Aerogel Wall Insulation Patents: Leaders, Trends & White Space 2026
Filing growth compares 2021 (1,061 records) with 2024 (845) — 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 15,982 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This landscape draws on 15,982 published records matching aerogel wall insulation and related aerogel-plus-wall-plus-insulation filings, spanning 2015 through the 2026 data cut-off. It tracks who is filing, how fast the field is moving, and which parts of the technical space are crowded versus open. Patent families, rather than raw document counts, are the fairer unit for judging real activity, since families neutralise the effect of aggressive continuation filing or filing the same invention in multiple jurisdictions.
Because publication typically lags filing by roughly 18 months, the most recent one or two years in any trend chart will always look thinner than they eventually turn out to be. That lag matters most when reading 2025 and 2026 figures — they are still filling in, not a genuine drop-off.
Filing trend and technology composition
Two views of the same 15,982-record corpus: how filing volume has moved year over year, and which IPC subclasses the underlying inventions actually sit in.
Filing trend, 2017–2026
Filings ran from 752 in 2017 to a peak of 1,136 in 2022, before easing to 845 in 2024 — a 20% decline over that three-year span. 2025 and 2026 figures (down to 89 for the partial latest year) are undercounts still working through the publication pipeline, not evidence of a further slide.
Technology composition by IPC subclass
B32B (layered products and laminates) and E04B (building structures and elements) lead at 9.7% and 9.4% of all records respectively, closely followed by F16L (pipe and pipe-fitting insulation) at 8.7%. A sizeable H01M (batteries and cells) share of 8.5% signals how much aerogel insulation activity is being driven by battery enclosure and thermal-runaway protection rather than building envelopes alone. Records can carry more than one class, so these shares add up past 100%.
Shares are the percentage of the 15,982 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Building Envelope & Efficiency: Aerogel Wall Insulation Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about building envelope & efficiency: aerogel wall insulation patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaA representative claim and the most-cited prior art
A thermal insulation board comprising at least one aerogel composite material for the thermal insulation of buildings
The filing (US20230020788A1, Aspen Aerogels, published 2023-01-19) covers a thermal insulation board built from at least two bonded insulating layers, at least one of which combines a silica aerogel, a polymer foam and a flame retardant into a single composite layer, plus the resulting insulation system and its production process.Claim scope centres on the layered composite structure and the flame-retardant aerogel-foam blend, not on silica aerogel chemistry alone.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20080170982A1 | Fabrication and Application of Nanofiber Ribbons and Sheets and Twisted and Non-Twisted Nanofiber Yarns | 1,266 |
| 2 | US20100173394A1 | Droplet-based assay system | 1,146 |
| 3 | US20140163664A1 | Integrated system for the ballistic and nonballistic infixion and retrieval of implants with or without drug … | 967 |
| 4 | US20160045841A1 | New and improved system for processing various chemicals and materials | 860 |
| 5 | US20130042865A1 | Low temperature electronic vaporization device and methods | 774 |
| 6 | US6459175B1 | Universal power supply | 768 |
| 7 | US20100210745A1 | Molecular Healing of Polymeric Materials, Coatings, Plastics, Elastomers, Composites, Laminates, Adhesives, a… | 718 |
| 8 | US20060206246A1 | Second national / international management and security system for responsible global resourcing through tech… | 674 |
| 9 | US20030085621A1 | Power supply methods and configurations | 635 |
| 10 | US20100286791A1 | Integrated system for the ballistic and nonballistic infixion and retrieval of implants | 630 |
High citation counts inside a searched corpus tend to favour older records simply because they have had more time to accumulate citations — treat this table as a signal of influence on the field, not a ranking of current importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers say about the field
Three patterns stand out once filing volume, concentration and technology mix are read together.
No single company controls the field
The leading assignee holds 266 records, but the five most active filers together account for only 6.0% of all 15,982 records in scope, and the ranked ten reach just 10.4%. That is a long tail of moderate and single-filing entrants rather than a field locked up by a handful of incumbents.
Filing has cooled from its 2022 peak, not stalled
Activity climbed to a peak of 1,136 filings in 2022, then eased to 845 by 2024 — a 20% pullback over that three-year window. That is a real cooling in a maturing filing cycle, distinct from the 2025-2026 numbers, which are simply too new to read.
Aerogel insulation claim space extends well past building walls
F16L (pipe insulation) and H01M (batteries and cells) each carry a substantial share of the corpus alongside E04B (building structures), meaning many of the same aerogel composite claims are being drafted for battery pack thermal barriers and pipe lagging, not walls exclusively.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to building envelope & efficiency: aerogel wall insulation patent landscape, with the prior art for and against each one.
Where to take this analysis
The dataset points to specific next steps depending on whether the goal is freedom-to-operate, partnership scouting or white-space filing.
Check freedom-to-operate against the leading board and laminate claims
Layered composite claims covering aerogel-foam-flame-retardant boards sit closest to the representative filing; any new board or panel design should be checked against that claim structure before drafting.
Run an FTO check in EurekaTrack the assignees that have gone quiet
Several previously active filers show a sharp drop in the latest tracked year. Confirming whether that is publication lag or a genuine pullback matters before assuming the field has consolidated.
Monitor assignee activity in EurekaExplore claim space outside core wall panels
Pipe-lagging and battery-enclosure applications carry meaningful shares of this corpus already; a claim drafted around one of the thinner sub-areas may face less crowded prior art than a straight wall-panel filing.
Explore white space in EurekaCommon questions about aerogel wall insulation patents
The ranked list covers 100 companies, with a single leader holding 266 records well ahead of the fifth-ranked filer at 151 and the tenth-ranked filer at 134. Even so, the top 5 filers combined account for only 6.0% of all 15,982 records in scope, so leadership is real but not dominant. That leaves a large body of moderate and single-filing entrants working across adjacent applications like pipe insulation and battery enclosures, which is worth checking before assuming the field is closed.
Filing volume rose from 752 records in 2017 to a peak of 1,136 in 2022, then eased to 845 by 2024, a 20% decline over that three-year span. That is a genuine cooling from the peak rather than a sign the technology is being abandoned. Figures for 2025 and 2026 look much lower still, but that reflects the roughly 18-month lag between filing and publication, not a collapse in activity.
Beyond building structures (E04B, 9.4% of records), the corpus shows strong overlap with layered products and laminates (B32B, 9.7%), pipe and pipe-fitting insulation (F16L, 8.7%), and batteries and cells (H01M, 8.5%). This means many aerogel composite claims are drafted broadly enough to cover pipe lagging or battery pack fire barriers as well as wall panels. A search limited strictly to building-envelope classes will miss a meaningful share of relevant prior art sitting in these adjacent classes.
US20230020788A1 claims a thermal insulation board made of at least two bonded insulating layers, where at least one layer is a composite combining a silica aerogel, a polymer foam and a flame retardant, along with the resulting insulation system and its production process. The claim scope centres on that layered, flame-retardant composite structure rather than on silica aerogel chemistry in isolation. Anyone designing a competing board should look closely at how their layer bonding and flame-retardant approach differs from this structure.
Filing density is comparatively thin in areas like retrofit-grade flexible aerogel wraps, low-dust board manufacturing processes, and pipe-lagging or battery-pack fire-blocking applications built on the same aerogel composite chemistry. These sit adjacent to the crowded core of wall-panel and board claims rather than replacing them. A first claim in one of these branches would likely need to specify the application-specific form factor or manufacturing step that distinguishes it from the dense board and laminate prior art.
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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.