Food-Process Equipment Patents: Top Filers & Filing Trends 2026
- 37.4% concentration. The top five assignees hold 184 of the 492 records in scope — over a third of the entire field sits with five companies.
- Modest but real growth. Filings rose 2021 to 2024 (17 to 18, +6%) after a 2020 peak of 32, even as the two most recent years are still filling in under publication lag.
- Analysis and biocide classes rival food composition itself. G01N material testing (16.9%) and A01N biocide/agrochemical classes (12.8%) sit close behind A23L food composition (24.8%), pointing to hygiene and QC as parallel claim fronts.
Filing growth compares 2021 (17 records) with 2024 (18) — 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 492 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This landscape draws on 492 published records filed between 2015 and 2026 that combine food-process equipment terms with ingredient, microbial, thermal or packaging-atmosphere claims. The scope captures machinery patents that specify a food composition, processing temperature or product-stability outcome, rather than equipment claims in isolation. Publication lags filing by roughly 18 months, so the 2025 and 2026 counts in the trend chart understate real filing activity for those years.
Records are grouped into patent families for the assignee ranking so that multi-jurisdiction and continuation filings from the same invention do not inflate a single company's count. IPC subclass shares, receiving-office counts and the most-cited records below are drawn from the full 492-record set unless stated otherwise.
Filing trend and technology composition
Two views of the same 492 records: how filing activity has moved year over year, and which IPC subclasses carry the claim density.
Filing trend, 2017-2026
Filings ran at 31 in 2017, peaked at 32 in 2020, and held a modest upward path from 17 in 2021 to 18 in 2024 (+6%) before the two most recent years show the expected publication-lag dip to 9 by 2026.
IPC subclass composition
A23L food and non-alcoholic beverage claims lead at 24.8% of the 492 records, with A61K medicinal preparations (18.3%) and G01N material analysis and testing (16.9%) close behind. Because a single record can carry several IPC codes, these shares sum to more than 100% of the record total.
Shares are the percentage of the 492 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Food-Process Equipment Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about food-process equipment patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records and a representative filing
Method of Lubricating Food Processing Equipment and Related Food Grade, High Temperature Lubricants and Compositions
The filing describes methods of lubricating food processing equipment using a food-grade, high-temperature lubricant built on a polyol polyester base oil formed from a neopentyl polyhydric alcohol and a monocarboxylic acid, along with methods of preparing that composition.Filed by Zschimmer & Schwarz, Inc.; published 2009-12-03.
View full record| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20170251718A1 | Inductive heating apparatus and related method | 260 |
| 2 | WO2010120923A1 | Novel microalgal food compositions | 218 |
| 3 | US20100297331A1 | Reduced Fat Foods Containing High-Lipid Microalgae with Improved Sensory Properties | 147 |
| 4 | WO2013012924A2 | Engineered microbe-targeting molecules and uses thereof | 141 |
| 5 | US5597597A | Method of sterilizing an edible substrate with UV radiation | 140 |
| 6 | US20120119862A1 | Microbial oils with lowered pour points, dielectric fluids produced therefrom, and related methods | 123 |
| 7 | WO2012061647A2 | Microbial oils with lowered pour points, dielectric fluids produced therefrom, and related methods | 119 |
| 8 | US20120128851A1 | Novel microalgal food compositions | 114 |
| 9 | WO2013130875A1 | Rapid antibiotic susceptibility testing | 105 |
| 10 | US20140227723A1 | Engineered microbe-targeting molecules and uses thereof | 89 |
Citation counts reflect influence within this searched corpus and skew toward older filings; treat them as a signal of prior-art density, not of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Reading the concentration, technology mix and citation data together points to where claim space is occupied and where it is not.
Filing sits with a small group
The top five assignees hold 184 of 492 records and the top ten hold 247 (50.2%). A new entrant filing broad equipment-plus-composition claims should expect to run into prior art from this small group before looking at the long tail.
Composition and testing claims run in parallel
A23L food-composition claims lead the corpus, but G01N material-analysis and testing claims sit close behind at 16.9%, and A01N biocide claims hold 12.8%. Equipment inventions that pair a processing step with a stability-test or sanitation claim are competing across more than one dense class at once.
Growth is steady, not surging
Filings moved from 17 in 2021 to 18 in 2024, a modest but real increase after the 2020 peak of 32. The most recent two years in the chart are still filling in under publication lag and should not be read as a slowdown.
