Nickel Superalloy Powder Metallurgy Patent Landscape
The nickel superalloy powder metallurgy space is a mature, concentrated field dominated by a tight cluster of aerospace and energy OEMs, with General Electric and Honeywell International sharing the lead position among ranked applicants. The field is still expanding on a multi-year basis, though annual volume has eased from its 2021 peak, and adjacent branches such as turbine-application engineering and surface coatings remain comparatively sparse.
GE and Honeywell share the lead in a tightly held field
General Electric and Honeywell International each hold 27 patent records among the top hundred ranked applicants, placing them in a shared first position. Gaona Aero Material, United Technologies, and Aubert et Duval follow closely, confirming that a small group of established aerospace and energy players controls the bulk of activity in this field.
The top five filers collectively account for 38% of the combined total among the hundred largest filers — a level of concentration that signals meaningful barriers to entry for new participants and limited fragmentation at the top of the ranking. A secondary cluster of Chinese state-linked institutions and European specialty alloy houses fills ranks six through ten, creating a clear two-tier structure.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | General Electric Company | 27 | |
| 2 | Honeywell International Inc. | 27 | |
| 3 | Gaona Aero Material Co., Ltd. | 17 | |
| 4 | United Technologies Corporation | 16 | |
| 5 | Aubert et Duval SA | 14 | |
| 6 | Central South University | 14 | |
| 7 | Safran SA | 9 | |
| 8 | Rutgers, The State University of New Jersey | 9 | |
| 9 | Ansaldo Energia Switzerland AG | 8 | |
| 10 | GE Infrastructure Technology LLC | 8 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | General Electric Technology GmbH | 7 | |
| 12 | Rolls-Royce plc | 7 | |
| 13 | Kawasaki Heavy Industries, Ltd. | 6 | |
| 14 | Nuovo Pignone SpA | 5 | |
| 15 | Centro Sviluppo Materiali SpA | 5 | |
| 16 | AVIC Beijing Institute of Aeronautical Materials | 5 | |
| 17 | National Institute for Materials Science (NIMS) | 5 | |
| 18 | Nuovo Pignone Tecnologie SRL | 4 | |
| 19 | SN DETUDE & DE CONSTR DE MOTEURS DAVIATION (S N E … | 3 | |
| 20 | NAT CHUNG SHAN INST SCI & TECH | 3 |
The leaders’ positions reflect decades of turbine-component manufacturing expertise; their broad claim portfolios spanning alloy composition, heat treatment, and near-net-shape forming make it difficult for a new entrant to establish a differentiated foothold in core powder metallurgy routes without targeting a specific sub-process or application segment.
Filing counts for 2025 and 2026 are understated due to the standard 18-month publication lag and should not be interpreted as a slowdown in activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Cyclical but sustained activity, with alloy composition dominating the technology mix
Annual filing volumes show a field that has plateaued near its 2021 peak rather than entering structural decline, while the technology composition reveals a dominant core of alloy and powder-process patents surrounded by a growing additive-manufacturing branch.
Annual filing trend
Filing volumes peaked at 19 records in 2021 and again reached 19 in 2023 before easing, consistent with a field in the maturity stage. The 2025 and 2026 bars are affected by publication lag and will rise as pending applications publish; they should not be read as a real-volume decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C22C (Alloys) is the single largest branch, reflecting the centrality of composition innovation. B22F (Powder metallurgy processes) and C22F (Non-ferrous metal treatment) together form the core processing cluster. B33Y (Additive manufacturing / 3D printing) is the fastest-emerging adjacent branch, signaling increasing integration of powder-bed and directed-energy deposition routes with traditional superalloy processing.
↗ 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.
Method of manufacturing a workpiece of any given c…
Method of manufacturing a workpiece of any given cross-sectional dimensions from an oxide-dispersion-hardened nickel-based superalloy available in the form of coarse-grained longitudinally directed columnar crystals by connecting previously very finely machined workpiece parts derived from a semi-finished product by diffusion-bonding using hot isostatic… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Abrasive material, especially for turbine blade tips | 85 |
| 2 | Turbine rotor having improved rim durability | 70 |
| 3 | Composite gas turbine blade and method of manufact… | 57 |
| 4 | Method of manufacturing a workpiece of any given c… | 55 |
| 5 | Net shape hastelloy X made by metal injection mold… | 50 |
| 6 | Composite metallic and non-metallic articles | 43 |
| 7 | Nickel-based superalloy and methods for repairing … | 33 |
| 8 | Nickel-based superalloys and additive manufacturin… | 31 |
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 patent structure means for R&D investment decisions
The combination of a mature lifecycle, high top-tier concentration, active cross-border collaboration, and a US-led jurisdictional footprint shapes where competitive R&D spend is likely to generate defensible returns.
