Fuel filter device
US-11168655-B2 · Nov 9, 2021 · US
Filters structurally associated with fuel valves
Filters structurally associated with fuel valves · 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 | F02M37/48 |
| Official title | Filters structurally associated with fuel valves |
| Display label | Filters structurally associated with fuel valves |
| Total patents | 107 |
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 | 9 |
| 2018 | 12 |
| 2019 | 7 |
| 2020 | 13 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel filter assembly
US-2021299597-A1 · Sep 30, 2021 · US
Filter Assembly With an Inner Filter Element With a Top Rib
US-2021291084-A1 · Sep 23, 2021 · US
Fuel supply device
US-2021108600-A1 · Apr 15, 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
Filter Element of a Filter for Liquid, Drain Closure Element for a Drain Opening in a Filter Housing, Housing Part of a Filter Housing and Filter
US-2020384391-A1 · Dec 10, 2020 · US
Fuel injector with combined calibration tube, fuel filter, and pressure pulsation damping orifice
US-10859051-B2 · Dec 8, 2020 · US
Trv shutoff valve
US-2020325864-A1 · Oct 15, 2020 · US
Recirculation Module and Fuel Prefilter Unit
US-2020325863-A1 · Oct 15, 2020 · US
Filter assembly for fuel injectors
US-10767614-B2 · Sep 8, 2020 · US
Integrated module with stage one and stage two filters combined in single housing
US-2020246737-A1 · Aug 6, 2020 · US
Filter device
US-2020188822-A1 · Jun 18, 2020 · US
Filter assembly for fuel injectors
US-2020132030-A1 · Apr 30, 2020 · US
Compact double shut-off valve
US-2020116265-A1 · Apr 16, 2020 · US
Fuel-injection valve
US-2020109688-A1 · Apr 9, 2020 · US
Filter Assembly With an Inner Filter Element With a Top Rib
US-2020094172-A1 · Mar 26, 2020 · US
Variable fluid flow apparatus with integrated filter
US-10598139-B2 · Mar 24, 2020 · US
Compact double shut-off valve
US-10533670-B2 · Jan 14, 2020 · US
No filter no run fluid filtration system
US-10518200-B2 · Dec 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M37/48?
- CPC F02M37/48 is the Cooperative Patent Classification code for “Filters structurally associated with fuel valves.”
- How many patents are filed under CPC F02M37/48 (Filters structurally associated with fuel valves)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC F02M37/48 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).