Cabin Interior Materials Patents: Who Leads, Where the Gaps Are 2026
Cabin interior materials and flammability patents: who holds the claim space and where it is still open
34.4% of the field sits with five companies. The top 5 assignees combine for 229 of 665 records in scope, so a freedom-to-operate check for a new laminate or coating almost always starts with a short list, not a long one. Filings ran from 17 in 2017 to a peak of 48 in 2019, then eased; the last complete comparison point runs 2021 (8) to 2024 (6), a -25% move. 2025 and 2026 are still incomplete in the record and should not be read as a continued decline.
- 1THE BOEING CO64
- 2AICA KOGYO CO LTD52
- 3PREMARK RWP HLDG46
- 4EASTMAN CHEM CO40
- 5AVERY DENNISON CORP27
See the full cabin interior materials and flammability analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about this field
Who are the leading patent holders in cabin interior and flammability materials?
The assignee ranking for this dataset covers 100 companies across 665 records, with the leading assignee holding 64 records and the fifth-place holder at 27. The top five assignees combined account for 229 records, or 34.4% of the full 665-record dataset, so the field’s leadership is concentrated rather than evenly spread. Aerospace interior specialists and decorative laminate manufacturers make up the bulk of the top tier, reflecting the dual demand for fire performance and surface finish in this space.
Is patent filing in this space growing or slowing down?
Filing peaked at 48 records in 2019 and the last fully comparable window shows a drop from 8 filings in 2021 to 6 in 2024, a -25% change. Figures for 2025 and 2026 are still incomplete because patent publication typically lags filing by around 18 months, so it would be premature to call the field in decline based on the most recent years alone. The honest read is that activity has cooled from its 2019 peak, with the true trajectory for 2025-2026 still to be confirmed as more records publish.
What technology areas dominate cabin interior flammability patents?
Layered products and laminates (IPC class B32B) appear in 71.3% of the 665 records in scope, making it by far the dominant technology class. Decorative arts and surface finishing (B44C) follows at 27.2%, and plastics shaping (B29C) at 14.1%. Because a single patent record can carry several IPC codes, these percentages add up to more than 100% and should be read as independent measures of claim density, not as parts of a whole.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.