Precision Manufacturing Patents: Top Companies & Filing Trends 2026
- 37.9% of all 636 records sit with just five assignees, so a new entrant is filing directly into a crowded top of the field, not a fragmented one.
- Filings peaked in 2017 at 74 and fell to 2021's 23 → 2024's 11, a 52% drop, though 2025-26 counts are still filling in under publication lag.
- A63B (sports & gymnastics equipment) carries 25.9% of records, meaning golf-club and sporting-goods precision manufacturing is the field's dominant claim territory, not a niche within it.
Filing growth compares 2021 (23 records) with 2024 (11) — 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 636 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This landscape maps 636 published patent records filed between 2015 and 2026 that combine precision or ultraprecision manufacturing claims with process controls such as tool geometry, dimensional tolerance, surface finish or process monitoring. It spans a wider set of end markets than the phrase “precision manufacturing” suggests on its own — the largest single IPC subclass by record count is sports and gymnastics equipment, not a generic industrial category, which says something about where dimensional-tolerance claims have actually been litigated and defended over the past decade.
Filing offices skew heavily to the United States, with WIPO PCT filings, European, UK, Japanese and Indian offices trailing well behind. Readers should treat family counts, not raw document counts, as the fairer unit when comparing assignees, since continuation practice and multi-jurisdiction filing can inflate a single invention into several records.
Filing trend and technology composition
Two views of the same 636-record set: how filing activity moved year over year, and how records distribute across IPC subclasses. Because a single record can carry more than one IPC class, the class shares below add to more than 100% of the record total — that is expected and not an error in the chart.
Filings rose to a 2017 peak of 74 then declined
The trend climbs to its peak in 2017 and then recedes; the clearest complete-year comparison available is 2021's 23 filings against 2024's 11, a 52% decline over that span. 2025 and 2026 counts will continue to rise as publications catch up with filing dates, so they should not be read as a continuation of the decline yet.
Sports equipment and plastics shaping dominate the class mix
A63B (sports & gymnastics equipment) accounts for 25.9% of the 636 records, well ahead of B29C (shaping of plastics) at 11.8%. Welding/soldering/brazing (B23K) and optical elements (G02B) run neck and neck at 6.8% each, with implants (A61F) and presses (B30B) trailing — a spread that shows precision-manufacturing claims here cluster around finished consumer and industrial goods rather than generic machine-tool hardware.
Shares are the percentage of the 636 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
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System and method for monitoring manufacturing precision in the additive manufacturing of three-dimensional components
A system for monitoring manufacturing precision in additive manufacturing combines an illumination and detection element with a two-dimensional detector array and a laser radiation source directed onto powder or paste-form material. As a three-dimensional component region is produced with locally defined energy input, the detector array is arranged to capture speckle arising on the irradiated surface in a spatially resolved manner, feeding those signals forward for process evaluation.Filed by Fraunhofer-Gesellschaft, published 2021-03-04 (US20210060855A1).
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20050074593A1 | Fiber reinforced composite cores and panels | 264 |
| 2 | US5031483A | Process for the manufacture of laminated tooling | 262 |
| 3 | US9352197B2 | Golf club heads and methods to manufacture golf club heads | 249 |
| 4 | US20050074208A1 | Monitor for an optical fibre and multi-guide optical fibre circuits and methods of making them | 247 |
| 5 | US6740381B2 | Fiber reinforced composite cores and panels | 228 |
| 6 | US9399158B2 | Golf club heads and methods to manufacture golf club heads | 214 |
| 7 | US9630070B2 | Golf club heads and methods to manufacture golf club heads | 211 |
| 8 | US7393577B2 | Fiber reinforced composite cores and panels | 164 |
| 9 | US20010031350A1 | Fiber reinforced composite cores and panels | 157 |
| 10 | US3826301A | Method and apparatus for manufacturing precision articles from molten articles | 157 |
Citation counts favour older records simply because they have had longer to accumulate citations inside this corpus — read them as a signal of influence on subsequent filings, not as a measure of current commercial relevance.
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Three figures from this dataset matter more than the rest for anyone deciding whether and where to file next.
The top of the field is dense, not fragmented
Five assignees account for 241 of the 636 records in scope, and the top ten extend that to 303 records (47.6%). A new filer entering claim space adjacent to the leaders is filing against an established position, not into open ground.
Activity has cooled from its 2017 peak
The field peaked at 74 filings in 2017 and has trended down since, with the clearest complete-year comparison showing a 52% decline from 2021 to 2024. Treat 2025-26 figures as provisional; publication lag means recent years always understate true filing activity.
Sports and gymnastics equipment leads the class mix
A63B outweighs every other IPC subclass in this set, with B29C (plastics shaping) a distant second at 11.8%. That skew reflects where dimensional-tolerance and surface-finish claims have concentrated in practice, more than a general industrial trend.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to precision & ultraprecision manufacturing patent landscape, with the prior art for and against each one.
| Assignee | Co-assignee | Shared families |
|---|---|---|
| Invibio | DEVINE JOHN NEIL | 3 |
| NanoPrecision Products Inc | TARASYUK ALEX | 3 |
| NanoPrecision Products Inc | PRINZ FRITZ | 3 |
| NanoPrecision Products Inc | PINILLA MIGUEL | 3 |
| NanoPrecision Products Inc | LEVI ANTHONY | 3 |
| NanoPrecision Products Inc | KANG SANGKYUN | 3 |
| NanoPrecision Products Inc | HARRIS DAN | 3 |
| NanoPrecision Products Inc | COHEN(US) | 3 |
Only 10 co-assignee pairs appear across the dataset, and the strongest of them recur at 3 shared records each — collaboration between filers is the exception here, not the norm.
Who holds the claims, and where momentum has stalled
The assignee ranking covers 100 companies across the 636 records in scope. It is a full ranking, not a top-50 or top-100 cut, and the leader alone holds 172 records — a scale gap the rest of the ranked field has not closed.
One assignee sets the scale for the whole field
The leading assignee's 172 records dwarf the fifth-place count of 15 and the tenth-place count of 10, a gap that concentration figures alone understate. Anyone benchmarking filing volume against this leader is measuring against an outlier, not a typical competitor.
Several top filers show no latest-year activity
Multiple assignees in the leading tier, including the top-ranked filer, show zero filings in the latest year captured, with at least one recording a -100% year-over-year change. This is consistent with the broader 2021-2024 decline rather than a single company's exit.
Joint filings are limited to a handful of recurring pairs
The strongest co-assignee relationships in the dataset repeat at three shared records apiece, and only ten pairs exist in total. Most activity in this field is filed by a single assignee acting alone.
| Assignee | Recent year | YoY |
|---|---|---|
| Parsons Xtreme Golf LLC | 0 | — |
| Invibio | 0 | — |
| WEBCORE TECHNOLOGIES INC | 0 | — |
| Micro Lam Inc | 0 | -100% |
| NanoPrecision Products Inc | 0 | — |
| Sandvik Intellectual Property AB | 0 | — |
| Swashpump Tech | 0 | — |
| Ningbo Sunny Opotech Co Ltd | 0 | — |
Where to take this analysis
The dataset points to a field with a dominant class, a concentrated top tier, and a cooling filing rate — each of those has a direct follow-up question for a filing or freedom-to-operate decision.
Map claims against the A63B cluster
With a quarter of all records sitting in sports and gymnastics equipment, any new filing touching dimensional tolerance or surface finish in consumer goods should be checked against this cluster first.
Explore claim scope in EurekaWatch for renewed filing after the 2021-2024 dip
A 52% decline over three complete years does not guarantee continued decline; publication lag means 2025-26 activity is still arriving and could reverse the trend.
Track filing trends in EurekaCheck the under-claimed branches before filing
Lower-density classes such as press-based tolerance control and optical-element tool geometry carry fewer records relative to A63B and B29C, which may leave room for a narrower, defensible claim.
Run a white-space search in EurekaCommon questions about this landscape
The assignee ranking in this dataset covers 100 companies across 636 records, and it is heavily front-loaded: the top-ranked assignee alone holds 172 records, compared with 15 at fifth place and 10 at tenth. The top five assignees combined hold 241 records, or 37.9% of all 636 records in scope, and the top ten extend that to 303 records (47.6%). That means roughly half the documented activity sits with a small group of filers, while the remaining 90 ranked companies hold single-digit or low double-digit counts each.
Filing activity peaked in 2017 at 74 records and has declined since, with the clearest complete-year comparison showing 2021's 23 filings falling to 2024's 11 — a 52% drop over that three-year span. Counts for 2025 and 2026 are still low, but that reflects publication lag rather than a genuine collapse in filing, since publication typically trails actual filing by around 18 months. Readers should treat 2024 as the most recent year with a reliable count and wait for later years to fill in before drawing firm conclusions about the current rate.
Sports and gymnastics equipment (IPC class A63B) leads by a wide margin, covering 25.9% of the 636 records in scope. Plastics shaping (B29C) follows at 11.8%, with layered products and laminates (B32B), welding and brazing (B23K), and optical elements (G02B) each in the high single digits. Because a record can carry more than one IPC class, these shares add up to more than 100% of the record total, which is expected and reflects overlapping claim scope rather than double counting.
US20210060855A1, filed by Fraunhofer-Gesellschaft and published 2021-03-04, covers a system for monitoring manufacturing precision during additive manufacturing using a combined illumination and detection element with a two-dimensional detector array, sensing laser-induced speckle on a powder or paste-form material's surface in a spatially resolved way. It is a process-monitoring claim tied specifically to speckle-based detection during energy-input additive processes, not a claim over additive manufacturing or precision monitoring generally. Work using different sensing modalities, such as thermal imaging or acoustic emission monitoring, for process control would sit outside this specific claim scope, though a full freedom-to-operate review should check the granted claim set rather than the abstract alone.
Based on IPC class density, branches such as press-based dimensional tolerance control (B30B, 4.2% of records), welding and brazing process-monitoring integration (B23K, 6.8%), and implant-grade precision tolerancing (A61F, 3.8%) carry substantially fewer records than the dominant A63B and B29C clusters. Lower density in a class does not guarantee an easy filing path, since some of that space may be thin because it is genuinely hard to claim, but it does mean fewer prior filings to design around. A practical next step is a targeted search within one of these classes rather than assuming the whole field is as crowded as its top classes suggest.
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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.