Switching valve
US-9810243-B2 · Nov 7, 2017 · US
Mechanical Engineering
Mechanical Engineering · 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 | F15B11/024 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 270 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 31 |
| 2016 | 18 |
| 2017 | 25 |
| 2018 | 26 |
| 2019 | 24 |
| 2020 | 30 |
| 2021 | 20 |
| 2022 | 23 |
| 2023 | 23 |
| 2024 | 24 |
| 2025 | 23 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic Drive System for Work Machine
US-2017234334-A1 · Aug 17, 2017 · US
Hydraulic axle
US-9719587-B2 · Aug 1, 2017 · US
Wind turbine load mitigation
US-9695802-B2 · Jul 4, 2017 · US
Method of controlling velocity of a hydraulic actuator in over-center linkage systems
US-2017184139-A1 · Jun 29, 2017 · US
Hydraulic drive apparatus for work machine
US-9650232-B2 · May 16, 2017 · US
System and method for hydraulic energy recovery
US-2017130744-A1 · May 11, 2017 · US
Construction machinery
US-9598842-B2 · Mar 21, 2017 · US
Device for controlling regenerated flow rate for construction machine and method for controlling same
US-2017016460-A1 · Jan 19, 2017 · US
Electro hydrostatic actuators
US-2017002844-A1 · Jan 5, 2017 · US
Electro hydrostatic actuators
US-2017002845-A1 · Jan 5, 2017 · US
Slewing type working machine
US-9506220-B2 · Nov 29, 2016 · US
Control circuit and control method for boom energy regeneration
US-2016312444-A1 · Oct 27, 2016 · US
Hydraulic Pressure Circuit and Working Machine
US-2016273192-A1 · Sep 22, 2016 · US
Hydraulic Pressure Circuit and Working Machine
US-2016238041-A1 · Aug 18, 2016 · US
Hydraulic control circuit with regeneration valve
US-9394922-B2 · Jul 19, 2016 · US
Control device and construction machine provided therewith
US-9394671-B2 · Jul 19, 2016 · US
Pressure indicating device
US-2016153854-A1 · Jun 2, 2016 · US
Cylinder device
US-9352759-B2 · May 31, 2016 · US
Hydraulic regenerative and recovery parasitic mitigation system
US-2016138618-A1 · May 19, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B11/024?
- CPC F15B11/024 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F15B11/024 (Mechanical Engineering)?
- Our database includes 270 publications tagged with this CPC code.
- Is patent activity under CPC F15B11/024 growing?
- Publication counts under this code: 24 in 2024 vs 23 in 2025 (latest complete years).