Fluid injection systems having fluid line purging
US-11156163-B2 · Oct 26, 2021 · US
characterised by variable fuel pump output
characterised by variable fuel pump output · 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 | F02C9/30 |
| Official title | characterised by variable fuel pump output |
| Display label | characterised by variable fuel pump output |
| Total patents | 171 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 15 |
| 2021 | 10 |
| 2022 | 21 |
| 2023 | 25 |
| 2024 | 29 |
| 2025 | 32 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas turbine engine fuel control system and method
US-2021277837-A1 · Sep 9, 2021 · US
Metering pump system
US-2021239054-A1 · Aug 5, 2021 · US
Fuel systems having reduced bypass flow
US-11060461-B2 · Jul 13, 2021 · US
Systems and methods for power transfer in cryogenic fuel applications
US-2021207537-A1 · Jul 8, 2021 · US
Fluid injection systems having fluid line purging
US-2021102495-A1 · Apr 8, 2021 · US
Feedforward control of a fuel supply circuit of a turbomachine
US-2021010430-A1 · Jan 14, 2021 · US
Modulating fuel for a turbine engine
US-2021010429-A1 · Jan 14, 2021 · US
Fluid supply system for turbine engine, including an adjustable flow pump and a fluid metering device
US-10890117-B2 · Jan 12, 2021 · US
Fuel supply control device
US-2020400074-A1 · Dec 24, 2020 · US
Fuel delivery system for gas turbine engine
US-2020340411-A1 · Oct 29, 2020 · US
Fuel supply control device
US-2020340408-A1 · Oct 29, 2020 · US
Rotodynamic pump and method
US-2020318644-A1 · Oct 8, 2020 · US
Fuel supply device
US-2020300170-A1 · Sep 24, 2020 · US
Rotodynamic pump and method
US-2020300179-A1 · Sep 24, 2020 · US
Variable transmission driven fuel pump for a gas turbine engine
US-2020300180-A1 · Sep 24, 2020 · US
Aircraft engine fuel system and method
US-2020284205-A1 · Sep 10, 2020 · US
Aircraft systems and methods utilizing waste heat in fuel
US-2020191057-A1 · Jun 18, 2020 · US
Fuel systems having reduced bypass flow
US-2020191058-A1 · Jun 18, 2020 · US
Fuel pump override control method
US-2020164999-A1 · May 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C9/30?
- CPC F02C9/30 is the Cooperative Patent Classification code for “characterised by variable fuel pump output.”
- How many patents are filed under CPC F02C9/30 (characterised by variable fuel pump output)?
- Our database includes 171 publications tagged with this CPC code.
- Is patent activity under CPC F02C9/30 growing?
- Publication counts under this code: 29 in 2024 vs 32 in 2025 (latest complete years).