Titanium Alloy Machining Patents: Who Leads, Where Gaps Are 2026
- Concentrated at the top. The top 5 assignees account for 79.2% of all 48 records in scope, and the top 10 reach 89.6% — a small group holds most of the documented claim space.
- Filing has picked back up. After a low in 2021 (1 record), filings rose to 3 by 2024, a +200% increase over that span, even as the historical peak of 17 records sits back in 2017.
- Coolant delivery and coated-tool chemistry cite deep. The most-cited record in the set is a 1997 titanium diboride cutting-tool composition cited 36 times, still anchoring prior art for anyone claiming new tool materials.
Filing growth compares 2021 (1 records) with 2024 (3) — 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 48 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks patent families addressing titanium alloy machining, milling and turning where the claims also touch cutting temperature, tool life, chip morphology, high-pressure coolant, chatter suppression or surface integrity. It spans records published between 2015 and mid-2026, drawing together mechanical tool design, ceramic and carbide tool materials, coolant delivery systems, and process-control methods aimed at managing heat and wear when cutting titanium alloys.
Because titanium's low thermal conductivity concentrates heat at the cutting edge, much of the patented activity clusters around tool material composition, coolant delivery geometry and cutting-parameter control rather than the base machine architecture. The IPC spread below reflects that: general metal-working and grinding-tool classes sit alongside ceramics and turning/boring codes, showing that tool material chemistry and mechanical tool design are being claimed together as often as they are claimed separately.
Filing trend and technology composition
Two views of the same 48 records: how filing activity has moved year over year, and which IPC subclasses the claims actually sit in.
Filing trend, 2017–2026
Filings peaked at 17 records in 2017, fell through the following years, and bottomed at 1 record in 2021. From there, filings grew to 3 by 2024, a +200% increase over that three-year span — the most recent complete comparison the data supports. 2025 and 2026 figures are undercounted because publication typically lags filing by about 18 months, so the apparent tail-off in the newest years should not be read as declining interest.
Technology composition by IPC subclass
B23P (metal working, general) leads at 35.4% of the 48 records, closely followed by B24D (grinding tools and abrasives) and C04B (ceramics, cement and refractories), each at 33.3%. B23B (turning and boring) sits at 31.3%, and H02K (electric motors and generators) appears in 27.1% of records — a notable presence that points to spindle and drive-related filings bundled with machining claims. Because records can carry multiple IPC codes, these shares sum to well over 100% and should be read as overlap, not as a breakdown of a whole.
Shares are the percentage of the 48 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Titanium Alloy Machining and Tool Wear with Eureka
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Try EurekaThe most-cited prior art in this space
Group IVB boride based articles, cutting tools, methods of making, and method of machining group IVB based materials
A densified titanium diboride based ceramic composition is provided having W and Co therein and a fine grain size. The composition has particular usefulness as a cutting tool for the machining of titanium based alloys at high speeds.US5632941A, Kennametal Inc., granted 1997-05-27 — the most-cited record in this dataset at 36 citations.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5632941A | Group IVB boride based articles, articles, cutting tools, methods of making, and method of machining group IV… | 36 |
| 2 | US20140353406A1 | Atomizing-based cutting fluid delivery system and method | 17 |
| 3 | CN112756672A | 低温冷风钛合金加工方法 | 11 |
| 4 | CN201175782Y | 钛合金用硬质合金盘铣刀 | 9 |
| 5 | US5427987A | Group IVB boride based cutting tools for machining group IVB based materials | 8 |
| 6 | CN117862577A | 一种用于铣削钛合金的整体微细陶瓷内冷铣刀 | 4 |
| 7 | CN108972150A | 钛合金铣削非接触式测量刀具温度测量方法及装置 | 3 |
| 8 | US20200269306A1 | Machining Process for Production of Titanium Motor Housing | 3 |
| 9 | US5580836A | Group IVB based materials | 3 |
| 10 | WO1994026469A1 | Group IVB boride based cutting tools | 3 |
Citation counts are measured inside this searched corpus and skew toward older records; treat them as a signal of influence on later filings, not as a ranking 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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Browse MCP servers →What the numbers mean for a filing decision
Three observations that change where a new filing should aim, drawn only from the figures in this dataset.
A small group holds most of the field
The top 5 assignees account for 79.2% of all 48 records, and the top 10 reach 89.6%. A new entrant is not filing into open ground at the leader level — differentiation has to come from a specific mechanism (coolant geometry, coating chemistry, control logic) rather than a broad machining claim.