A plateaued field, not a declining one
The lifecycle evidence places nickel superalloy powder metallurgy firmly in the maturity stage, with annual filings having plateaued near their 2021 peak. Multi-year growth across the analysis window remains positive at roughly 8%, so the field is not contracting. R&D investment is best directed toward differentiated sub-processes — such as additive-compatible powder specification or advanced heat-treatment sequences — rather than broad alloy-composition claims where the prior-art landscape is dense.
Lifecycle: MaturityA two-tier structure with a defended core
The top five filers hold 38% of the combined records among the hundred largest filers, and the co-leadership of GE and Honeywell at 27 records each signals that the core powder metallurgy process space is well-covered. The secondary tier — including Gaona Aero Material, United Technologies, and Aubert et Duval — has established positions in alloy composition and forming. New entrants are more likely to find room in application-adjacent or process-integration sub-fields than in the composition core.
Concentration: HighAubert et Duval–Safran is the most active co-filing pair
Aubert et Duval and Safran are the most prolific co-filers with 4 joint records, reflecting an established supplier–OEM relationship in the French aerospace ecosystem. Central South University collaborates with its Shenzhen Research Institute (2 joint records) and with CNNC Jianzhong and AECC South Industry (1 each), indicating that Chinese academic–industrial linkages are formalizing. Safran also co-files with ONERA (1 record), extending its research reach into national aerospace science institutions.
Collaboration: ActiveUS-dominant filing with strong European and rising Chinese presence
The United States is the leading jurisdiction by patent records, followed by Europe (EPO) and China. Japan, WIPO (PCT), and Canada form a secondary tier of protection. China’s position in third place reflects the growing domestic aerospace and energy programs supported by applicants such as Gaona Aero Material and Central South University. Engineers targeting export-market protection should prioritize US, EPO, and Chinese filings as the minimum three-jurisdiction strategy.
Geography: US-ledGo 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.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Aubert et Duval SA | Safran SA | 4 |
| Central South University | Shenzhen Research Institute of Central South University | 2 |
| Gaona Aero Material Co., Ltd. | North China University of Technology | 1 |
| Central South University | CNNC Jianzhong Nuclear Fuel Co., Ltd. | 1 |
| Central South University | AECC South Industry Co., Ltd. | 1 |
| Safran SA | ONERA – The French Aerospace Lab | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
GE leads on alloy and turbine application; Honeywell leads on powder processing
The two ranked leaders share the same patent-record count but diverge in technical emphasis: General Electric concentrates on alloy composition and turbine-component application, while Honeywell International anchors its portfolio in powder metallurgy forming processes.
General Electric
General Electric holds 27 patent records, the joint-highest count in the ranking. Its technology focus is concentrated in C22C 19 (nickel-base alloy compositions, 40 classified records), C22F 1 (non-ferrous heat treatment, 14 records), and F01D 5 (turbine blade and disk applications, 7 records), reflecting a vertically integrated strategy from alloy design through turbine-component manufacture. Momentum data indicates GE is a new entrant in the most recent filing window, suggesting its current corpus reflects legacy strength rather than recent acceleration.
Patent records: 27Honeywell International
Honeywell International also holds 27 patent records, distinguishing itself from GE with a stronger emphasis on powder metallurgy forming processes: B22F 3 accounts for 17 classified records, matched equally by C22C 19 alloy composition (17 records), with C22C 1 (alloy preparation, 13 records) rounding out the top three. This process-forward portfolio positions Honeywell as the field’s leading specialist in powder consolidation and forming routes, complementary to GE’s application-layer strength.
