Hypersonics Patents: Top Companies & Filing Trends 2026
- 38.1% concentration at the top. The five leading assignees hold 291 of the 763 records in scope, so freedom-to-operate work has to start with a short list, not a long tail.
- Filing growth is real but modest. The complete-year window shows 2021 to 2024 filings up 5%, from 37 to 39 — steady claim pressure rather than a boom.
- Thermal protection sits behind aeroplane and spacecraft classes. C04B ceramics and refractories claims cover 11.9% of records, well below the 25.6% in B64C airframe classes — a narrower, more contestable space.
Filing growth compares 2021 (37 records) with 2024 (39) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 763 records in scope (CR5), not by the ranked leaders only.
What the hypersonics patent record actually covers
Hypersonics patenting spans vehicle structures, propulsion, and the thermal and trajectory-control systems that let a vehicle survive high-Mach flight. The 763 records in scope run from 2015 through the current filing year, captured across national and PCT filings, and combine both defence-adjacent aerospace primes and university or government research assignees. The mix of B64C airframe, B64G spacecraft and F02K propulsion classes shows this is still a systems-level field: most records touch more than one subsystem at once, which is why the technology composition shares below sum to well over 100% of records.
Filing offices skew heavily toward the United States, with China, the European Patent Office and WIPO's PCT route each carrying a meaningful share — a pattern consistent with a field where prototype vehicles are still largely state- or defence-funded rather than mass-produced. <em>Publication lags filing by roughly 18 months</em>, so the most recent one or two years in any trend chart will always look thinner than the underlying filing activity actually was.
Filing trend and technology composition
Two views of the same 763-record dataset: how filing activity moved year over year, and which IPC subclasses carry the claim density.
Filing activity, 2017-2026
Filings rose from 25 in 2017 to a peak of 57 in 2020, then settled into a steadier band; the complete-year comparison of 37 filings in 2021 against 39 in 2024 shows a modest 5% gain rather than a sustained surge. The 2026 figure of 14 is a partial year and should not be read as a decline.
Technology composition by IPC subclass
B64C (aeroplanes and helicopters) and B64G (cosmonautics and spacecraft) lead at 25.6% and 21.1% of the 763 records respectively, followed by F02K jet and reaction propulsion at 15.7%. Thermal-protection-adjacent C04B ceramics claims sit lower, at 11.9%, and B32B layered products at 9.2% — both narrower bands worth checking before assuming an idea is already claimed.
Shares are the percentage of the 763 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Hypersonics Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about hypersonics patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records shaping this field
Control of hypersonic boundary layer transition (US20170240271A1)
A system and method for controlling hypersonic boundary layer transition for a hypersonic flight vehicle are disclosed. The reduction or elimination of hot streaks that naturally occurs in the boundary layer transition process during hypersonic flight is achieved by utilizing various techniques, including roughness elements that counteract streak development and alter the nonlinear stages of transition. This results in significant drag reduction, an increase in vehicle range, and a reduction of the weight penalty on the Thermal Protection System.Filed by Arizona Board of Regents on behalf of the University of Arizona, 2017-08-24 — an example of university-originated claims sitting alongside prime-contractor filings in this field.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US6193187B1 | Payload carry and launch system | 141 |
| 2 | US5927653A | Two-stage reusable earth-to-orbit aerospace vehicle and transport system | 136 |
| 3 | US5560569A | Aircraft thermal protection system | 128 |
| 4 | US7710347B2 | Methods and apparatus for high performance structures | 122 |
| 5 | US6119985A | Reusable rocket-propelled high altitude airplane and method and apparatus for mid-air oxidizer transfer to sa… | 113 |
| 6 | US6612522B1 | Flyback booster with removable rocket propulsion module | 107 |
| 7 | US20070126292A1 | Advanced hypersonic magnetic jet/electric turbine engine (AHMJET) | 106 |
| 8 | US5421540A | Method and apparatus for disposal/recovery of orbiting space debris | 96 |
| 9 | US4795113A | Electromagnetic transportation system for manned space travel | 90 |
| 10 | US8256706B1 | Integrated hypersonic inlet design | 86 |
Citation counts inside this corpus favour older filings that have had more time to accumulate citations — read them as a signal of influence on later filings, not as a measure of current commercial importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Three read-throughs from the concentration, growth and citation figures above.
A short list controls over a third of the field
The five leading assignees combined hold 291 of the 763 records in scope. Any freedom-to-operate search in vehicle structures or propulsion should start by clearing claims from that short list before widening.
Steady claim pressure, not a filing boom
Filings moved from 37 in 2021 to 39 in 2024 across the last fully-published years. That is durable activity rather than acceleration, and it argues against treating hypersonics as a land-rush where speed alone secures position.
