Vibrating Screen Patents: Who Leads, Where the Gaps Are 2026
- Concentrated but not locked up. the top 5 assignees hold 48.3% of all 58 records in scope, and the top 10 hold 65.5% — dense at the front, then a long tail of single-filing entrants.
- Filings have plateaued, not fallen. the last complete three-year span (2021 to 2024) shows 0% net growth, with 2022 standing as the peak year at 6 records — treat 2025 onward as still filling in.
- Screening itself dominates the classification mix. B07B sieving and sorting appears on 58.6% of the 58 records, more than three times the next largest class, which points to where claim space is most occupied.
Filing growth compares 2021 (2 records) with 2024 (2) — 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 58 records in scope (CR5), not by the ranked leaders only.
What this dataset covers
This landscape draws on 58 published records filed or published between 2015 and 2026 that combine core vibrating screen terminology — “vibrating screen,” “banana screen,” “screening efficiency” — with specific mechanical failure and design terms such as stroke amplitude, blinding of aperture, exciter bearing, screen deck slope, polyurethane panel and structural fatigue. The intersection is narrow by design: it targets patents that address how a screen actually performs and fails in service, not general materials-handling filings that happen to mention a screen in passing.
Coverage runs through a mid-2026 cut-off, so the most recent one to two years understate real filing activity — publication typically lags filing by around 18 months. Receiving offices are spread across Australia, the United States, China, Canada, India and Israel, reflecting a technology tied to mining and aggregates operations in several jurisdictions rather than one dominant filing office.
Filing trend and technology composition
Two views of the same 58 records: how filing activity has moved year over year, and which IPC subclasses the claims actually sit in.
A plateau after a 2022 peak
Filings rose from a single record in 2017 to a peak of 6 in 2022. The most recent complete comparison — 2021 against 2024 — shows 0% net change, so the field looks steady rather than accelerating or declining once the publication lag is accounted for.
Sieving and sorting is the dominant class
B07B (sieving and sorting) appears on 58.6% of the 58 records, well ahead of B03B wet separation (19.0%) and the tied pair of C01B and F16N (12.1% each). Because records can carry multiple IPC classes, these shares sum to more than 100% — read each one against the 58-record total, not against each other.
Shares are the percentage of the 58 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Vibrating Screen Technology with Eureka
This page is one run against one query. Ask Eureka your own question about vibrating screen technology and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records in this corpus
US3468418A — Natural frequency vibrating screen
Filed by Allis-Chalmers Corporation and granted in 1969, this record has drawn 39 citations within the corpus and predates every other document in the top-cited set except one. It describes a screen designed to run at or near its natural resonant frequency, a mechanical principle that recurs across later exciter and deck-slope filings.Cited 39 times within this corpus.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5816413A | Wire screen deck having replaceable modular screen panels | 148 |
| 2 | WO2008141373A1 | Vibrating screen panel | 40 |
| 3 | US3468418A | Natural frequency vibrating screen | 39 |
| 4 | US2964186A | Vibratory screen apparatus | 22 |
| 5 | US20100140147A1 | Vibrating screen panel | 7 |
| 6 | US5102837A | Process for the preparation of opaliform porcellanite | 6 |
| 7 | JP1984102484A | Vibration screen | 6 |
| 8 | EP0420437A1 | Opaliform procellanite and process for the preparation thereof | 5 |
| 9 | CN204062418U | 振动筛激振器润滑结构 | 4 |
| 10 | CA2184951A1 | Wire screen deck having replaceable modular screen panels | 4 |
Citation counts inside a searched corpus favour older filings that have had more time to accumulate citations — read them as a signal of influence on later drafting, not as a measure of current commercial 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.
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Four read-outs from the assignee, trend and citation data, aimed at where a filing or design-around decision would actually be made.
The front of the field is dense, the rest is thin
The top 5 assignees combine for 48.3% of all 58 records and the top 10 for 65.5%. Beyond that point the ranking (32 companies total) thins into single- and double-filing entrants, which is where freedom-to-operate gaps are more likely to sit.
A plateau, not a slowdown
Filing counts moved from 2 in 2021 to 2 in 2024 — flat over that span, with 2022 as the single peak year at 6. Because 2025 and 2026 are still filling in under the publication lag, this plateau reading should not be extended into a decline.
Sieving and sorting absorbs most of the claim activity
B07B accounts for the largest single share of records by a wide margin, with B03B wet separation a distant second at 19.0%. Smaller but recurring classes — F16C shafts and bearings, B06B mechanical vibration generation — mark narrower mechanical sub-problems that show up far less often.
One deck-panel patent anchors the prior art
US5816413A, covering replaceable modular screen panels, carries 148 citations — far ahead of the next most-cited record at 40. Any panel-replacement or modular-deck design should expect to be read against this filing first.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to vibrating screen technology, with the prior art for and against each one.
Who is filing, and where the field is still open
The ranked leaders sit alongside operating mines, mineral processors and equipment makers — a mix that reflects vibrating screen technology's roots in mining and aggregates rather than a single manufacturing sector.
A single leader, then a fast drop-off
The top-ranked assignee holds 8 of the 58 records in scope. Fifth place already falls to 3 records and tenth place to 2, meaning the gap between the leader and the rest of the ranked field is steep rather than gradual.
Co-assignee links are rare and concentrated
Only three co-assignee pairs appear in the dataset, and the strongest one recurs three times between the same two organisations. Collaborative filing is the exception here, not the norm.
No assignee shows fresh-year momentum yet
Every assignee tracked for recent-year momentum, including the leader, shows zero filings in the latest year — consistent with the 18-month publication lag rather than an actual stop in activity. Read this as an artefact of the data cut-off, not a competitive signal.
| Assignee | Recent year | YoY |
|---|---|---|
| Ludowici Australia Pty Ltd | 0 | — |
| RES & DEV OF NATURAL RESOURCES | 0 | — |
| Superior Industries LLC | 0 | -100% |
| FL Smidth & Co. AS | 0 | — |
| Schenck Process Australia (Pty) Ltd | 0 | — |
| STEPHENS ADAMSON MFG | 0 | — |
| Schenck Process Europe GmbH | 0 | — |
| SWAGATH URETHANE PVT LTD | 0 | — |
Where to take this from here
The dataset points to a field with a dense front rank, a flat but not declining filing trend, and several narrow mechanical sub-areas with thin coverage.
Map claims against the top-cited prior art
Start any new deck-panel or exciter-bearing design against US5816413A and the other most-cited records before drafting, since these anchor the citation graph for this corpus.
Explore key patents in EurekaWatch the ranked leader's next filings
With momentum flat across the board due to publication lag, the leader's next disclosed filings — once they clear the 18-month lag — will be the first real signal of where the field moves next.
Track assignee activity in EurekaProbe the under-claimed sub-areas
Structural fatigue monitoring and aperture-blinding mitigation appear in the search terms but not in the dominant IPC classes, suggesting room for a first claim rather than a crowded one.
Run a white space search in EurekaCommon questions about vibrating screen patents
Within this 58-record dataset, one assignee leads with 8 records, well ahead of the rest of the ranked field. The top 5 assignees together account for 48.3% of all records and the top 10 for 65.5%, so leadership is concentrated at the front but the ranking still includes 32 companies overall, many with only one or two filings. That long tail is where smaller equipment makers and regional mining operators tend to sit, rather than in the top ranks.
The most reliable comparison, from 2021 to 2024, shows 0% net change — filings held flat rather than growing or shrinking. 2022 was the single peak year at 6 records. Filings recorded for 2025 and 2026 look lower, but that is expected because publication typically lags actual filing by around 18 months, so those years are still filling in and should not be read as a real decline.
US3468418A, titled Natural frequency vibrating screen and originally assigned to Allis-Chalmers Corporation, describes a screen built to operate at or near its natural resonant frequency. It has drawn 39 citations within this corpus, making it one of the most-referenced early records in the field. Its age means the core resonance concept is long out of patent term, but it remains a useful prior-art anchor for anything touching exciter tuning or stroke amplitude design.
The classification data shows screening and sorting itself (B07B) dominant at 58.6% of the 58 records, while narrower mechanical areas — shaft and bearing design (F16C, 5.2%) and mechanical vibration generation specifically (B06B, 3.4%) — appear far less often. Search terms like structural fatigue, aperture blinding and exciter bearing point to technical problems that are discussed in the literature but not heavily reflected in the dominant IPC classes, which is where a first claim is more likely to find open space.
US5816413A, covering a wire screen deck with replaceable modular screen panels, is the most-cited record in this corpus at 148 citations — nearly four times the next closest record. Its citation depth means later filings on modular or replaceable deck panels are likely to be examined against it. Anyone drafting claims in that specific area should expect this patent to surface early in a prior-art search.
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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.