Subsea Processing Module Patents: Leaders & Trends 2026
Filing growth compares 2021 (57 records) with 2024 (14) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 920 records in scope (CR5), not by the ranked leaders only.
What the subsea processing module dataset covers
Subsea processing modules sit at the point where a well stream first gets separated, boosted, or conditioned before it reaches a host platform or shore. The 920 records in scope span 2015 through the 2026 cut-off and cluster heavily around drilling and well-related infrastructure, with smaller but persistent claim activity in marine vessel integration, geophysical surveying, and data processing. Filing rose to a peak in 2021 and has declined since, though publication lag means the last one to two years understate current activity.
Representative filings such as GB2553505A show the field moving from purely mechanical separation and boosting hardware toward data architecture — reformatting monitoring data from subsea electronic modules into a common format for a centralized data bus. That shift toward digital control and monitoring layered on top of established separation and boosting hardware is one of the clearer structural signals in the record set.
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Filing trend and technology composition
The two views below pull from the same 920-record set: one tracks filings by year, the other breaks the corpus down by IPC subclass. Because a single record can carry more than one classification, the subclass shares add up to more than 100% of records — that is expected and does not indicate double counting of families.
A 2021 peak followed by a measured decline
Filings ran at 54 in 2017, climbed to a peak of 57 in 2021, and had fallen to 14 by 2024 — a 75% drop over that three-year span. 2025 and 2026 figures are still filling in under the roughly 18-month publication lag and should not be read as evidence of a continued slide.
Drilling infrastructure dominates the classification mix
E21B (earth and rock drilling) alone touches 60.5% of the 920 records in scope, dwarfing marine vessels (B63B, 8.5%), geophysics (G01V, 5.1%), material analysis (G01N, 4.8%), sonar and positioning (G01S, 4.5%), separation processes (B01D, 3.7%), image processing (G06T, 3.7%) and digital data processing (G06F, 3.6%).
Shares are the percentage of the 920 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Subsea Production Systems: Subsea Processing Module Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about subsea production systems: subsea processing module patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaA representative filing and the most-cited prior art
GB2553505A — Processing data from a subsea oil and gas production system (Aker Solutions, 2018-03-14)
The apparatus receives, via a Subsea Electronic Module, an inventory from a connected Condition Performance Monitoring apparatus specifying an operational configuration, reformats the monitoring data into a universal data format, and transmits it to a centralized data bus.Abstract condensed from the original filing for length.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US6197095B1 | Subsea multiphase fluid separating system and method | 143 |
| 2 | WO2000047864A1 | Subsea completion apparatus | 115 |
| 3 | US4098333A | Marine production riser system | 97 |
| 4 | US20070271077A1 | Optimizing Well System Models | 84 |
| 5 | US20110202278A1 | Multi-function broadband phased-array software defined sonar system and method | 83 |
| 6 | WO2004003339A1 | Subsea hydrocarbon production system | 77 |
| 7 | US20160231278A1 | System and method for inspecting subsea vertical pipeline | 73 |
| 8 | US7013978B2 | System and method for separating fluids | 73 |
| 9 | US20170046845A1 | 3D point clouds | 63 |
| 10 | US20160076926A1 | Method and Apparatus for Monitoring the Flow of Mixtures of Fluid in a Pipe | 61 |
Citation counts reward older filings that have had more time to accumulate citations inside this searched corpus — treat them as a signal of influence on later filers, not as a ranking of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the concentration and classification data mean for filing strategy
Three patterns in the data matter more than the raw counts: where ownership concentrates, where claim density sits, and where the trend line is heading once lag is accounted for.
Leadership is concentrated but not locked up
The ranked leader holds 51 records against a fifth-place figure of 28 and a tenth-place figure of 20 — a steep drop from first to fifth, then a much flatter slope through the rest of the ranked field. The top 10 combined account for 32.1% of all 920 records, meaning two-thirds of filing activity sits with the other 90 ranked companies plus unranked entrants.
Well and drilling infrastructure absorbs most claim space
E21B's share of 60.5% of the 920 records dwarfs every other subclass, which means most contested claim territory sits inside well and drilling-adjacent hardware rather than in marine vessels, sonar, or software layers. A filer targeting E21B-adjacent mechanical claims is working against the densest part of the corpus.
Activity has cooled from its 2021 high
Filings fell 75% from the 2021 peak of 57 to 14 in 2024, the last year the dataset treats as complete. That is a real retreat from the high point, not a data artefact — though 2025-26 figures are still being filled in by publication lag and should not be added to the trend yet.
US, EPO and UK carry the bulk of receiving-office activity
The United States leads receiving offices at 201 filings, followed by Europe (EPO) at 132 and the United Kingdom at 126, with WIPO/PCT at 105 and Australia at 77. The UK figure is notable for a subsea-focused field and likely reflects North Sea operator and supplier activity.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to subsea production systems: subsea processing module patent landscape, with the prior art for and against each one.
Where to take this analysis
The dataset points to specific next questions rather than a single conclusion. These are the ones worth running down before committing a filing strategy.
Map the tail beyond the top 10
With two-thirds of filing activity outside the top 10 combined share of 32.1%, the long tail of single- and low-filing entrants is where freedom-to-operate gaps are most likely to sit undocumented.
Explore the assignee rankingTrack the digital-control shift
GB2553505A and similar filings suggest separation and boosting hardware claims are being supplemented by data-architecture claims — worth watching as a second filing wave once monitoring standards mature.
Review representative filingsRevisit after 2025-26 data settles
Because publication lag leaves the most recent one to two years understated, any conclusion about the post-2021 decline should be rechecked once 2025 and 2026 filings finish publishing.
Run a fresh search in EurekaCommon questions about subsea processing module patents
The dataset's ranked assignee leader holds 51 records, well ahead of the fifth-ranked company at 28 and the tenth-ranked company at 20. The top 5 companies combined account for 19.9% of all 920 records in scope, and the top 10 combined account for 32.1%. That leaves the majority of filing activity spread across the remaining 90 companies in the 100-company ranking plus entities outside it, so no single company controls the field outright.
Filing peaked in 2021 at 57 records and fell 75% to 14 by 2024, the most recent year the dataset treats as complete. That is a genuine decline rather than noise, but figures for 2025 and 2026 are still incomplete because publication typically lags filing by around 18 months, so it is too early to call the current trajectory a continued slowdown.
Earth and rock drilling classification (IPC subclass E21B) touches 60.5% of the 920 records in scope, far ahead of any other category. Marine vessels (B63B) sit at 8.5%, geophysical surveying (G01V) at 5.1%, and material analysis, sonar/positioning, separation processes, image processing and digital data processing each sit in the 3.6%-4.8% range. Because records can carry multiple classifications, these figures overlap rather than sum to 100%.
The classification data shows filing concentrated heavily in drilling-related infrastructure (E21B), with comparatively thin coverage in separation processes (B01D, 3.7%) and digital data processing (G06F, 3.6%) relative to the size of the field. Combined with a long tail below the top 10 assignees, this suggests under-claimed territory in the data and control-software layer around subsea modules rather than in the mechanical hardware itself, where claim density is already high.
GB2553505A, filed by Aker Solutions and published 2018-03-14, covers apparatus that receives an inventory from a Condition Performance Monitoring device via a Subsea Electronic Module, reformats the monitoring data into a universal data format, and transmits it to a centralized data bus. It matters because it represents an early move toward standardising subsea monitoring data architecture rather than claiming mechanical separation or boosting hardware, marking a distinct claim layer that later filers in the digital-control space need to navigate around.
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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.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.