Thermal protection materials are less crowded than airframes
C04B ceramics and refractories claims cover 11.9% of records against 25.6% for B64C airframe classes. Materials-side claims around thermal protection have more room than structural or aerodynamic claims on the vehicle itself.
The oldest foundational filings still set the terms
The most-cited record in scope, on payload carry and launch systems, has drawn 141 citations. High citation counts here mark historical influence on later filings, not current relevance — check filing dates before relying on them for FTO conclusions.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to hypersonics patent landscape, with the prior art for and against each one.
The assignee landscape, from primes to single-filing entrants
The ranking covers 100 companies counted in records, from aerospace primes with deep portfolios to research entities and single-patent entrants. It is the full list the data endpoint returns, not a curated top tier.
One filer sits well ahead of the rest
The leading assignee holds 173 records, more than double the fifth-place figure of 22. That gap matters for competitive tracking: watching the leader's continuation filings tells you more than watching the median entrant.
The field thins fast after the top ten
Tenth place holds 12 records, against 374 combined for the top ten overall — 49.0% of all 763 records. Below that line, portfolios get thin quickly, which is where smaller specialist filers and university labs sit.
Co-filing is limited and concentrated in one cluster
Only 10 co-assignee pairs appear across the dataset, and the strongest links all involve the same specialist filer paired with individual named inventors. Cross-company joint filing is not yet a common strategy in this field.
| Assignee | Recent year | YoY |
|---|---|---|
| The Boeing Company | 0 | — |
| KREMEYER KEVIN | 0 | — |
| Raytheon Company | 0 | — |
| General Electric Company | 0 | -100% |
| SPACE ACCESS | 0 | — |
| DESTINUS SA | 0 | — |
| HRL Laboratories, LLC | 0 | -100% |
| Lockheed Martin Corporation | 0 | — |
Turning this landscape into a filing or freedom-to-operate decision
The figures above frame where the field stands; the next step is usually a targeted claim read against a specific design or a specific competitor's recent filings.
Run a freedom-to-operate check on the top assignees
Start with the five leading assignees that together hold 38.1% of the 763 records, then work outward to the tenth-place cut-off before assuming clear space.
Explore assignee portfolios in EurekaPressure-test a thermal protection or trajectory-control concept
C04B and B32B classes carry lower record shares than the airframe and propulsion classes, which is where a narrower claim is more likely to survive examination.
Search white space in EurekaCommon questions on the hypersonics patent landscape
One assignee leads the ranked field with 173 records, well ahead of the fifth-place company at 22. The top five combined account for 291 of the 763 records in scope, or 38.1% of the field, so competitive tracking should prioritise that short list before looking at the long tail of 100 ranked assignees. Boeing, Raytheon, Lockheed Martin and General Electric all appear among the more active filers in this dataset, alongside individual inventors and specialist firms.
Filing rose from 25 records in 2017 to a peak of 57 in 2020, then settled into a steadier pattern. Comparing the last two fully-published years, filings moved from 37 in 2021 to 39 in 2024, a 5% increase — modest growth, not a slowdown. Figures for 2025 and 2026 look lower only because publication lags filing by roughly 18 months, so those years are still filling in and should not be read as a real decline.
The largest IPC subclasses are B64C, aeroplanes and helicopters, covering 25.6% of the 763 records, and B64G, cosmonautics and spacecraft, at 21.1%. Jet and reaction propulsion (F02K) follows at 15.7%, with aircraft equipment (B64D) at 13.1%. Because most hypersonics filings touch multiple subsystems, a single record often carries several of these classes at once, which is why the shares add up to more than 100% of records.
Materials and control-system branches show lower claim density than the core airframe and propulsion classes: C04B ceramics and refractories sit at 11.9% of records and B32B layered products at 9.2%, both well below B64C's 25.6%. Specific sub-areas such as boundary-layer transition control, trajectory-control actuation and engine-airframe flight separation systems show fewer dense claim clusters relative to structural and propulsion filings. That does not mean these areas are unclaimed, only that the claim space is less crowded and worth a targeted search before filing.
US20170240271A1, filed by Arizona Board of Regents on behalf of the University of Arizona in August 2017, covers a system and method for controlling hypersonic boundary layer transition using roughness elements that counteract streak development. Its stated effect is drag reduction, extended vehicle range and a lower weight penalty on the thermal protection system. Anyone designing boundary-layer control features for a hypersonic vehicle should read its specific claim language before assuming a similar approach is open, since it is a university-originated filing sitting in the same technical space as several prime-contractor patents.
The United States receives the largest share of filings in this dataset at 290 records, followed by China at 99 and the European Patent Office at 98. WIPO's PCT route accounts for 63 filings, with Australia at 34 and India at 29. This distribution reflects a field still concentrated in jurisdictions with active defence and aerospace research funding rather than broad global filing.
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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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.