Hydraulic & Pneumatic Systems Patents: Top Companies & Trends 2026
Hydraulic and pneumatic systems patents: who leads, and where filing activity is heading
Concentrated but not locked down. the ranked leader holds 50 families and the top 5 combined account for 13.0% of all 1,329 records in scope — a real edge, not a monopoly. Filings rose to a peak of 75 families in 2021, then fell to 42 by 2024 — a -44% move over that three-year span. The 2025 and 2026 figures in the chart are real counts but understate true filing activity, since publication typically lags filing by roughly 18 months; treat the last two bars as still filling in rather than as evidence of a continued decline.
- 1MAC VALVES INC3.8%
- 2BEST TECHNOLOGIES INC2.9%
- 3DEKA PRODUCTS LP2.2%
- 4HALLIBURTON ENERGY SERVICES INC2.1%
- 5HONEYWELL INTERNATIONAL INC2.0%
See the full hydraulic & pneumatic systems patent landscape analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions on this landscape
Who are the leading patent holders in hydraulic and pneumatic systems?
The ranked assignee list covers 100 companies by record count, with the leading company holding 50 families against a fifth-place figure of 27 and a tenth-place figure of 19. That gradient means the field has a clear leader but no single dominant player: the top 5 combined account for 13.0% of all 1,329 records in scope, and the top 10 combined reach 21.3%. The remaining share is spread across a long tail of companies with far fewer filings each, so a freedom-to-operate check needs to look well beyond the top names.
Is patent filing activity in hydraulic and pneumatic systems growing or slowing?
Filing activity peaked at 75 families in 2021 and had fallen to 42 by 2024, a -44% move over that three-year span. That decline is real for the complete years in the dataset, but the 2025 and 2026 figures should not be read the same way, since publication typically lags filing by around 18 months and those years are still filling in. The safest statement is that activity cooled from its 2021 peak through 2024; anything claimed about the most recent two years is premature.
Which technology areas carry the densest patent claims in this field?
Fluid-pressure actuators and systems (IPC class F15B) and valves and taps (F16K) are the two densest areas, covering 16.2% and 15.3% of the 1,329 records in scope respectively. Earth and rock drilling equipment (E21B) follows at 10.1%, reflecting how much hydraulic actuation technology is tied to oilfield machinery. Vehicle braking (B60T) and the two control-system classes, G05D and G05B, round out the next tier, each in the mid-single-digit percentage range.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Hydraulic & Pneumatic Systems Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.