Hydraulic valve apparatus
US-2025327276-A1 · Oct 23, 2025 · US
Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,} F15B15/00 take precedence){; Valves for servomotor systems}
Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,} F15B15/00 take precedence){; Valves for servomotor systems} · 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 | F15B13/00 |
| Official title | Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,} F15B15/00 take precedence){; Valves for servomotor systems} |
| Display label | Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,} F15B15/00 take precedence){; Valves for servomotor systems} |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric fluid pressure cylinder and moving structure body
US-12098734-B2 · Sep 24, 2024 · US
Working fluid supply system
US-12038001-B2 · Jul 16, 2024 · US
Actuator
US-11906056-B2 · Feb 20, 2024 · US
Electric fluid pressure cylinder and moving structure body
US-2023193930-A1 · Jun 22, 2023 · US
Arrangement and method for controlling at least one operation of a work machine and work machine
US-2023184270-A1 · Jun 15, 2023 · US
Working fluid supply system
US-2022389944-A1 · Dec 8, 2022 · US
Dual margin priority circuit for increased steering capacity
US-11358631-B2 · Jun 14, 2022 · US
Hydraulic system
US-11204121-B2 · Dec 21, 2021 · US
Proportional flow control valve with counterbalance valve integrated therewith
US-10969800-B2 · Apr 6, 2021 · US
Nozzle with locking nut
US-10927859-B2 · Feb 23, 2021 · US
Electrohydraulic valve and method for producing the electrohydraulic valve
US-10900388-B2 · Jan 26, 2021 · US
Proportional Flow Control Valve with Counterbalance Valve Integrated Therewith
US-2020393855-A1 · Dec 17, 2020 · US
Hydrostatic valve arrangement, hydrostatic gear having the valve arrangement, and hydrostatic drive having the gear
US-10808838-B2 · Oct 20, 2020 · US
Method for manufacturing a three-dimensional product
US-10780626-B2 · Sep 22, 2020 · US
Reverse flow check valve in hydraulic valve with series circuit
US-10619750-B2 · Apr 14, 2020 · US
Actuator
US-2020088218-A1 · Mar 19, 2020 · US
Longitudinally adjustable connecting rod
US-10570818-B2 · Feb 25, 2020 · US
Electrohydraulic valve and method for producing the electrohydraulic valve
US-10526931-B2 · Jan 7, 2020 · US
Hydraulic System
US-2019353289-A1 · Nov 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B13/00?
- CPC F15B13/00 is the Cooperative Patent Classification code for “Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,} F15B15/00 take precedence){; Valves for servomotor systems}.”
- How many patents are filed under CPC F15B13/00 (Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,} F15B15/00 take precedence){; Valves for servomotor systems})?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F15B13/00 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).