Turbofan Critical-Material Substitution Patent Snapshot
The indexed corpus for turbofan critical-material substitution currently contains a single patent family, filed by Rolls-Royce PLC and granted in the United States, spanning powder-metallurgy and additive-manufacturing branches. At this corpus size, no statistically meaningful concentration, trend, or white-space analysis is possible, and the findings below should be treated as a preliminary snapshot pending broader search calibration.
Rolls-Royce PLC holds the sole indexed position in this corpus
The applicant ranking is topped by Rolls-Royce PLC, which accounts for the entirety of the indexed corpus. Its single patent family spans powder metallurgy and additive manufacturing applied to turbine components, indicating an interest in process-route alternatives as a substitution lever.
With one applicant and one family, the top five filers’ share of the ranked applicants visible in this query is, by construction, one hundred percent. This figure reflects the extreme narrowness of the current query result rather than any inherent market concentration, and no tier-gap inference is warranted.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Rolls-Royce PLC | 1 |
Rolls-Royce PLC’s presence in this space is consistent with its known programme of investigating alternative manufacturing routes for hot-section and structural components. However, a single-family corpus cannot confirm leadership depth or long-term strategic commitment.
Results from the most recent 18–24 months are subject to publication lag and may undercount actual filings; additionally, the corpus scope may need refinement to surface a representative sample of this technology area. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A single 2017 filing with no subsequent indexed activity
The annual filing trend and technology-composition charts both reflect a corpus of one patent family. The trend shows one record dated 2017 and zero in every subsequent year through 2026; the technology mix spans three IPC branches each represented by that single family.
Annual filing trend
One filing appears in 2017; all years from 2018 onward show zero indexed activity. Because the most recent 18–24 months are subject to publication lag, the absence of recent records should not be interpreted as confirmed inactivity — it likely reflects both lag and query scope.
↗ Hover for values · click a bar to ask EurekaTechnology composition
The sole family is tagged under three IPC branches: B22F (powder metallurgy), B33Y (additive manufacturing / 3D printing), and F01D (turbines and non-positive displacement engines). This co-classification indicates that the family addresses manufactured turbine parts via powder-based or additive routes — a natural intersection for critical-material substitution work.
↗ 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.
Component for a gas turbine engine and method of m…
The present invention provides a method of manufacturing an abradable section to be formed on the interior of the casing of a gas turbine engine. The abradable section is formed by an additive manufacturing process to be of a lower density than the surrounding portions of the casing, but integrally formed with those portions. The abradable section thus… (excerpt from the patent abstract)


| # | Patent | Citations |
|---|---|---|
| 1 | Component for a gas turbine engine and method of m… | 14 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Rolls-Royce PLC
Rolls-Royce PLC holds the single indexed patent family in this corpus, classified across powder-metallurgy sub-branches B22F3, B22F5, and B22F7, reflecting work on forming and consolidating powder-based components for turbine applications. No momentum data is available from the evidence set — the applicant shows one family filed in 2017 and no subsequent indexed activity — so trajectory cannot be confirmed.
families: 1Challenger profile unavailable
No second-ranked applicant exists in the current corpus. Potential challengers in the broader turbofan critical-material substitution space — including other major engine OEMs and specialty materials companies — do not appear in the indexed results. A refined or expanded search is needed to populate this tier.
families: evidence pendingFrequently asked questions
Within the indexed corpus, Rolls-Royce PLC is the only ranked applicant, holding the single patent family on record. This should not be read as a definitive market-leadership claim; it reflects the current scope of the query.
The indexed corpus contains one patent family. This is unusually narrow and suggests the search query may need to be broadened or reformulated to capture the full range of relevant filings in this technology area.
The single family spans three IPC branches: B22F (powder metallurgy), B33Y (additive manufacturing and 3D printing), and F01D (turbines and non-positive displacement engines), indicating a focus on manufactured turbine components via powder-based or additive routes.
The sole indexed family is filed in the United States only. No European, Chinese, or other national or regional filings appear in the current corpus.
The evidence identifies one top-cited record with a title beginning ‘Component for a gas turbine engine and method of m…’, which has accumulated 14 citations. This is the only citation data available in the indexed corpus.
No co-applicant or collaborative filing relationships are present in the indexed corpus. Whether this reflects genuine isolated development or a gap in query coverage cannot be determined from the current evidence.
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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.