Industrial Robot Manipulator Design Patents: Leaders & Trends 2026
- Filings have cooled since the 2022 peak. 184 families in 2022 against 111 in 2017 and only 36 so far in the most recent year — a plateau rather than sustained growth, though the latest year is still undercounted by publication lag.
- Surgical robotics dominates the citation record. The most-cited documents in this corpus are minimally invasive surgical arm patents, not factory-floor manipulators, which skews influence signals toward medical applications even though B25J filings are overwhelmingly industrial.
- Momentum is fading even among active filers. Tracked assignees show year-on-year declines of 50–100% in the latest period, with several logging zero new families — a sign that core manipulator claim space is being defended rather than expanded.
Filing growth compares 2021 (151 records) with 2024 (112) — 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 2,019 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
Industrial robot manipulator design sits at the intersection of mechanical structure and motion control: payload capacity, joint stiffness, harmonic drive transmissions, workspace geometry and repeatability are the claim elements that separate one arm design from another. The search underlying this page combines robot-manipulator terminology with those design-specific claim terms, restricted to the B25J9/17/18 manipulator subclasses, so the corpus is weighted toward mechanical and kinematic claims rather than software-only robotics filings.
Coverage runs from 2015 through the 2026 data cut-off, drawing on 2,019 published families. Because publication typically lags filing by around 18 months, figures for the most recent year understate actual filing activity and should be read as a floor, not a ceiling.
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Filing trend and technology composition
Two views of the same 2,019-family corpus: how filing volume has moved year over year, and which IPC subclasses the claims actually sit in.
A 2022 peak followed by decline
Annual filings rose from 111 in 2017 to a peak of 184 in 2022, then fell toward 36 in the most recent (partial) year. The midpoint sits at the peak itself, which is consistent with a maturing rather than expanding filing wave — new entrants are more likely to be filing around existing claims than opening new ground.
Manipulator core with a surgical-robotics halo
B25J (manipulators and robots) accounts for 2,012 of 2,019 records, confirming the search is on-topic. A61B (diagnosis and surgery) appears in 388 records — a substantial secondary cluster reflecting how much manipulator-design patenting is now driven by surgical robot arms rather than factory automation. G05B control systems, F16H gearing, G06F data processing, B65G material handling, G06T image processing and B23Q machine-tool fittings form a long tail of adjacent claim territory.
Shares are the percentage of the 2,019 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Industrial Robot Manipulator Design with Eureka
This page is one run against one query. Ask Eureka your own question about industrial robot manipulator design and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records in this corpus
US20250236018A1 — Controlling a robot manipulator for shared human workspaces
A method of controlling a robot manipulator for operating in a shared workspace with human(s) is provided. The method includes: determining a safety control set with respect to a safety condition between selected part(s) of the robot manipulator and selected part(s) of the human(s) using a safety control function: determining a hard constraint control set with respect to hard constraint(s) in trajectory tracking in DOF(s) of a component of the robot manipulator for a task using a hard constraint function: determining a soft constraint control set with respect to soft constraint(s) in trajectory tracking in DOF(s) of the component for the task using a soft constraint function: and performing…Filed by Nanyang Technological University, published 2025-07-24 — illustrates how recent manipulator claims increasingly layer safety and constraint logic onto the mechanical arm rather than claiming new mechanical structure outright.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US9261172B2 | Multi-ply strap drive trains for surgical robotic arms | 1,125 |
| 2 | US9855662B2 | Force estimation for a minimally invasive robotic surgery system | 1,021 |
| 3 | EP1815950A1 | Robotic surgical system for performing minimally invasive medical procedures | 819 |
| 4 | US9737371B2 | Configurable robotic surgical system with virtual rail and flexible endoscope | 540 |
| 5 | US20170340396A1 | Configurable robotic surgical system with virtual rail and flexible endoscope | 392 |
| 6 | US4146924A | System for visually determining position in space and/or orientation in space and apparatus employing same | 336 |
| 7 | US20170202629A1 | Robotic-assisted device for positioning a surgical instrument relative to the body of a patient | 323 |
| 8 | US20070089557A1 | Multi-ply strap drive trains for robotic arms | 315 |
| 9 | US5155423A | Industrial robot with servo | 314 |
| 10 | US4942538A | Telerobotic tracker | 289 |
Citation counts are drawn from the searched corpus and favour older filings; treat them as a measure of influence within this dataset, not of current commercial importance.
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Four read-outs from the filing trend, IPC composition and citation record, aimed at where design decisions and freedom-to-operate checks should focus.
The wave has crested
Filings climbed from 111 in 2017 to a peak of 184 in 2022 and have since fallen sharply. Even allowing for publication lag understating the last year or two, the shape is a plateau-then-decline rather than continued growth, suggesting the core mechanical claim space around joint stiffness and drive trains is now well staked out.
Surgical arms anchor the influence record
The most-cited documents in this corpus describe surgical robotic arms and force-estimation systems, not factory manipulators. That reflects how citation-heavy the medical robotics sub-field has become, and means citation counts here are a poor proxy for industrial-automation importance specifically.
