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Run your analysis now →This landscape tracks patent families combining process intensification equipment terms — spinning disc reactors, rotating packed beds and high-gravity contactors — with mass-transfer, volume-reduction and scale-up language, filtered to IPC classes covering chemical/physical process apparatus, separation equipment and mixing hardware. The corpus totals 64 published families across a filing window from 2015 through the 2026 data cut-off, with publication naturally lagging the most recent filing activity by around eighteen months.
The technology mix is heavily weighted toward reaction apparatus claims, with separation and mixing equipment as secondary but still substantial categories, and a handful of adjacent classes — additive manufacturing, nanostructures, hydrocarbon refining — appearing only a few times each.
The dataset spans 64 published families across a search window from 2015 through the 2026 cut-off, filtered to rotating packed bed, spinning disc and related high-gravity process intensification equipment claims.
Filings sat at zero in 2017, stayed at zero through the 2022 midpoint, and peaked so far in 2024 at 10 records. There is no sustained upward trend visible in this window; the most recent year is also partial and will read low until publication catches up, since publication typically lags filing by around 18 months.
Chemical and physical process claims under B01J account for 46 of the records, roughly three-quarters of the corpus once overlaps are counted, with separation processes (B01D, 25) and mixing equipment (B01F, 11) as the next-heaviest classes. Adjacent classes — non-metallic inorganic compounds, hydrocarbon refining, nanostructures and additive manufacturing — each carry single-digit counts, marking them as thin rather than empty.
Shares are the percentage of the 64 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
This page is one run against one query. Ask Eureka your own question about process intensification equipment and every answer comes back with the patent numbers behind it.
Try EurekaThe present disclosure relates generally to methods and apparatus for large- or commercial-scale process intensification and, more particularly, to additive manufacturing processes for producing packing material and rotating packed bed apparatus utilizing the same.Filed by Mojonnier USA, LLC and published 2026-06-11, this record combines two thinly-claimed branches of the corpus — additive manufacturing and rotating packed bed hardware — into a single filing.


| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20090269250A1 | Apparatus and Methods For Nanoparticle Generation and Process Intensification of Transport and Reaction Syste… | 76 |
| 2 | US8187554B2 | Apparatus and methods for nanoparticle generation and process intensification of transport and reaction syste… | 60 |
| 3 | CN2654194Y | 强化传质的旋转床超重力机 | 33 |
| 4 | US20090238751A1 | Process Intensification In Microreactors | 25 |
| 5 | WO2016038480A1 | Rotating packed bed assembly | 23 |
| 6 | WO2015101826A1 | Rotating packed bed unit | 17 |
| 7 | US20170028311A1 | Rotating packed bed assembly | 15 |
| 8 | US20070034565A1 | Method for treating a contaminated fluid | 13 |
| 9 | CN106075950A | 一种双驱动超重力旋转填料床 | 12 |
| 10 | CN205759800U | 复合式多级旋转填料床传质反应装置 | 10 |
Ranked by citation count within this search; older records accumulate more citations by nature of being in circulation longer, so treat this as a measure of influence rather than current relevance.
Patent titles are shown in the language they were filed in, not translated, so that each record stays verifiable against the original filing — a translated title will not match in Eureka or in any national register. Each row carries its publication number; clicking a row searches Eureka by that number.
When you want the answer in the next five minutes.
The agent works the prompt against patents and technical literature, citing every source.
Run your analysis now →When it has to run inside your own pipeline.
Patent search, landscape analysis and assignee resolution as MCP tools. Drop them into any agent framework, or call REST directly.
Browse MCP servers →Three figures from this dataset matter more than the headline count: where the claim density actually sits, how the timeline behaves, and how tightly filers co-assign their portfolios.
Chemical and physical process apparatus (B01J19) accounts for the large majority of the corpus, with separation (B01D, 25) and mixing (B01F, 11) as secondary classes. New filers competing directly in B01J are entering the most contested part of the landscape.
Filings sat at zero in 2017 and remained at zero through the 2022 midpoint before reaching a peak of 10 records in 2024. Read the most recent year with caution: publication lags filing by roughly 18 months, so late-window counts are always understated.
The strongest co-assignee link in this corpus pairs two related Schlumberger entities filing together 7 times, with two further Schlumberger-linked pairs each at 3. This indicates a small number of corporate families coordinate filings rather than one company acting alone.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to process intensification equipment, with the prior art for and against each one.
| Assignee | Co-assignee | Shared families |
|---|---|---|
| Schlumberger Technology LLC | Schlumberger Limited | 7 |
| Schlumberger Technology LLC | Schlumberger Canada Limited | 3 |
| Schlumberger Technology LLC | Schlumberger Technology Corporation | 3 |
| Schlumberger Limited | Schlumberger Canada Limited | 3 |
| Schlumberger Limited | Schlumberger Technology Corporation | 3 |
| Schlumberger Technology Corporation | Schlumberger Canada Limited | 3 |
| Chevron U.S.A. Inc. | PARIMI KRISHNIAH | 2 |
| Chevron U.S.A. Inc. | LIM MANUEL | 2 |
Co-assignee activity in this corpus is dominated by a single related corporate family rather than cross-industry joint filings, worth checking before assuming any single legal entity holds a claim outright.
