Fuel filter device
US-11168655-B2 · Nov 9, 2021 · US
Filters structurally associated with pressure regulators
Filters structurally associated with pressure regulators · 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 | F02M37/46 |
| Official title | Filters structurally associated with pressure regulators |
| Display label | Filters structurally associated with pressure regulators |
| Total patents | 74 |
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 | 4 |
| 2016 | 13 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 2 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter pulsation dampening device
US-11130082-B2 · Sep 28, 2021 · US
High pressure fuel pump and fuel supply system
US-2021254588-A1 · Aug 19, 2021 · US
Systems and methods for predicting engine fuel filtration system service cycle
US-2021180532-A1 · Jun 17, 2021 · US
High pressure fuel pump and fuel supply system
US-11028809-B2 · Jun 8, 2021 · US
Filter pulsation dampening device
US-2021138371-A1 · May 13, 2021 · US
Fuel pump module
US-2021095625-A1 · Apr 1, 2021 · US
Using a passive separator to separate air and fuel of a fuel mixture passively when delivering fuel to a combustion engine of an unmanned aerial vehicle
US-10934012-B2 · Mar 2, 2021 · US
Filter device, in particular liquid filter
US-10898833-B2 · Jan 26, 2021 · US
Pressure regulating valve
US-10788137-B2 · Sep 29, 2020 · US
Fuel pressure regulator and fuel filter assembly
US-10662912-B2 · May 26, 2020 · US
Fuel filter
US-2019331072-A1 · Oct 31, 2019 · US
Liquid filtering device
US-10456716-B2 · Oct 29, 2019 · US
Fuel supply device
US-10443552-B2 · Oct 15, 2019 · US
Pressure Regulating Valve
US-2019257437-A1 · Aug 22, 2019 · US
Fuel Pressure Regulator And Fuel Filter Assembly
US-2019242342-A1 · Aug 8, 2019 · US
Fuel filter
US-10371108-B2 · Aug 6, 2019 · US
Liquid and vapor separator
US-2019178212-A1 · Jun 13, 2019 · US
Filtering device
US-10267276-B2 · Apr 23, 2019 · US
Filter pre-fill detection system and method
US-10190508-B2 · Jan 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M37/46?
- CPC F02M37/46 is the Cooperative Patent Classification code for “Filters structurally associated with pressure regulators.”
- How many patents are filed under CPC F02M37/46 (Filters structurally associated with pressure regulators)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC F02M37/46 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).