Discharge pressure scale and lifting-lowering device having a discharge pressure scale of this type
US-10871177-B2 · Dec 22, 2020 · US
Pressure compensating valves
Pressure compensating valves · 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 | F15B13/026 |
| Official title | {Pressure compensating valves} |
| Display label | Pressure compensating valves |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 13 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 14 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 13 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic Control Unit for an Automatic Transmission of a Motor Vehicle
US-2020309165-A1 · Oct 1, 2020 · US
Hydraulic system
US-2020158143-A1 · May 21, 2020 · US
Hydraulic control valve
US-10641297-B2 · May 5, 2020 · US
Hydraulic control valve
US-2020056635-A1 · Feb 20, 2020 · US
Multi-hydraulic control circuit
US-10563674-B2 · Feb 18, 2020 · US
Pressure Control Valve
US-2019368553-A1 · Dec 5, 2019 · US
Hydraulic control system of automatic transmission for vehicle provided with idle stop and go system
US-10480643-B2 · Nov 19, 2019 · US
Pressure compensation unit
US-10422110-B2 · Sep 24, 2019 · US
Discharge pressure scale and lifting-lowering device having a discharge pressure scale of this type
US-2019249693-A1 · Aug 15, 2019 · US
Hydraulic valve with pressure limiter function
US-2019219073-A1 · Jul 18, 2019 · US
Hydraulic drive system for working machine including track device of crawler type
US-10287751-B2 · May 14, 2019 · US
Hydraulic drive apparatus for construction machine
US-10280589-B2 · May 7, 2019 · US
Working machine control system and lower pressure selection circuit
US-10273983-B2 · Apr 30, 2019 · US
Industrial vehicle
US-10247207-B2 · Apr 2, 2019 · US
Hydraulic drive system for construction machine
US-10215198-B2 · Feb 26, 2019 · US
Pressure peak reduction valve for excavator and pressure peak reduction system for excavator comprising same
US-10196797-B2 · Feb 5, 2019 · US
Load-dependent hydraulic fluid flow control system
US-2019024677-A1 · Jan 24, 2019 · US
Hydraulic driving device of work machine
US-10184228-B2 · Jan 22, 2019 · US
Valve components
US-10167881-B2 · Jan 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B13/026?
- CPC F15B13/026 is the Cooperative Patent Classification code for “Pressure compensating valves.”
- How many patents are filed under CPC F15B13/026 (Pressure compensating valves)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC F15B13/026 growing?
- Publication counts under this code: 13 in 2024 vs 8 in 2025 (latest complete years).