Electromagnetic pressure reducing valve and fluid pressure control device including electromagnetic pressure reducing valve
US-2019376534-A1 · Dec 12, 2019 · US
the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence)
the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence) · 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 | F15B13/0433 |
| Official title | {the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence)} |
| Display label | the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence) |
| Total patents | 249 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 17 |
| 2018 | 13 |
| 2019 | 23 |
| 2020 | 21 |
| 2021 | 27 |
| 2022 | 32 |
| 2023 | 31 |
| 2024 | 30 |
| 2025 | 26 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic Fluid Circuit With Fixed Minimum Back Pressure
US-2019309771-A1 · Oct 10, 2019 · US
Fluid control device and method for operating a fluid control device
US-10428846-B2 · Oct 1, 2019 · US
Method for improving electro-hydraulic system response
US-10422358-B2 · Sep 24, 2019 · US
Hydraulic control valve with controlled flow and valve safety disable
US-10281934-B2 · May 7, 2019 · US
Construction machine
US-10273658-B2 · Apr 30, 2019 · US
Relay Valve and Force Balancing Method
US-2019101943-A1 · Apr 4, 2019 · US
Pneumatic servovalve assembly
US-2019048900-A1 · Feb 14, 2019 · US
Construction machine
US-2019040605-A1 · Feb 7, 2019 · US
Fluid control valve device
US-2018348797-A1 · Dec 6, 2018 · US
System for controlling the supply of hydraulic fluid to a work vehicle implement
US-10104826-B2 · Oct 23, 2018 · US
Hydraulic system
US-10107312-B2 · Oct 23, 2018 · US
Fluid Control Device and Method for Operating a Fluid Control Device
US-2018298923-A1 · Oct 18, 2018 · US
Semi-independent automated clutch system for a manual transmission
US-2018281591-A1 · Oct 4, 2018 · US
Flow control valve for construction equipment
US-10047769-B2 · Aug 14, 2018 · US
Closed loop and/or open loop control method for an electropneumatic field device
US-2018180069-A1 · Jun 28, 2018 · US
Split Spool Valve
US-2018156244-A1 · Jun 7, 2018 · US
Pre-tensioning-pre-twisting full-bridge 2D electro-hydraulic proportional directional valve
US-9970464-B1 · May 15, 2018 · US
Valve, in particular pilot-operated proportional pressure control valve
US-9915276-B2 · Mar 13, 2018 · US
Pilot pressure control system
US-9903098-B2 · Feb 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B13/0433?
- CPC F15B13/0433 is the Cooperative Patent Classification code for “the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence).”
- How many patents are filed under CPC F15B13/0433 (the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence))?
- Our database includes 249 publications tagged with this CPC code.
- Is patent activity under CPC F15B13/0433 growing?
- Publication counts under this code: 30 in 2024 vs 26 in 2025 (latest complete years).