Recent filings are climbing off a low base
Filings dropped to a single record in 2021 before rising to 3 in 2024, a +200% increase. The historical peak remains 2017 at 17 records, so current activity is a rebound rather than a new high — but it is a rebound, not a plateau.
Tool material chemistry still anchors the field
The most-cited record in scope is a 1997 titanium diboride ceramic cutting-tool composition, cited 36 times. Its continued citation weight signals that tool-material claims from that era still shape how later filings are drafted around composition and grain structure.
Drive and spindle claims ride alongside machining claims
H02K (electric motors and generators) appears in 27.1% of records — a higher share than might be expected for a machining-focused search. This suggests spindle drive and actuation claims are frequently bundled into the same families as cutting-process claims.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to titanium alloy machining and tool wear, with the prior art for and against each one.
Who is filing, and where the gaps sit
The ranked assignee list covers 17 companies in total, counted in records — this is the complete ranking the data returns, not a top-50 or top-100 cut.
One filer sets the pace by volume
The leading assignee in the ranking holds 17 records, well ahead of the rest of the field. That volume spans tool material and machining-method filings rather than a single narrow claim family.
A sharp drop after the leader
Fifth place in the ranking holds just 2 records, and tenth place holds 1 — the field falls off quickly after the top few names, leaving most of the ranked list as single- or double-filing entrants.
Co-filing is rare and academic
Only two co-assignee pairs appear in the dataset, each linking a university with an industrial or second academic partner. Cross-institution filing is not yet a common pattern in this space.
| Assignee | Recent year | YoY |
|---|---|---|
| Kennametal Inc. | 0 | — |
| ZHU WEI | 0 | — |
| Jiangsu Kangrui New Material Technology Co., Ltd. | 0 | — |
| Henan Polytechnic University | 0 | — |
| The Board of Trustees of the University of Illinois | 0 | — |
| JIANGSU KANGRUI NEW MATERIAL TECH CO LTD | 0 | — |
| Northwestern Polytechnical University | 0 | — |
| Suzhou Ruimaide Medical Technology Co., Ltd. | 0 | — |
Where to take this analysis
The dataset points to a concentrated top tier, a rebound in recent filings, and several branches with thin coverage. The next step is testing a specific claim idea against this prior art directly.
Check freedom to operate around coated tool chemistry
Titanium diboride and related ceramic tool compositions carry deep citation weight in this set. Any new tool-material claim should be checked against that lineage before drafting.
Explore in EurekaMap the coolant delivery sub-space in detail
High-pressure and cryogenic coolant delivery methods show up repeatedly but are not concentrated among the leaders. This is a plausible entry point for a differentiated filing.
Run a deeper search in EurekaCommon questions about this landscape
The assignee ranking in this dataset covers 17 companies, and it is heavily front-loaded: the leading assignee alone holds 17 of the 48 records in scope. The top 5 assignees combined account for 79.2% of all records, and the top 10 reach 89.6%. That means most of the documented claim space sits with a small number of filers, while the remainder of the ranked list holds only one or two records each.
Filing activity peaked at 17 records in 2017, then fell sharply to a low of 1 record in 2021. Since then it has climbed back to 3 records by 2024, a +200% increase over that three-year span. Figures for 2025 and 2026 are still incomplete because publication typically lags filing by around 18 months, so the true recent trend is likely stronger than the raw numbers currently show.
US5632941A, assigned to Kennametal Inc. and granted in 1997, claims a densified titanium diboride based ceramic cutting-tool composition containing tungsten and cobalt with a fine grain size, aimed at high-speed titanium alloy machining. It is the most-cited record in this dataset at 36 citations, meaning many later filings in tool-material chemistry have had to draft around or distinguish from it. It does not cover coolant delivery, chatter control or process parameters, so those branches remain open regardless of this patent's scope.
The strongest-covered areas are tool material composition (ceramics and carbide, IPC class C04B and B24D) and general metal-working and turning methods (B23P, B23B), which together dominate the 48 records in scope. Areas like adaptive chatter-suppression control, real-time chip-morphology sensing and cryogenic coolant routing appear far less often relative to that core, and co-assignee collaboration is minimal at only two pairs in the whole dataset. Those thinner branches are where a new, narrowly drafted claim is less likely to run into dense prior art.
Among the receiving offices recorded, Europe (EPO) leads with 13 filings, followed by China at 11 and the United States at 9. Smaller counts appear at the Austrian patent office (4), and Australia and Canada each show 2. This spread suggests the technology is being protected across multiple major jurisdictions rather than concentrated in a single home market, which is typical for tooling and process technology sold internationally.
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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.