Bellows Accumulator
US-2025305520-A1 · Oct 2, 2025 · US
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Anti-extrusion means
Anti-extrusion means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F15B1/18 |
| Official title | Anti-extrusion means |
| Display label | Anti-extrusion means |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic supply system for a vehicle
US-12203458-B2 · Jan 21, 2025 · US
Hydraulic supply system for a vehicle
US-2022228582-A1 · Jul 21, 2022 · US
Accumulator
US-11149754-B2 · Oct 19, 2021 · US
Accumulator
US-2021140449-A1 · May 13, 2021 · US