Autonomous Underwater Vehicles (AUV/ROV) Patent Landscape
The AUV/ROV patent field is moderately concentrated, with Subsea 7 leading a mixed field of offshore energy firms, defence primes, and Chinese research institutions. Filing volume has plateaued near its 2017 peak, signalling a maturing technology base where incremental differentiation and adjacent-branch entry now matter more than raw filing volume.
Subsea 7 leads a fragmented but consolidating field
Subsea 7 holds the top position with 66 patent families, ahead of Harbin Engineering University (51) and the Shenyang Institute of Automation, Chinese Academy of Sciences (45). The top five filers together account for 22% of the hundred largest filers’ combined total, indicating moderate rather than extreme concentration.
A clear two-tier structure is visible: a small group of offshore-service and defence specialists (Subsea 7, PxGeo UK, Seabed Geosolutions, Atlas Elektronik, Kawasaki Heavy Industries) sit above a broader mid-tier of academic institutions and national labs—particularly from. China—each holding 13–38 patent families.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Subsea 7 Ltd | 66 | |
| 2 | Harbin Engineering University | 51 | |
| 3 | Shenyang Institute of Automation, Chinese Academy of Sciences | 45 | |
| 4 | PxGeo UK Ltd | 42 | |
| 5 | Seabed Geosolutions BV | 40 | |
| 6 | Atlas Elektronik GmbH | 38 | |
| 7 | Kawasaki Heavy Industries, Ltd. | 38 | |
| 8 | Saudi Arabian Oil Company | 36 | |
| 9 | Raytheon Company | 35 | |
| 10 | Zhejiang University | 30 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Oceaneering International, Inc. | 26 | |
| 12 | CGG Services SA | 24 | |
| 13 | Autonomous Robotics Ltd | 23 | |
| 14 | H2Eye International | 20 | |
| 15 | Kongsberg Maritime AS | 19 | |
| 16 | Magseis Fairfield LLC | 18 | |
| 17 | Elta Systems Ltd | 17 | |
| 18 | China Ship Scientific Research Center | 13 | |
| 19 | BEIJING HUAHANG RADIO MEASUREMENT & RES INST | 13 | |
| 20 | KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY | 13 |
The leaders’ positions reflect distinct strategic emphases: Subsea 7 and the seismic-survey firms focus on vehicle deployment and naval vessel operations, while Chinese universities and research institutes lean toward launch-and-recovery and autonomous control systems. This divergence creates durable competitive moats within sub-segments rather than a single dominant player across the whole field.
Filing counts for 2024–2026 are under-counted due to standard publication lag; apparent softness in those years should not be interpreted as a reversal of long-run activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity has plateaued; naval and marine operations dominate the technology mix
The annual filing trend and IPC composition charts together show a field that reached its peak output around 2017 and has since stabilised, while the technology mix remains firmly anchored in naval vessel operations and marine deployment with meaningful secondary clusters in geophysics and control systems.
Annual filing trend
Filings peaked in 2017 at 158 patent families and have oscillated in the 107–153 range through 2023 before the expected publication-lag effect suppresses 2024–2026 counts. The plateau pattern is consistent with a mature technology base rather than a declining one; the 2025 and 2026 figures should be read as provisional.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B63G (naval vessels and offensive systems) is the dominant class at the patent-record level, followed by B63C (launching and salvaging vessels) and B63B (ships and marine vessels). Geophysics (G01V), autonomous control (G05D), and radar/sonar positioning (G01S) form a substantial secondary tier, reflecting AUV use in seismic survey and navigation. Lower-volume branches such as B25J (manipulators/robots), G06N (AI models), and H01M (batteries/fuel cells) indicate emerging but still sparse coverage in robotic manipulation, machine intelligence, and energy storage.
↗ 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.
