2040
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Jan 25, 2027
    The maintenance fee for Electric acceleration assist for short takeoff and landing capabilities in fixed-wing aircraft (US 11,708,153) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
  • 2 fees due Mar 5 to 12, 2027 · next Mar 5
  • 1 fee due Apr 10, 2027
    The maintenance fee for Aircraft evacuation system with hydrogen inflation (US 11,780,596) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.
  • 1 fee due Jun 5, 2027
    The maintenance fee for Predictive Fuel Cell Management System for an Integrated Hydrogen-Electric Engine (US 11,837,763) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, it lapses early.
  • 3 fees due Jul 2 to 16, 2027 · next Jul 2
  • 2 fees due Sep 19 to 26, 2027 · next Sep 19
  • 2 fees due Oct 2 to 16, 2027 · next Oct 2

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended since Aug 16, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 11,749,818Multi-Stage Turbocharging Compressor for Fuel Cell Systems
In force
 · High confidence
In forceHigh confidence
US 11,757,115On-Board Oxygen Booster for Peak Power in Fuel Cell Systems
In force
 · High confidence
In forceHigh confidence
US 11,862,780Fuel cell—battery hybrid system for transportation use
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,942,668Aircraft fuel cell system without the use of a buffer battery
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,708,153Electric acceleration assist for short takeoff and landing capabilities in fixed-wing aircraft
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,508,979Aircraft fuel cell system without the use of a buffer battery
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,341,225Integrated hydrogen-electric engine
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,998,903Method for producing catalysts with nanoparticles of platinum and its alloys with metals
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,577,846Modular Electric Powertrain Conversion for Aircraft
In force
 · High confidence
In forceHigh confidence
US 12,051,831Bipolar plate of fuel cell with composite corrosion-resistant gastight conductive coating and method of forming thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 35 patents shown.
Pro members see all 35.
Pro members: see all 35 patents
Also on record, not counted in the 35: 2 lapsed for an unpaid fee. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

14 pending · 11 abandoned · 15 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited