Fischer-Tropsch Process Intensification Patents: Leaders & Trends 2026
- Filings peaked in 2023 at 64 and have since flattened, with 2022's 61 filings as the midpoint — a maturing rather than accelerating field.
- B01J (catalysis) shows up in 309 of 494 families, far ahead of C01B (179) and C10G (151), showing catalyst-reactor integration dominates the claim space.
- The most-cited record is a carbon-utilization patent, not a reactor patent, at 206 citations — a reminder that citation counts here reward breadth of scope, not FT-specific novelty.
What this patent set covers
This landscape tracks 494 patent families published between 2015 and mid-2026 that combine Fischer-Tropsch synthesis with microchannel, compact-process or process-intensification claims. The search string ties classic FT chemistry to a specific engineering angle: making the reactor, separator or catalyst-activation train smaller, faster to build, or cheaper to operate than a conventional slurry-bed or fixed-bed train.
Filing activity concentrates in catalysis and reactor-engineering IPC subclasses rather than in pure hydrocarbon chemistry, which tells a reader where the actual novelty is being claimed: not in the FT reaction itself, but in how the reaction is packaged, scaled and integrated with gas purification, separation and downstream conversion.
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Filing trend and technology composition
Two views of the same 494-family dataset: how filing volume has moved year over year, and how those filings split across IPC subclasses.
A flattening curve after 2022–2023
Filings rose from 13 in 2017 to a peak of 64 in 2023, with 2022 at 61 marking the midpoint of that climb. Since the peak, volume has not grown further — the most recent full year sits below peak, and 2026 (partial) shows only 2 filings so far. Given the roughly 18-month lag between filing and publication, the true 2025–2026 picture will fill in further, but the plateau after 2022 looks structural rather than a reporting artifact.
Catalysis and refining subclasses dominate
B01J (chemical/physical processes and catalysis) appears in 309 of 494 families — well over half — followed by C01B (non-metallic elements and inorganic compounds) at 179 and C10G (hydrocarbon oils and refining) at 151. Separation processes (B01D, 91) and fuel-gas purification (C10K, 41) trail but are present, showing intensification claims routinely bundle reactor, purification and separation elements rather than filing them as standalone inventions. The presence of H01M (fuel cells, 41) and C25B (electrolytic production, 32) signals crossover filing from power-to-liquid and electrolysis-linked FT routes.
Shares are the percentage of the 494 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Fischer-Tropsch Synthesis Process Intensification with Eureka
This page is one run against one query. Ask Eureka your own question about fischer-tropsch synthesis process intensification and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative filing and most-cited prior art
Fischer-Tropsch and oxygenate synthesis catalyst activation/regeneration process and apparatus
Processes for activating and/or regenerating Fischer-Tropsch and/or oxygenate synthesis catalysts include the transportation of a modular, portable catalyst activation and/or regeneration unit to Fischer-Tropsch and/or oxygenate production units. An alternative process activates and/or regenerates the catalyst in a production unit at a catalyst treatment facility, or in a synthesis reactor at a catalyst treatment facility.Filed as WO2009108242A1 by Leviness, Stephen C. — an early example of treating catalyst activation as a modular, transportable service rather than a fixed in-plant step.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20170341942A1 | Methods and systems for large scale carbon dioxide utilization from lake KIVU via a co2 industrial utilizatio… | 206 |
| 2 | US6666909B1 | Microsystem capillary separations | 170 |
| 3 | US20020144600A1 | Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices … | 91 |
| 4 | US20070085227A1 | Multi-phase contacting process using microchannel technology | 75 |
| 5 | US20040229752A1 | Oxidation process using microchannel technology and novel catalyst useful in same | 71 |
| 6 | US6875247B2 | Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices … | 65 |
| 7 | WO2004103549A2 | Oxidation process using microchannel technology and novel catalyst useful in same | 56 |
| 8 | US20110200520A1 | Calcium looping process for high purity hydrogen production integrated with capture of carbon dioxide, sulfur… | 45 |
| 9 | US20100174124A1 | Process and apparatus employing microchannel process technology | 45 |
| 10 | WO2012146903A1 | Fischer-tropsch process in a radial reactor | 42 |
Citation counts favour older filings within any searched corpus; treat this table 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 numbers mean for a filing decision
Three patterns in this dataset matter more to a filing strategy than the raw counts do on their own.
The intensification wave has crested
Volume climbed steadily from 13 filings in 2017 to a peak of 64 in 2023, then held flat with 2022 already at 61. That plateau, combined with the usual 18-month publication lag, suggests the field has moved from an open land-grab to defending established positions rather than staking new ones.