Auftriebssteuerung in einem unbemannten Unterwasse…
An autonomous underwater vehicle is described comprising a body portion, a processing device and a propulsion device mounted within the body portion, and sensor mounted on or within in the body portion. The autonomous underwater vehicle includes buoyancy control means configured to enable adjustment of the position of the vehicle during operation. The… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Reconfigurable battery-operated vehicle system | 264 |
| 2 | Modular autonomous underwater vehicle system | 218 |
| 3 | Method and apparatus for deployment of ocean botto… | 187 |
| 4 | 一种海底电缆探测水下机器人及作业方法 | 131 |
| 5 | High power laser photo-conversion assemblies, appa… | 126 |
| 6 | Unmanned Underwater Vehicle | 125 |
| 7 | 一种水下机器人回收系统及其回收方法 | 109 |
| 8 | Underwater cable deployment system and method | 97 |
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 competitive structure means for R&D investment decisions
Four structural signals emerge from the data: the field’s life-cycle stage, the degree of concentration at the top, the collaboration networks that shape ecosystem dynamics, and the geographic jurisdictions where protection is being sought.
Plateau phase — innovation shifting toward differentiation
Annual filings have plateaued near the 2017 peak, placing the field in a maturity stage. New entrants face an established prior-art base, making freedom-to-operate analysis essential before committing R&D resources. Incremental system integration and application-specific AUV/ROV variants are more viable entry strategies than broad platform patents.
Lifecycle: MatureModerate concentration with a two-tier structure
The top five filers hold 22% of the hundred largest filers’ combined total — high enough that the leaders set the defensive perimeter, but low enough that mid-tier challengers retain room to manoeuvre. The gap between Subsea 7 (66 patent families) and the tenth-ranked applicant (26 families) is substantial, yet no single player dominates across all technology sub-classes. Targeted sub-field strategies can avoid direct confrontation with the leaders.
Concentration: ModerateAtlas Elektronik and Saudi Aramco are the most active co-filers
The most active co-filing pairs are Atlas Elektronik with ThyssenKrupp (3 joint families) and Atlas Elektronik with Fraunhofer Society (3 joint families), signalling a German defence-industrial cluster. Saudi Arabian Oil Company files jointly with Saudi Aramco Services Company (3 families), reflecting an integrated operator-service model. Harbin Engineering University has multiple co-filing relationships with its own affiliated research centres, extending its institutional reach.
Collaboration: ClusteredChina leads filings; US and Europe are the key validation markets
China is the lead filing office with 547 patent records, well ahead of the United States (424) and Europe via EPO (173). WIPO PCT filings (146) and a meaningful India presence (100) indicate applicants seeking broad international coverage. Norway (28), the United Kingdom (57), and Australia (66) reflect the offshore energy markets where AUV/ROV technology generates commercial value. Applicants targeting subsea energy or defence contracts should ensure coverage in Norway and Australia alongside the major offices.
Geography: China-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 |
|---|---|---|
| Atlas Elektronik GmbH | ThyssenKrupp AG | 3 |
| Atlas Elektronik GmbH | Fraunhofer Society | 3 |
| Saudi Arabian Oil Company (Saudi Aramco) | Saudi Aramco Services Company | 3 |
| Harbin Engineering University | Harbin Engineering University Sanya Nanhai Innovation Development Base | 2 |
| Harbin Engineering University | Harbin Engineering University Qingdao Innovation Development Centre | 1 |
| Harbin Engineering University | Shaanxi Yinhan Jiwu Engineering Construction Co., Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Subsea 7 leads on deployment systems; Harbin Engineering University anchors the academic tier
The two organisations with the largest portfolios represent opposite ends of the competitive spectrum: a global offshore-services contractor and a state-backed Chinese research university. Their technology emphases and momentum trajectories differ markedly.
Subsea 7
Subsea 7 holds 66 patent families — the largest portfolio in scope. Its filings concentrate heavily in B63G 8 (naval vessel operations, 57 records) and split evenly between B63B 27 (ship structures) and B63C 11 (launch and recovery, 16 records each), reflecting a full-system offshore-intervention strategy. Momentum data for Subsea 7 is not broken out separately in the evidence, but its scale and breadth position it as the primary defensive reference for any new entrant in subsea intervention.
families: 66Harbin Engineering University
Harbin Engineering University holds 51 patent families, the largest academic portfolio in the field. Its coverage spans B63G 8 (39 records), B63C 11 (27 records), and G05D 1 autonomous control (5 records). Recent momentum shows a 29% decline versus the prior three-year period, consistent with the field-wide plateau. Affiliated institutions — the Sanya Nanhai Innovation Development Base and the Qingdao Innovation Development Centre — extend its collaborative reach.
families: 51| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Harbin Engineering University | 10 | ▼ -29% |
| Shenyang Institute of Automation, Chinese Academy of Sciences | 11 | ▼ -27% |
| Kawasaki Heavy Industries, Ltd. | 8 | ▼ -60% |
| Atlas Elektronik GmbH | 1 | ▲ new entrant |
| Saudi Arabian Oil Company (Saudi Aramco) | 2 | ▼ -82% |
Under-served branches in control systems, geophysics, and propulsion
The whitespace analysis flags five IPC branches that are adjacent to the dominant naval-vessel core but carry materially lower filing density relative to their technical relevance to AUV/ROV systems. Three are highlighted here as warranting closer examination.
G05D · Autonomous control of non-electric variables
With 190 patent records against a dominant B63G base of over 1,300, autonomous mission-control and depth/heading regulation are under-protected relative to their operational importance. AUV autonomy is a recognised commercial differentiator for long-endurance survey and intervention missions. Firms with software and control-systems capability could enter via G05D 1 (position and heading control) without directly confronting the vehicle-structure incumbents. Harbin Engineering University (5 G05D records) is the only top-tier filer with a visible presence here, leaving room for challengers.
Search this in Eureka →G01V · Geophysics and gravity surveying
G01V carries 204 patent records, concentrated among seismic-survey specialists (Seabed Geosolutions BV: 41 records; CGG Services: heavy presence). Despite the commercial importance of AUV-borne seismic and bathymetric sensing, the class remains thin relative to the platform-level filings. Entrants with sensor-integration or data-processing expertise targeting offshore energy and ocean-science applications could find available claim space, particularly in processing pipelines and multi-sensor fusion that sit between G01V and G01S.
Search this in Eureka →How leaders differ by technology sub-class emphasis
Route coverage across the main technology branches in the current evidence set.
| Player | B63G 8 · Naval vessels & offensive | B63C 11 · Launching & salvaging vessels | G05D 1 · Control of non-electric variables | G01V 1 · Geophysics & gravity surveying | B63B 27 · Ships & marine vessels |
|---|---|---|---|---|---|
| Seabed Geosolutions BV | Strong · 47 | Absent | Absent | Strong · 41 | Moderate · 13 |
| Subsea 7 Ltd | Strong · 57 | Moderate · 16 | Absent | Absent | Moderate · 16 |
| CGG (Compagnie Générale de Géophysique) | Strong · 42 | Absent | Absent | Strong · 39 | Absent |
| Harbin Engineering University | Strong · 39 | Strong · 27 | Emerging · 5 | Absent | Absent |
| Shenyang Institute of Automation, Chinese Academy of Sciences | Strong · 25 | Strong · 29 | Absent | Absent | Absent |
| Atlas Elektronik GmbH | Strong · 37 | Absent | Absent | Absent | Emerging · 6 |
Frequently asked questions
The analysis covers 1,171 patent families in scope globally. Filing records across jurisdictions and IPC classes can exceed this figure because a single family may be filed in multiple offices and classified under multiple IPC codes.
Subsea 7 holds the largest portfolio with 66 patent families, followed by Harbin Engineering University (51) and the Shenyang Institute of Automation, Chinese Academy of Sciences (45).
The field is in a maturity stage. Annual filings plateaued near the 2017 peak and have oscillated in a roughly flat range since. This signals that the technology base is established and incremental differentiation — rather than foundational platform patents — is the dominant competitive dynamic.
China leads with 547 patent records, followed by the United States (424), Europe via EPO (173), WIPO PCT (146), and India (100). Australia (66), the United Kingdom (57), and Norway (28) are notable secondary markets, reflecting the offshore energy and defence end-markets where AUV/ROV technology is commercially deployed.
G05D (autonomous control of non-electric variables, 190 records) and G01V (geophysics and gravity surveying, 204 records) are the most noteworthy under-served branches relative to their operational importance in AUV/ROV systems. B63H (marine propulsion and steering, 241 records) and G01S (radar, sonar and positioning, 144 records) are also adjacent branches with lower filing density than the dominant B63G naval-vessel class.
The most active co-filing pairs are Atlas Elektronik with ThyssenKrupp (3 joint families), Atlas Elektronik with Fraunhofer Society (3 joint families), and Saudi Arabian Oil Company with Saudi Aramco Services Company (3 joint families). Harbin Engineering University also maintains multiple joint-filing relationships with its affiliated centres in Sanya and Qingdao.
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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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