DED Part Reliability Patent Landscape 2026
Norsk Titanium leads a concentrated but still-expanding field, holding the largest single share of the top-ranked filers in directed energy deposition part reliability. Activity is growing on a multi-year basis, though annual volume has eased from its 2023 peak and recent filings remain understated by publication lag.
Norsk Titanium anchors a concentrated leader tier
Norsk Titanium AS sits atop the applicant ranking with 11 patent families, more than double the 5 patent families each held by RTX Corp and BAE Systems. The top five filers together account for 53% of the combined output of the hundred largest filers, signaling a concentrated competitive structure.
A clear two-tier gap exists: the leader holds 11 patent families while the second and third ranks each hold 5, and several aerospace and industrial players cluster at 3 patent families each. Below that, the field broadens into single-family entrants spanning academia, defence, and energy sectors.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Norsk Titanium AS | 11 | |
| 2 | RTX Corp | 5 | |
| 3 | BAE Systems PLC | 5 | |
| 4 | GE Avio SRL | 3 | |
| 5 | GKN Aerospace Sweden AB | 3 | |
| 6 | Dana-Farber Cancer Institute Inc | 3 | |
| 7 | AB SKF | 3 | |
| 8 | Siemens AG | 2 | |
| 9 | Dong-A University Industry-Academic Cooperation Foundation | 2 | |
| 10 | Tohoku University | 1 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Indian Institute of Technology Guwahati | 1 | |
| 12 | Divergent Technologies Inc | 1 | |
| 13 | Jiangsu Puteirui Precision Machinery Co Ltd | 1 | |
| 14 | Changshu Institute of Technology | 1 | |
| 15 | Korea Institute of Industrial Technology | 1 | |
| 16 | Electric Power Research Institute Inc | 1 | |
| 17 | KUNMING UNIV OF SCI & TECH | 1 | |
| 18 | Board of Regents, The University of Texas System | 1 | |
| 19 | Tohoku Steel Co Ltd | 1 | |
| 20 | LA JOLLA INST FOR ALLERGY & IMMUNOLOGY | 1 |
Norsk Titanium’s commanding position in powder metallurgy and additive manufacturing IPC classes suggests it has built the most defensible position around the core DED process stack. Challengers such as RTX Corp and GKN Aerospace Sweden focus on adjacent metalworking and welding routes, offering differentiated rather than directly overlapping coverage.
Filing activity in 2025–2026 is likely understated due to standard patent publication lag; trends for those years should be read with caution. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Multi-year growth, powder-metallurgy core, and emerging adjacent classes
Two lenses reveal how this field is developing: a filing trend that tracks annual activity since 2017, and a technology-composition breakdown across IPC classes that shows where patenting effort is concentrated versus sparse.
Annual filing trend
Filing activity was negligible through 2018, rose sharply from 2019, and peaked in 2023 at 8 patent families before a moderate easing. The apparent low in 2026 reflects publication lag rather than a real decline. On a multi-year basis the field is in growth, with a 20% expansion in the recent window versus the prior period.
↗ Hover for values · click a bar to ask EurekaTechnology composition
Powder metallurgy (B22F) and additive manufacturing (B33Y) dominate the IPC mix, reflecting the process-level focus of most filers. Welding and brazing (B23K) forms a meaningful secondary cluster. Lower-density classes — turbines (F01D), metalworking (B23P), material testing (G01N), and control systems (G05B) — represent adjacent branches with sparser coverage that may warrant closer inspection.
↗ 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.
Engineered residual stress state for enhanced perf…
An aerospace part, which is made from a base material, is inspected to identify a worn or defective repair region that requires repair. A repair procedure is performed on the repair region using a directed energy deposition (DED) energy/powder head. The repair procedure includes depositing, using the DED energy/powder head, a first layer of DED powder… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | MUC1, caspase-8,and DED-containing proteins | 15 |
| 2 | Structural simulation of additively manufactured c… | 12 |
| 3 | Distortion mitigation in directed energy deposition | 9 |
| 4 | Distortion mitigation in directed energy deposition | 4 |
| 5 | 一种多通道激光DED成形轨迹优化方法 | 2 |
| 6 | Apparatus for multi-scale directed energy depositi… | 2 |
| 7 | Structural simulation of additively manufactured c… | 2 |
| 8 | Distortion mitigation in directed energy deposition | 2 |
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 strategy
The combination of a concentrated leader tier, a growth-stage lifecycle, sparse adjacent branches, and a US-centric filing footprint shapes the strategic options available to new and existing entrants.
Growth stage — expanding multi-year, eased from 2023 peak
The field is classified as Growth, with the recent three-year filing window sitting well above the prior three-year period, representing a 20% uplift. Annual volume has eased from its 2023 peak, and the most recent years are further understated by publication lag. This profile suggests the core IP landscape is still being formed, leaving room for new claims in process reliability and quality assurance.
Growth stageTop five filers hold majority share among the largest applicants
The top five filers account for 53% of the combined output of the hundred largest filers, indicating a concentrated competitive structure dominated by aerospace and advanced-manufacturing specialists. A long tail of single-family entrants — including universities and government institutes — shows the field attracts broad exploratory interest but that sustained portfolio-building is rare below the top tier. New entrants with focused multi-family strategies can still establish meaningful positions.
