Lubricants & Functional Fluids Patents: Who Leads, Where Gaps Are 2026
- Concentrated at the top. The five leading assignees together hold 491 of 948 records in scope (51.8%), and the leader alone accounts for 243 — more than the next four combined.
- Filings have cooled from their 2018 peak. Publications ran at 82 in 2018 and dropped from 23 in 2021 to 5 in 2024, a -78% swing over that span; 2025-2026 figures are still filling in under normal publication lag.
- C10M dominates, but fermentation routes are a real minority. 62.6% of records sit in core lubricant formulation (C10M), while 9.8% touch fermentation and enzymatic synthesis (C12P) — a biobased route with a smaller but distinct footprint.
Filing growth compares 2021 (23 records) with 2024 (5) — 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 948 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This landscape tracks 948 patent families published between 2015 and 2026 that combine lubricant or functional-fluid subject matter with claims tied to molecular formula, additive concentration, product purity, chemical stability, feedstock, or reaction conditions. That pairing narrows the corpus to filings where formulation chemistry, not just end-use, is the inventive core — separating base-oil and additive-package chemistry from broader industrial lubricant applications.
The scope spans conventional petroleum-derived lubricant additive chemistry (C10M, C10N) alongside a smaller but persistent thread of biobased and fermentation-derived routes (C12P, C12N), plus organo-metallic additive chemistry (C07F) and acyclic compound synthesis (C07C). Receiving-office data shows the United States and Europe as the primary filing venues, with WIPO PCT filings and secondary offices in Singapore, Canada and Australia rounding out the picture.
Filing trends and technology composition
Two views of the same 948 records: how filing activity has moved year over year, and which IPC subclasses carry the claim density.
Filing trend, 2017-2026
Publications rose to a peak of 82 in 2018, then declined through the early 2020s — 23 in 2021 falling to 5 in 2024, a -78% change over that three-year window. 2025 and 2026 figures (down to 4) reflect the roughly 18-month gap between filing and publication rather than a real drop in filing activity; treat the most recent two years as incomplete.
Technology composition by IPC subclass
C10M (Lubricants) covers 62.6% of the 948 records, with C10N (lubricant property indexing) at 22.2% typically layered on top of it. Smaller but distinct clusters sit in C09K materials (12.6%), C12P fermentation synthesis (9.8%), C07C acyclic compounds (9.3%), C10L fuels (9.3%), C07F organo-metallic chemistry (6.4%) and C12N microorganism engineering (5.5%). Because records carry multiple classes, these shares sum to well over 100% of the record total.
Shares are the percentage of the 948 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Lubricants & Functional Fluids Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about lubricants & functional fluids patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative filing and most-cited prior art
NZ236238A — Functional fluids
Filed by Albright & Wilson UK Limited and published 1993-03-26, this record describes a functional fluid — a drilling mud, heat transfer fluid, cutting fluid or lubricant — built on an aqueous structural surfactant, optionally carrying dissolved additives such as corrosion inhibitors, suspended solid heat-storage particles, or wear-inhibiting and lubricity-promoting agents. The stated advantage over mineral-oil-based fluids is environmental acceptability and reduced fire hazard while retaining comparable or superior chemical stability and physical properties.Priority date sits well outside the current filing window, making this a foundational reference rather than an active-enforcement risk on its own — but its claim structure recurs across later aqueous functional-fluid filings.
View full record| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5877278A | Synthesis of N-substituted oligomers | 268 |
| 2 | WO2011150411A1 | Food compositions comprising tailored oils | 165 |
| 3 | US20150373831A1 | Stretchable electronic systems with containment chambers | 131 |
| 4 | US3211652A | Phenolic compositions | 131 |
| 5 | WO2013158938A1 | Tailored oils | 110 |
| 6 | US5807810A | Functional fluids and liquid cleaning compositions and suspending media | 103 |
| 7 | US20110293785A1 | Food compositions comprising tailored oils | 100 |
| 8 | US20070298990A1 | High viscosity metallocene catalyst pao novel base stock lubricant blends | 97 |
| 9 | US7622431B2 | Lubricating oil compositions | 89 |
| 10 | US5964692A | Functional fluids and liquid cleaning compositions and suspending media | 85 |
Citation counts favour older filings simply because they have had more time to accumulate citations inside this corpus — read them as a signal of influence on the field, not as a ranking of current technical importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Read together, the concentration, trend and IPC data point to a field where the additive-package claim space is largely staked out and the biobased branch is where newer entrants have room.
The leader sets the ceiling
The top assignee holds 243 records on its own, more than four times the fifth-place holder's 45. New entrants filing conventional additive-package claims in C10M are filing into territory the leader has already covered densely; differentiation has to come from a specific chemistry, not a broad formulation claim.
Activity has cooled from its 2018 peak
The filing count fell from 23 in 2021 to 5 in 2024. That is a real slowdown in a corpus this size, though the 2025-2026 figures are still incomplete under normal publication lag and should not be read as continuing the decline.
