Hydraulic system and emergency operation method
US-10995778-B2 · May 4, 2021 · US
Electrical failure
Electrical failure · 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 | F15B20/002 |
| Official title | {Electrical failure} |
| Display label | Electrical failure |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 17 |
| 2022 | 14 |
| 2023 | 14 |
| 2024 | 5 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Failsafe Electro-hydraulic Servo Valve
US-2021123458-A1 · Apr 29, 2021 · US
Actuator control arrangement
US-2021018020-A1 · Jan 21, 2021 · US
Hydraulic system
US-10837473-B2 · Nov 17, 2020 · US
Distributed trailing edge wing flap systems
US-10829203-B2 · Nov 10, 2020 · US
Hydraulic system for an agricultural implement incorporating an implement-based override valve
US-10820471-B2 · Nov 3, 2020 · US
Hydraulic system and emergency operation method
US-2020309166-A1 · Oct 1, 2020 · US
Spool valve device and spool valve
US-2020292100-A1 · Sep 17, 2020 · US
Actuator control valve arrangement
US-2020255126-A1 · Aug 13, 2020 · US
Actuator control valve arrangement
US-2020255125-A1 · Aug 13, 2020 · US
Steam valve driving apparatus
US-2020256479-A1 · Aug 13, 2020 · US
Emergency manual parachute operation system
US-2020130852-A1 · Apr 30, 2020 · US
Fail-fixed hydraulic actuator
US-10619654-B2 · Apr 14, 2020 · US
Electro hydrostatic actuators
US-10611464-B2 · Apr 7, 2020 · US
Apparatus for controlling a hydraulic machine
US-2020096015-A1 · Mar 26, 2020 · US
Hydraulic system for an agricultural implement incorporating an implement-based override valve
US-2020060064-A1 · Feb 27, 2020 · US
Waterproof manifold electromagnetic valve
US-2020049169-A1 · Feb 13, 2020 · US
Near synchronous distributed hydraulic motor driven actuation system
US-10538310-B2 · Jan 21, 2020 · US
Electro hydrostatic actuator
US-10539131-B2 · Jan 21, 2020 · US
Hydraulic energy regeneration system for work machine
US-10526768-B2 · Jan 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B20/002?
- CPC F15B20/002 is the Cooperative Patent Classification code for “Electrical failure.”
- How many patents are filed under CPC F15B20/002 (Electrical failure)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC F15B20/002 growing?
- Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).