Grid-Forming Inverter for Electric Aircraft Patent Landscape
Grid-Forming Inverter for Electric Aircraft Patent Landscape in 2026
The patent corpus for grid-forming inverters purpose-built for electric aircraft is extremely nascent, with only 4 patent families on record and a single individual inventor holding the entire filed portfolio. Activity peaked in 2018–2019 and has since gone quiet, signaling an early-mover gap that no institutional player has yet moved to fill.
One inventor holds the entire ranked portfolio — extreme concentration in a near-empty field
NIKITIN ALEXEI V is the sole ranked applicant, holding all 4 patent families that constitute this corpus. No corporate or institutional filer appears in the top-100 applicant list.
Concentration is absolute: the top five filers account for 100% of the hundred largest filers’ combined total, and in this case all activity collapses to a single individual. There is no second tier.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | NIKITIN ALEXEI V | 4 |
The leader’s position implies an open landscape rather than a defended fortress — a single inventor’s portfolio, filed exclusively in the. United States, leaves substantial room for corporate entrants, international filings, and adjacent technical approaches.
Note that patent publication typically lags filing by 18–24 months, so any very recent activity may not yet be visible in this data. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing peaked in 2018–2019 and has been dormant since; power conversion is the sole technical theme
The two charts together tell a consistent story: a brief burst of individual inventor activity in 2018–2019 that has not attracted follow-on filers, concentrated entirely within power-conversion circuit classes.
Annual filing trend
Filings rose in 2018–2019 (the only active years on record) and have recorded zero new families in every subsequent year through 2026. Because publication lag is 18–24 months, the most recent periods are inherently under-counted, but the multi-year absence of activity is nevertheless notable.
↗ Hover for values · click a bar to ask EurekaTechnology composition
All 4 patent families fall under H02M (power conversion, AC/DC), with a secondary presence in H03K (pulse technique and logic circuits), suggesting the work is focused on the inverter control and switching circuitry rather than system-level integration or aircraft-specific power management.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Controllers for Regulated Power Inverters, AC/DC, …
The present invention relates to methods and corresponding apparatus for regulation, control, and management of DC-to-AC, AC-to-DC, and/or DC-to-DC switching power conversion. (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Controllers for Regulated Power Inverters, AC/DC, … | 21 |
| 2 | Controllers for Regulated Power Inverters, AC/DC, … | 10 |
| 3 | Controllers for regulated power inverters, AC/DC, … | 8 |
| 4 | Controllers for regulated power inverters, AC/DC, … | 1 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the structure means for R&D investment decisions
With a dormant filing trend, a single filer, and one dominant IPC branch, this space presents as an early-stage niche where the strategic question is whether and how to establish an institutional presence before the field broadens.
Decline stage — peak activity is already behind this niche
The lifecycle is classified as Decline, with annual filings easing back from the 2018 peak and no new families recorded in any year from 2020 onward. This could reflect a technology dead-end, a pivot to trade-secret protection, or simply the absence of corporate R&D investment — the evidence does not distinguish between these scenarios. New entrants would be entering against near-zero incumbent filing momentum.
Lifecycle: DeclineAbsolute single-filer dominance — no institutional player has staked a position
The top five filers’ share of the hundred largest filers is 100%, and all of that activity belongs to one individual inventor. No automotive OEM, aerospace prime, power electronics company, or university appears in the ranked list. For a corporate R&D team, this means the landscape can be entered without navigating a dense thicket of established IP. The flip side is that the thin corpus may indicate the technology is not yet mature enough to patent at scale.
Concentration: ExtremeNo co-applicant activity on record
The collaboration evidence shows no co-filed patents — every family is attributed to a single applicant. There are no visible university-industry partnerships, joint ventures, or cross-company consortia in this space. For an organization seeking to establish a position, collaborative filings with an aerospace research institute or a power electronics group could differentiate a portfolio and accelerate technical credibility.
Collaboration: None recordedUnited States is the only jurisdiction — international coverage is entirely absent
All 4 patent families are filed only in the United States. There are no PCT, EPO, Chinese, or Japanese counterparts visible in the record. For an organization targeting electric aircraft markets in Europe or Asia — where regulatory frameworks and OEM ecosystems are developing rapidly — filing in those jurisdictions would face no prior-art overlap from this existing portfolio.
Geography: US onlyGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
Co-filing pairs, ranked by the number of jointly-filed patent families.
NIKITIN ALEXEI V — the sole filer, focused entirely on power-conversion circuitry
The applicant ranking contains exactly one name. All strategic observations about this space must therefore be framed around what is absent rather than what competing players are doing.
NIKITIN ALEXEI V
Holds all 4 patent families in the corpus, filed exclusively in the United States. Technology emphasis spans H02M 1 and H02M 7 (power conversion, AC/DC) as well as H03K 3 (pulse technique and logic circuits). Applicant momentum data is not available for this filer, and filing activity has been absent since 2019, indicating no recent trajectory to evaluate.
patent families: 4No challenger on record
No second-ranked applicant exists in the corpus. The challenger position is vacant, which is itself the defining competitive fact about this field: any organization that files even a small cluster of families would immediately become the second-ranked player in a near-empty landscape.
patent families: 0Under-served adjacent branches worth monitoring
The whitespace candidate list from the evidence is empty, which itself confirms the sparsity of the field. The observations below are drawn from the IPC branches that are absent from the existing corpus despite being technically adjacent.
H02J · Power supply networks and management for aircraft electrical systems
H02J covers power supply networks, energy storage integration, and load management — functions directly relevant to a grid-forming inverter deployed on an electric aircraft where the inverter must stabilize a local microgrid. This branch is entirely absent from the current corpus. An entrant focusing on system-level power management, bus architecture, or battery-inverter coordination could build a differentiated position with no direct prior-art overlap in this space.
Search this in Eureka →B64D · Aircraft electrical equipment and power systems
B64D is the primary IPC locus for aircraft-specific electrical installations, and it does not appear in this corpus at all. Patents linking grid-forming inverter control methods explicitly to aircraft power architecture, certification requirements, or fault-ride-through under aviation operating conditions would occupy a distinct and currently unoccupied branch. This is an observation of relative sparsity; realizing it as an opportunity depends on readiness to address the specific certification and safety demands of aerospace power electronics.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | H02M 1 · Power conversion (AC/DC etc.) | H02M 7 · Power conversion (AC/DC etc.) | H03K 3 · Pulse technique & logic circuits | H02M 3 · Power conversion (AC/DC etc.) |
|---|---|---|---|---|
| NIKITIN ALEXEI V | Strong · 4 | Strong · 4 | Moderate · 2 | Moderate · 1 |
Frequently asked questions
The current corpus contains 4 patent families, making this one of the smallest and most nascent patent spaces in power electronics for aviation.
NIKITIN ALEXEI V is the sole ranked applicant, holding all 4 patent families. No corporate or institutional filer appears in the ranked list.
All 4 patent families are filed exclusively in the United States. No PCT, European, Chinese, or Japanese counterparts are recorded in the corpus.
The lifecycle is classified as Decline. Annual filings peaked in 2018–2019 and have been at zero in every subsequent year through 2026, indicating that the early burst of activity has not been followed by sustained or broadened filing.
H02M (power conversion, AC/DC) covers all 4 patent families, with H03K (pulse technique and logic circuits) appearing as a secondary branch. System-level or aircraft-specific IPC classes such as H02J or B64D are entirely absent.
No co-applicant or collaborative filings are recorded. Every family in the corpus is attributed solely to the individual inventor, and there are no visible university-industry or cross-company joint filings.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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