Older heating and microalgae filings anchor the field
The most-cited record in the corpus is an inductive heating apparatus filing, followed by microalgae food-composition work. High citation counts here reflect age and foundational status within the corpus rather than current filing volume.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to food-process equipment patent landscape, with the prior art for and against each one.
Who is filing, and where the gate sits
The ranked leaders span industrial gas and chemical majors, ingredient and hygiene suppliers, and academic assignees, with a small set of recurring co-assignee pairs indicating active joint filing relationships.
A single assignee well ahead of the field
The leading assignee holds 88 records, more than five times the count at fifth place (17). That gap suggests one organisation has built a deliberate, sustained filing program rather than opportunistic single filings.
A steep drop after the top ten
Filing counts fall from 17 at fifth place to 10 at tenth, and the ranking runs to 100 companies in total. Most of that ranking is a long tail of single- or low-digit filers rather than a second tier of comparable scale.
Joint filing is concentrated, not broad
Ten co-assignee pairs appear in the data, with the strongest pairs linked to industrial chemical and academic partners. This points to a handful of standing R&D collaborations rather than a general pattern of joint filing across the field.
| Assignee | Recent year | YoY |
|---|---|---|
| President and Fellows of Harvard College | 0 | — |
| Daikin Industries, Ltd. | 0 | — |
| Corbion Biotech, Inc. | 0 | — |
| Ecolab USA Inc. | 0 | — |
| Solazyme, Inc. | 0 | — |
| Ecolab Inc. | 0 | — |
| Societe des Produits Nestle SA | 0 | — |
| Terravia Holdings, Inc. | 0 | — |
Where to take this next
The landscape above is a starting point for a freedom-to-operate check or a competitive filing review, not a substitute for one.
Check claim scope against the leading assignees
With 37.4% of records held by five companies, a new filing in this space should be checked against their specific claim language before drafting, not just their subject matter.
Explore assignee claims in EurekaTrack the under-claimed branches
Sub-areas like packaging-atmosphere stability and fermentation-linked sanitation show thinner coverage than the core food-composition classes and may offer more open claim space.
Map white space in EurekaWatch the 2025-2026 filings as they publish
Because publication lags filing by about 18 months, the most recent filing years will keep filling in; revisit the trend periodically rather than treating the latest year as final.
Set up monitoring in EurekaCommon questions about food-process equipment patents
One assignee leads the ranked set with 88 records, well ahead of fifth place at 17. The top five assignees combined hold 184 of the 492 records in scope, or 37.4% of the field, and the top ten hold just over half at 50.2%. That leaves a long tail across the remaining ranked companies, most holding only a handful of records each.
Filings peaked at 32 in 2020 and then settled into modest growth, moving from 17 in 2021 to 18 in 2024, a 6% increase over that span. The 2025 and 2026 figures in any trend chart look lower, but that reflects the roughly 18-month lag between filing and publication rather than a real drop in activity. Judged on 2024, the last complete year, the field is holding steady with slight upward movement, not contracting.
A23L, covering foods and non-alcoholic beverages, is the largest single IPC subclass at 24.8% of the 492 records. A61K medicinal preparations (18.3%) and G01N material analysis and testing (16.9%) follow closely, with C07K peptides and proteins (13.4%) and A01N biocides (12.8%) also carrying meaningful share. Because records often carry more than one IPC code, these categories overlap rather than being mutually exclusive slices of the field.
The thinner classes in this dataset — detergents and cleaning compositions at 7.9%, baking and dough processes at 8.1%, and fermentation and enzymatic synthesis at 9.1% — carry noticeably less claim density than the core food-composition and analysis classes. Sub-areas that combine equipment claims with packaging-atmosphere control or fermentation-linked sanitation show comparatively thin coverage in this corpus. Any white-space assessment should still be checked against the specific claims of the leading assignees before drafting, since low class-level density does not guarantee an open claim.
The most-cited record in this corpus, an inductive heating apparatus filing, has 260 citations, followed by a microalgae food-composition filing at 218. High citation counts inside a searched corpus tend to favour older filings that have simply had more time to accumulate citations, so they signal historical influence and foundational prior art rather than current commercial importance. A recent, lightly-cited filing can still be commercially significant even though the citation count has not caught up yet.
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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.