Biobased routes are a minority but persistent
Fermentation and enzymatic synthesis (C12P) and microorganism engineering (C12N, 5.5%) sit well below core lubricant formulation (C10M, 62.6%), but they recur consistently across the filing window rather than appearing as a one-off spike, suggesting an established if smaller technical community.
Collaboration is limited and internal
Only 10 co-assignee pairs appear across the dataset, and the strongest pairings link a single corporate group's own subsidiaries rather than cross-company joint filings. Cross-organisation collaboration is not a visible pattern in this field.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to lubricants & functional fluids patent landscape, with the prior art for and against each one.
Who is filing, and where the field is still open
A single leader, a mid-tier of established chemical majors, and a long tail of single- or few-filing entrants make up the ranked field. Momentum among the named leaders has flattened in the most recent complete year.
One assignee well ahead of the field
The leading assignee's 243 records outnumber the combined total of the next several names on the list. That density is concentrated in core additive and base-oil formulation claims rather than spread evenly across every IPC subclass.
A steep drop after the top few
Fifth place holds 45 records and tenth place holds 19 — a sharp fall-off from the leader's 243. This shape is typical of a field with one dominant incumbent and a group of chemical majors filing at a steady but much lower rate.
Recent activity has gone quiet among the named leaders
Every one of the leading assignees shows zero filings in the latest year of data. Given the roughly 18-month publication lag, this reads as reporting delay rather than an actual halt in R&D — but it means recent competitive activity is not yet visible in the public record.
| Assignee | Recent year | YoY |
|---|---|---|
| ExxonMobil Technology and Engineering Company | 0 | — |
| Chevron USA Inc | 0 | — |
| ExxonMobil Chemical Patents Inc | 0 | — |
| Solazyme Inc | 0 | — |
| Chevron Oronite Co LLC | 0 | — |
| Total Marketing Services SA | 0 | — |
| Monsanto Co | 0 | — |
| Corbion Biotech Inc | 0 | — |
Where to take this next
The landscape points to specific next steps depending on whether the goal is freedom-to-operate, sourcing a licensing target, or scoping a new filing.
Check freedom-to-operate against the leader's portfolio
With 243 records concentrated in one assignee's name, any new additive-package or base-oil formulation filing should be checked against that portfolio specifically, not just the field average.
Run a freedom-to-operate check in EurekaScope a claim in an under-claimed branch
Fermentation-derived base stocks and organo-metallic friction modifiers show lower filing density than core C10M claims, which is where a narrower, well-drafted first claim has more room to stand.
Explore white space in EurekaWatch for the publication-lag catch-up
Because 2025-2026 filings are still publishing, the true recent-year picture for the leading assignees will only become clear over the next 12-18 months.
Track new filings in EurekaCommon questions about this landscape
The assignee ranking for this dataset is led by one company holding 243 of the 948 records in scope, well ahead of the fifth-place holder at 45 and tenth place at 19. The top five assignees combined account for 51.8% of all records, and the top ten reach 65.6%. This is a concentrated field: a small number of established chemical companies hold the bulk of the formulation and additive claims, while the remainder of the ranked 100 companies each hold a much smaller share.
Filings peaked in 2018 at 82 publications and have declined since, falling from 23 in 2021 to 5 in 2024 — a -78% change over that three-year span. The 2025 and 2026 figures are lower still, but that reflects the roughly 18-month lag between filing and publication rather than a genuine collapse in R&D activity. The safest reading is that activity has cooled from its 2018 peak through 2024, with the most recent two years still incomplete.
Core lubricant formulation, classified under IPC C10M, appears in 62.6% of the 948 records, making it by far the largest single category. Lubricant property indexing (C10N) follows at 22.2%, often layered onto C10M filings rather than standing alone. Smaller but distinct clusters cover materials for miscellaneous applications (C09K, 12.6%), fermentation and enzymatic synthesis (C12P, 9.8%), and organo-metallic chemistry (C07F, 6.4%), since a single record can carry more than one classification.
The technology composition data shows lower filing density in fermentation-derived base stocks (C12P, 9.8% of records) and microorganism engineering (C12N, 5.5%) compared to core petroleum-based formulation claims. Organo-metallic friction-modifier chemistry (C07F, 6.4%) is similarly less crowded. These branches are not unclaimed, but they carry meaningfully less claim density than the dominant C10M category, which is where a narrowly drafted first claim has more room to establish a position.
NZ236238A, filed by Albright & Wilson UK Limited and published in 1993, describes an aqueous structural surfactant-based functional fluid for uses such as drilling muds, heat transfer fluids and lubricants. Its priority date is decades outside the current filing window tracked in this dataset, so it functions as prior art and a foundational reference rather than an active enforcement risk. New filings should still check their claims against its aqueous surfactant approach, since similar claim structures recur in later functional-fluid filings in this corpus.
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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.