ConcentratedNo co-applicant activity detected in current evidence
The collaboration dataset contains no recorded co-applicant filings within this corpus, meaning that DED part reliability patenting appears to be conducted largely within single-organization boundaries. This may reflect the early-stage competitive sensitivity of the field or the proprietary nature of process-reliability know-how. Cross-sector consortia or university–industry partnerships could represent an open strategic avenue.
Evidence pendingUS dominates filings; Europe and PCT provide secondary coverage
The United States leads jurisdictional coverage with 21 patent records, followed by Europe via the EPO with 8 and WIPO PCT with 7. China holds 5 records, while Australia, Canada, and India each hold 2. This distribution reflects the aerospace and defence industry’s preference for US and European protection, with limited but present Asian coverage. Filers seeking to contest Chinese markets may find current coverage thin relative to the sector’s global manufacturing footprint.
US-centricGo 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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Norsk Titanium leads; aerospace challengers cover adjacent process routes
The leader tier is anchored by a specialist additive-manufacturing firm, with aerospace primes occupying the challenger positions through distinct technical routes. All tracked momentum leaders are classified as new entrants, suggesting recent intensification across the field.
Norsk Titanium AS
Norsk Titanium AS holds 11 patent families — the largest position in the ranking — concentrated across powder metallurgy (B22F) and additive manufacturing (B33Y), covering both the process and equipment layers of DED. Its momentum trend is classified as a new entrant in the recent window, indicating continued active filing despite an already-large base.
families: 11RTX Corp
RTX Corp holds 5 patent families, concentrated in powder metallurgy subclasses B22F 10, B22F 5, and B22F 7, emphasizing feedstock and component-level reliability. Also classified as a new entrant in the recent window, RTX’s aerospace prime status gives it strong application pull for DED-qualified structural parts.
families: 5| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Norsk Titanium AS | 3 | ▲ new entrant |
| RTX Corp | 2 | ▲ new entrant |
| GE Avio SRL | 2 | ▲ new entrant |
| AB SKF | 1 | ▲ new entrant |
| GKN Aerospace Sweden AB | 2 | ▲ new entrant |
| Korea Institute of Industrial Technology | 1 | ▲ new entrant |
Under-served branches adjacent to the DED reliability core
Several IPC classes sit at the edge of the dominant powder-metallurgy and additive-manufacturing cluster with low filing density. These represent observations of relative sparsity; where technical rationale and entry paths are plausible, they are flagged as worth watching.
G01N · Material analysis & testing
With only 5 patent records, in-process and post-process material testing for DED parts remains a sparse area relative to the process-side core. Given that part qualification and non-destructive evaluation are critical bottlenecks in aerospace DED adoption, this branch has plausible technical value. Entrants with sensing, metrology, or NDT expertise could file in this gap and differentiate from the process-layer incumbents.
Search this in Eureka →G05B · Control & regulating systems
Control and feedback systems for DED processes show only 4 patent records, despite closed-loop process control being a key lever for improving layer-by-layer reliability and reducing defects. The sparse coverage here, combined with growing industry interest in real-time monitoring, makes this an adjacent branch where automation and control specialists could establish early positions without directly contesting the powder-metallurgy incumbents.
Search this in Eureka →How leaders differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | B22F 10 · Powder metallurgy | B33Y 10 · Additive manufacturing (3D printing) | B33Y 30 · Additive manufacturing (3D printing) | B22F 12 · Powder metallurgy | B23K 26 · Welding, soldering & brazing |
|---|---|---|---|---|---|
| Norsk Titanium AS | Strong · 11 | Strong · 11 | Strong · 11 | Strong · 7 | Strong · 9 |
| GE Avio SRL | Strong · 3 | Strong · 3 | Strong · 3 | Strong · 3 | Strong · 2 |
| BAE Systems PLC | Strong · 5 | Strong · 4 | Strong · 4 | Absent | Absent |
| RTX Corp | Strong · 5 | Moderate · 2 | Absent | Strong · 3 | Strong · 3 |
| Siemens AG | Strong · 2 | Strong · 2 | Strong · 2 | Strong · 2 | Strong · 2 |
| AB SKF | Strong · 3 | Strong · 2 | Absent | Absent | Moderate · 1 |
| Dong-A University Industry-Academic Cooperation Foundation | Strong · 2 | Strong · 2 | Absent | Absent | Absent |
Frequently asked questions
The current corpus covers 45 patent families in scope, spanning filings from 2017 through 2026 across global jurisdictions. The United States is the lead filing office with 21 patent records.
Norsk Titanium AS leads with 11 patent families, more than double the next-ranked applicants RTX Corp and BAE Systems, each holding 5 patent families. The top five filers account for 53% of the combined output of the hundred largest filers.
The field is classified as Growth. The recent three-year filing window sits well above the prior three-year period, representing a 20% uplift. Annual volume has eased from its 2023 peak, and 2024–2026 filings are further understated by standard publication lag.
Powder metallurgy (B22F) and additive manufacturing (B33Y) are the dominant classes, followed by welding and brazing (B23K). Sparser adjacent classes include turbine applications (F01D), material testing (G01N), and control systems (G05B).
The United States leads with 21 patent records, followed by Europe via the EPO with 8 and WIPO PCT with 7. China holds 5 records. Australia, Canada, and India each hold 2 records, with South Korea and Singapore each at 1.
The current evidence contains no recorded co-applicant filings within this corpus, suggesting that DED part reliability patenting is conducted predominantly within single-organization boundaries. Cross-sector or university–industry co-filing activity, if it exists, is not captured in the current dataset.
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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.
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