Cobot Lightweight Arm Materials Patent Snapshot 2026
The patent corpus for cobot lightweight arm materials is extremely small — just 4 patent families — and is fully dominated by two early-stage entrants, with Mantis Robotics Inc holding a commanding share. Activity emerged only in 2022, signalling a nascent field with significant room for new filings across materials, structural design, and control integration routes.
Mantis Robotics Inc leads a two-player, highly concentrated field
The cobot lightweight arm materials patent corpus stands at 4 patent families, with Mantis Robotics Inc ranked first at 3 patent families and Hunan University ranked second at 1 patent family. The top five filers collectively account for 100% of the ranked applicants visible in this query’ combined total, reflecting near-total concentration.
With only two identifiable applicants and a combined corpus of 4 patent families, the tier gap between the leader and the rest of the field is absolute — a single organization holds three-quarters of all indexed activity. This is among the most concentrated structures a patent evidence snapshot can exhibit.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Mantis Robotics Inc | 3 | |
| 2 | Hunan University | 1 |
Mantis Robotics Inc’s position as sole visible filer — focused on manipulator and robot control subclasses — suggests the organization is building an early proprietary foundation in this space. Hunan University’s single family indicates academic interest but no sustained programme at this time.
The most recent filing years (2024–2026) should be treated as under-counted due to standard patent publication lag; the apparent absence of filings in those years does not reflect actual R&D activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity emerged in 2022 and the technology base is overwhelmingly manipulator-focused
The filing trend and technology composition charts together reveal a field that is both temporally narrow and technically concentrated, with all activity clustering in a single IPC branch.
Annual filing trend
Zero filings are recorded from 2017 through 2021; all activity originates in 2022 (3 families) and 2023 (1 family). Years 2024–2026 show zero, but these are subject to publication lag and should not be read as a halt in activity. The field’s effective start date is 2022.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B25J (Manipulators and robots) accounts for all 4 patent families, with G05B (Control and regulating systems) appearing in 1 record as a secondary classification. The absence of materials-science IPC classes (e.g. C-series or structural-engineering subclasses) in the current corpus is a notable structural gap.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Robot System
A robot system for human-robot collaboration is disclosed that includes one or more proximity sensing elements disposed on the movable parts of the robot, joint position sensing sensors, and a safety control module connects the proximity sensing element and joint position sensing sensors and monitors the speed of the robot and the proximity distance to the… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种高集成化抗辐射主备冗余型协作机器人关节模组 | 2 |
| 2 | Robot System | 1 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Mantis Robotics Inc
Mantis Robotics Inc holds 3 patent families, making it the clear field leader. Its technology focus spans B25J 13 (manipulator controls), B25J 9 (robot arm structures), and G05B 19 (control and regulating systems), indicating an integrated approach covering both mechanical arm design and control logic. Momentum is flagged as a new entrant, consistent with all filings originating in 2022.
families: 3Hunan University
Hunan University holds 1 patent family, concentrated in B25J 17 (robot joints/wrists), B25J 19 (robot safety/sensing), and B25J 9 (arm structures). This academic focus on joint-level design and safety features is technically complementary to Mantis Robotics Inc’s control-oriented portfolio. Momentum is likewise flagged as a new entrant, with the single filing recorded in 2023.
families: 1Frequently asked questions
The corpus comprises 4 patent families as indexed in this analysis. This is an extremely small body of prior art, consistent with a nascent technology niche that only began attracting filings in 2022.
Mantis Robotics Inc is the top-ranked applicant with 3 patent families. Hunan University is the only other indexed applicant, holding 1 patent family.
According to the filing trend data, no families were filed between 2017 and 2021. Activity began in 2022, when 3 families were recorded, followed by 1 family in 2023. Years 2024–2026 appear empty but are subject to patent publication lag.
The United States leads with 2 patent records, followed by China and WIPO (PCT) with 1 record each. European and Japanese jurisdictions — both significant cobot markets — are not yet covered by indexed filings.
B25J (Manipulators and robots) covers all 4 patent families in the corpus. G05B (Control and regulating systems) appears in 1 record as a secondary classification. Materials-science IPC classes are entirely absent from current indexed filings.
No co-applicant relationships are recorded in the current corpus. Both Mantis Robotics Inc and Hunan University have filed independently, and there is no evidence of cross-sector or academic-industry co-development activity at this stage.
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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.
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