Patent records: 27| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| General Electric Company | 2 | ▲ new entrant |
| Gaona Aero Material Co., Ltd. | 9 | ▲ new entrant |
| Central South University | 5 | ▲ new entrant |
| Safran SA | 1 | ▲ new entrant |
Under-served routes in turbine application, casting, and surface engineering
Several IPC branches adjacent to the dominant alloy and powder-process core are sparsely covered relative to their technical relevance, representing areas where a targeted filing strategy could establish defensible positions with less prior-art friction.
F01D · Turbines & non-positive displacement engines
This branch holds 41 patent records but represents only 7% of the total classified records in the corpus, making it comparatively sparse given that turbine blades and disks are the primary end-use of nickel superalloy powder metallurgy. The technical value is direct: powder-metallurgy-derived turbine components require specific design-for-manufacture claims that bridge alloy processing and component geometry. An entry path exists through additive-manufacturing routes (B33Y), where process–design integration claims can naturally span into F01D without conflicting heavily with legacy casting-era IP.
Search this in Eureka →C23C · Coating & surface deposition
Coating and surface deposition appears in only 10 patent records at a 2% share, despite the well-established importance of thermal barrier and oxidation-resistant coatings on powder-metallurgy superalloy substrates. The sparse coverage may reflect that coating IP has historically been developed separately from substrate IP, creating a potential gap at the interface of powder-metallurgy substrate preparation and coating adhesion or compatibility. Applicants with dual competence in alloy processing and coating technology — such as aerospace OEMs or specialty surface-engineering firms — are the most realistic entrants into this adjacent space.
Search this in Eureka →How leaders differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | C22C 19 · Alloys | C22C 1 · Alloys | C22F 1 · Non-ferrous metal treatment | B22F 3 · Powder metallurgy | B33Y 10 · Additive manufacturing (3D printing) |
|---|---|---|---|---|---|
| General Electric Company | Strong · 40 | Emerging · 6 | Moderate · 14 | Emerging · 4 | Emerging · 2 |
| Honeywell International Inc. | Strong · 17 | Strong · 13 | Moderate · 5 | Strong · 17 | Moderate · 4 |
| Gaona Aero Material Co., Ltd. | Strong · 17 | Strong · 15 | Moderate · 5 | Absent | Emerging · 3 |
| United Technologies Corporation | Strong · 11 | Strong · 7 | Strong · 10 | Strong · 12 | Absent |
| Aubert et Duval SA | Strong · 12 | Strong · 10 | Strong · 8 | Moderate · 3 | Moderate · 3 |
| Central South University | Strong · 10 | Strong · 9 | Absent | Strong · 9 | Strong · 7 |
| Safran SA | Strong · 9 | Strong · 5 | Moderate · 4 | Strong · 5 | Moderate · 3 |
Frequently asked questions
The analysis covers 115 patent families in nickel superalloy powder metallurgy, spanning major jurisdictions including the United States, Europe (EPO), China, Japan, and WIPO/PCT filings.
General Electric and Honeywell International are joint leaders with 27 patent records each among the top 100 ranked applicants. They are followed by Gaona Aero Material (17), United Technologies (16), and Aubert et Duval and Central South University (14 each).
The field is in the maturity stage. Annual filings have plateaued near their 2021 peak, and multi-year growth across the analysis window remains positive at approximately 8%. This indicates a stable, competitive field rather than one in early growth or decline.
The United States leads by patent records, followed by Europe (EPO) and China. Japan, WIPO (PCT), and Canada form a secondary protection tier. A minimum three-jurisdiction strategy covering the US, EPO, and China is appropriate for most applicants targeting international market access.
C22C (Alloys) and B22F (Powder metallurgy processes) dominate the technology mix, with B33Y (Additive manufacturing) emerging as a fast-growing adjacent branch. Comparatively sparse branches include F01D (turbine and engine applications), C23C (coatings and surface deposition), B22D (metal casting), and B23K (welding, soldering, and brazing) — all of which have plausible technical relevance but lower filing density.
The most active collaboration is between Aubert et Duval and Safran, with 4 joint records, reflecting a supplier–OEM relationship in the French aerospace sector. Central South University is the most active academic co-filer, collaborating with its own Shenzhen Research Institute, with CNNC Jianzhong Nuclear Fuel, and with AECC South Industry. Safran also co-files with ONERA, the French national aerospace research agency.
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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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