Pressure regulating valve
US-2025334194-A1 · Oct 30, 2025 · US
Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing · 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 | F02M63/004 |
| Official title | {Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing} |
| Display label | Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 5 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Proportional force modification of passive spool for control of secondary nozzle circuits
US-12313004-B2 · May 27, 2025 · US
Proportional force modification of passive spool for control of secondary nozzle circuits
US-2024068408-A1 · Feb 29, 2024 · US
Control valve assembly and method of manufacturing thereof
US-11506164-B2 · Nov 22, 2022 · US
Methods and systems for a fuel injector
US-11293392-B2 · Apr 5, 2022 · US
Metering valve for a pump unit for feeding fuel to internal combustion engine and pump unit comprising such a valve
US-11073119-B2 · Jul 27, 2021 · US
Fuel pump for pressurizing low pressure fuel suctioned into a pressurizing chamber and discharging high pressure fuel pressurized in the pressurizing chamber
US-10890177-B2 · Jan 12, 2021 · US
Metering valve for a pump unit for feeding fuel to internal combustion engine and pump unit comprising such a valve
US-2020332752-A1 · Oct 22, 2020 · US
Methods and systems for a fuel injector
US-2020263649-A1 · Aug 20, 2020 · US
Control valve assembly and method of manufacturing thereof
US-2020003171-A1 · Jan 2, 2020 · US
Control valve assembly and fuel injector incorporating a control valve assembly
US-10267279-B2 · Apr 23, 2019 · US
Fuel pump
US-2019107106-A1 · Apr 11, 2019 · US
Fuel metering valve and method of managing fuel in a metering valve
US-9739203-B2 · Aug 22, 2017 · US
Two stage valve with conical seat for flow shut-off and spool knife edge for metering flow control
US-9732715-B2 · Aug 15, 2017 · US
Injector cavitation detection test
US-9709012-B2 · Jul 18, 2017 · US
Fuel metering unit for a fuel metering unit for a high-pressure fuel pump, and high-pressure fuel pump
US-9644588-B2 · May 9, 2017 · US
Two stage valve with conical seat for flow shut-off and spool knife edge for metering flow control
US-2017022952-A1 · Jan 26, 2017 · US
Valve assembly
US-9512800-B2 · Dec 6, 2016 · US
Pressure regulating valve
US-9500171-B2 · Nov 22, 2016 · US
Locating pin
US-9488142-B2 · Nov 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M63/004?
- CPC F02M63/004 is the Cooperative Patent Classification code for “Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing.”
- How many patents are filed under CPC F02M63/004 (Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F02M63/004 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).