Catalysis claims anchor the field
B01J appears in well over half of all families, more than C01B and C10G combined would suggest if filings were evenly spread. Reactor and catalyst-integration claims are the load-bearing IP here; separation (B01D) and gas purification (C10K) are secondary but consistently bundled in.
Filing is US- and PCT-anchored
The United States accounts for 148 records and WIPO/PCT filings for 80 more, together outweighing Europe (61), Canada (44), Australia (41) and India (17). A strategy built only around European or Indian filings would miss most of the competitive activity in this space.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to fischer-tropsch synthesis process intensification, with the prior art for and against each one.
Who is filing, and where momentum has stalled
Recent-year filing counts across the tracked assignees show almost no fresh activity in the most recent year, which is consistent with the 2023 peak and subsequent plateau in the overall trend.
Only one assignee still filing at pace
Among the tracked assignees, only one shows any filings in the most recent year, and even that is a modest two. The remainder — including established names in modular reactor and catalyst technology — show zero filings in the same window, several down sharply from prior years.
A small, dense collaboration core
Ten co-assignee pairs appear in the dataset, with the strongest links repeatedly pairing one compact-reactor specialist with named individual inventors across several filings. That pattern points to a stable core team rather than a wide web of shifting partnerships.
Plasma-based routes have gone quiet
At least one assignee working on plasma-assisted approaches shows a full year-over-year drop to zero filings, a sharper decline than the general plateau elsewhere in the dataset. Whether that reflects a pivot, an acquisition, or a technical dead end is not visible from filing counts alone.
| Assignee | Recent year | YoY |
|---|---|---|
| Johnson Matthey Davy Technologies | 2 | — |
| Battelle Memorial Institute | 0 | — |
| M2X Energy, Inc. | 0 | — |
| Velocys, Inc. | 0 | — |
| Fusion Plasma Corp. | 0 | -100% |
| University of Newcastle | 0 | — |
| TotalEnergies Linked Technologies | 0 | — |
| CompactGTL Limited | 0 | — |
Where to take this analysis
The dataset points to a field with occupied core claims and several thinner adjacent branches. Two directions are worth pursuing before committing to a filing or freedom-to-operate position.
Map the catalyst-activation cluster in detail
The representative record and its neighbours treat catalyst activation and regeneration as a modular, transportable service. Given how much of the dataset sits in B01J, a closer read of this specific sub-cluster is likely to surface the claims that actually constrain new reactor designs.
Explore this cluster in EurekaCheck the under-claimed branches against your own process route
Microchannel multi-phase contacting for tail gas and electrolysis-integrated feed conditioning both show thinner direct coverage than the core catalysis claims. If either overlaps your planned process, a targeted search before drafting is worth the time.
Run a targeted search in EurekaCommon questions about this patent set
In this dataset it means filings that combine core Fischer-Tropsch synthesis chemistry with claims aimed at shrinking, speeding up, or simplifying the process train — microchannel reactors, compact separators, or modular catalyst activation units, for example. The search deliberately excludes generic FT chemistry filings that make no intensification claim. That is why the IPC composition skews toward B01J (catalysis) and B01D (separation) rather than pure hydrocarbon chemistry classes alone.
Filings rose steadily from 13 in 2017 to a peak of 64 in 2023, with 2022 already at 61 — a fast climb followed by a plateau rather than continued growth. That pattern is typical of a field where the core claim space has been staked out and later filers are defending or extending existing positions rather than opening new ground. Because publication lags filing by roughly 18 months, the apparent drop in 2025–2026 filings is partly a reporting artifact, but the plateau starting in 2022–2023 predates that lag window and looks real.
The assignee ranking (rendered separately on this page) shows filing concentrated among a small group of specialists in modular and compact reactor technology, alongside major oil and gas and national-lab-linked filers. Recent-year momentum data shows most of these assignees have gone quiet in the latest tracked year, with only one showing continued filing activity. This suggests the leading names established their positions earlier in the 2015–2023 window rather than in the most recent years.
Relative to the dense coverage in catalyst-reactor integration (B01J) and hydrocarbon refining (C10G), branches such as microchannel multi-phase contacting for FT tail gas, electrolysis-integrated feed conditioning, and compact water co-product separation show thinner direct claim coverage. That does not guarantee those areas are free to file — it means fewer directly on-point patents were found in this specific search, so a freedom-to-operate check is still warranted before relying on it.
The most-cited record in this set is a broad carbon-utilization patent, not a Fischer-Tropsch-specific reactor patent, which illustrates a general limitation: citation counts inside any searched corpus tend to reward older, broadly-scoped filings rather than the technically closest prior art. Use the citation table to identify influential background patents, not to rank which inventions matter most to current FT intensification work.
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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.