No single assignee dominates this corpus outright; instead, a related corporate family co-files repeatedly, alongside independent filers spread across a long tail. Recent-year momentum across the named assignees sits at zero, consistent with the corpus's flat overall trend rather than a specific competitor pulling back.
A cluster of Schlumberger-linked entities files together repeatedly across this corpus, with the strongest pair co-assigning 7 times and two further related pairs each at 3. Freedom-to-operate work here should treat the cluster as one effective filer.
Beyond the Schlumberger cluster, assignees such as Hindustan Petroleum and Microfluidics International appear as individual filers rather than as part of a coordinated portfolio, each showing zero momentum in the latest tracked year.
Mojonnier USA, LLC's WO2026122960A1 shows a filer with no other record in this corpus moving directly into the thin additive-manufacturing-plus-rotating-packed-bed intersection, ahead of the broader field.
| Assignee | Recent year | YoY |
|---|---|---|
| Hindustan Petroleum Corporation Limited | 0 | -100% |
| Schlumberger Technology LLC | 0 | — |
| Schlumberger Limited | 0 | — |
| Microfluidics International Corporation | 0 | — |
| Schlumberger Technology Corporation | 0 | — |
| Schlumberger Canada Limited | 0 | — |
| North University of China | 0 | — |
| Velocys, Inc. | 0 | — |
The dataset points to a small number of concrete follow-up checks rather than a broad monitoring exercise, given how concentrated and flat this corpus is.
With only 2 records combining additive manufacturing with process intensification equipment, and one 2026 filing already in that space, a targeted freedom-to-operate check on packing geometry claims is a fast first step.
Search this overlap in EurekaThe strongest co-assignee pair in this corpus files together 7 times; treating the related entities as a single effective filer will give a more accurate picture of who actually controls claim space here.
Build an assignee map in EurekaSeparation and mixing equipment claims are less dense than the B01J core, making them a comparatively open angle for new filings framed around a specific separation stage or mixing parameter.
Compare subclass density in EurekaIn this dataset, process intensification equipment refers to hardware such as spinning disc reactors and rotating packed beds that concentrate mass transfer, reaction or separation into a much smaller equipment volume than conventional vessels. The search string used here combines those equipment terms with mass-transfer enhancement, volume reduction, high-gravity and scale-up language, filtered to IPC classes B01J19 (chemical/physical process apparatus), B01D3 (distillation and separation) and B01F27 (mixing and stirring). Most of the 64 records in this corpus fall under B01J, meaning the bulk of the patent activity treats the reactor or contactor itself as the point of novelty rather than the downstream chemistry.
Filing activity in this corpus is not concentrated behind a single dominant assignee; instead it includes a cluster of related Schlumberger entities that co-file with each other, alongside independent filers such as Hindustan Petroleum and Microfluidics International. The co-assignee data shows the strongest linked pair filing together 7 times, which is a modest cluster rather than a single company controlling the field. Recent-year momentum for the named assignees shows zero filings in the latest year across the board, so leadership in this space should be assessed on cumulative family counts and citation weight rather than on who filed most recently.
The trend data shows zero filings in 2017, zero again at the 2022 midpoint, and a peak of only 10 records in 2024, with no clear upward slope across the window. Part of this is a genuine reflection of a niche, equipment-specific search string rather than a broad chemical engineering category. Part of it is also a publication-lag effect: patent applications typically publish around 18 months after filing, so the 2025 and 2026 figures in any such dataset are structurally understated and should not be read as a real decline yet.
WO2026122960A1, filed by Mojonnier USA, LLC and published on 2026-06-11, covers additive manufacturing processes for producing packing material together with a rotating packed bed apparatus that uses that packing. It sits at the intersection of two thinly claimed areas in this corpus: additive manufacturing (only 2 records) and rotating packed bed hardware, which is otherwise a dense cluster. Because it is a very recent publication, it has not yet accumulated citations, so its practical scope in later prosecution and litigation is still forming.
The thinnest IPC branches in this corpus are additive manufacturing (2 records), nanostructures (3 records), hydrocarbon oil refining (4 records) and acyclic/carbocyclic compound chemistry (5 records), all sitting well below the 46-record B01J core. These branches are under-claimed rather than technically infeasible, and the representative WO2026122960A1 filing shows one company already moving into the additive-manufacturing-plus-rotating-packed-bed overlap. Separation (B01D) and mixing (B01F) claim space is also comparatively lighter than the core reaction-apparatus cluster, making equipment geometry framed around a specific separation stage or mixing residence time a more open filing angle than another general transport-and-reaction claim.
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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.