One core subclass, several adjacent ones
Almost the entire corpus sits in B25J, but meaningful secondary volume appears in A61B (surgery), G05B (control) and F16H (gearing) — an indication that manipulator-design claims are increasingly bundled with control-system or surgical-application claims rather than filed as pure mechanical structure.
Even active filers are pulling back
Assignees with visible recent activity show year-on-year drops of 50% or more, and several show no new families at all in the latest year. Read alongside the 2022 peak, this points to a field where incumbents are maintaining existing portfolios rather than expanding claim scope.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to industrial robot manipulator design, with the prior art for and against each one.
Assignee landscape and collaboration patterns
Filing activity in this corpus is led by a mix of industrial robot manufacturers and surgical robotics firms, with a small number of co-assignee pairs pointing to sustained research partnerships rather than one-off joint filings.
A ranked field, not a single dominant filer
The assignee ranking spans 2,019 families with recent-year momentum data available for several named entities, none of which is adding meaningfully to its count in the latest year — a sign of a settled rather than consolidating field.
A handful of durable co-filing links
Ten co-assignee pairs appear in the data, the strongest linking an individual inventor to a named corporate assignee across five shared filings — consistent with named-inventor academic or spin-out relationships rather than broad industry consortia.
US-centred, with strong EPO and PCT routes
The United States receives the largest single share of filings, with Europe and the WIPO/PCT route each carrying substantial secondary volume, and India, Japan and Canada forming a smaller but active tier — a filing footprint typical of a globally commercialised industrial technology.
| Assignee | Recent year | YoY |
|---|---|---|
| Auris Health, Inc. | 3 | -50% |
| Dexterity, Inc. | 2 | -75% |
| ABB (Switzerland) Ltd. | 0 | -100% |
| FANUC Corporation | 0 | — |
| Verb Surgical Inc. | 0 | -100% |
| ASEA Brown Boveri (Sweden) / ABB | 0 | — |
| European Atomic Energy Community (EURATOM), represented by the European Commission | 0 | — |
| CANVAS CONSTRUCTION INC | 0 | -100% |
Where to take this analysis
The trend and assignee data point to a field with settled core claims and a few narrower branches still open. The next steps depend on whether the goal is freedom-to-operate, portfolio strategy, or spotting where to file next.
Check freedom-to-operate against the top-cited cluster
The highest-cited records concentrate in surgical arm mechanisms — anyone designing near force-estimation or flexible-endoscope arm claims should map those specifically rather than assuming industrial-only prior art applies.
Explore claim-level FTO in Eureka →Track assignee momentum before committing R&D spend
Several tracked assignees show sharp year-on-year declines in new families; verifying whether that reflects portfolio maturity or a strategic pivot changes how much weight to put on their existing claims as blocking prior art.
Monitor assignee activity in Eureka →Probe the under-claimed sub-areas directly
Branches like joint-stiffness tuning and drive backlash compensation show thinner claim density than the core manipulator subclass — worth a targeted novelty search before assuming the space is closed.
Run a white-space search in Eureka →Common questions on industrial robot manipulator patents
This corpus of 2,019 families is ranked by assignee, and filing activity is spread across a mix of established industrial robot manufacturers and surgical robotics firms rather than concentrated in a single company. Several of the most active assignees show declining or zero new filings in the most recent year, which suggests their existing portfolios are being maintained rather than expanded. Checking the current ranking directly is more reliable than relying on any single year's snapshot, since publication lag means recent-year counts are always undercounted.
The search terms used to build this landscape — payload capacity, joint stiffness, harmonic drive, workspace and repeatability — are generic manipulator design claim elements that apply equally to factory arms and surgical robotic arms. Because surgical robotics has been a heavily patented and heavily cited sub-field, its records surface strongly in citation rankings even though the IPC composition confirms the underlying corpus is overwhelmingly B25J (general manipulators), not A61B (surgery) alone. Readers focused purely on factory automation should filter citation-based signals accordingly.
Yes, based on this dataset. Filings rose from 111 in 2017 to a peak of 184 in 2022, then declined to 36 in the most recent year tracked. Even accounting for the roughly 18-month lag between filing and publication, which understates the latest one to two years, the trajectory after 2022 points to a plateau or decline rather than continued growth in new manipulator-design filings.
US20250236018A1, filed by Nanyang Technological University and published in mid-2025, claims a method for controlling a robot manipulator operating alongside humans, using separate safety-control, hard-constraint and soft-constraint functions to govern trajectory tracking. It is a control-method claim layered on top of manipulator hardware, not a claim to a new mechanical arm structure. Anyone building shared human-robot workspace safety logic with a similar three-tier constraint architecture should review it closely, but it does not by itself block conventional payload, joint-stiffness or drive-train claims that sit outside its control method.
Based on the IPC composition, the core manipulator subclass B25J is heavily claimed, but adjacent branches such as joint-stiffness tuning, harmonic drive backlash compensation, vision-guided workspace calibration and multi-arm shared-workspace safety show comparatively thinner claim density relative to that core volume. These are reasonable areas to run a targeted novelty search before assuming the space is closed, though thinner density in this corpus is not proof of an open field — it may simply mean claims there are filed under a different IPC classification.
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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.