Fuel preheater
US-2026002669-A1 · Jan 1, 2026 · US
Supply line arrangements
Supply line arrangements · 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 | F23K2400/20 |
| Official title | Supply line arrangements |
| Display label | Supply line arrangements |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel connection unit
US-11479084-B2 · Oct 25, 2022 · US
Fuel connection unit
US-11358439-B2 · Jun 14, 2022 · US
Dynamic multi-legs ejector for use in emergency flare gas recovery system
US-11092334-B2 · Aug 17, 2021 · US
Damper for a fuel delivery system
US-10808788-B2 · Oct 20, 2020 · US
Burner assembly
US-2020300459-A1 · Sep 24, 2020 · US
Venturi nozzle and fuel supply device comprising venturi nozzle for controlling a ratio between a fuel gas and an air flow
US-10539323-B2 · Jan 21, 2020 · US
Fuel connection unit
US-2020009942-A1 · Jan 9, 2020 · US
Dynamic multi-legs ejector for use in emergency flare gas recovery system
US-2020011530-A1 · Jan 9, 2020 · US
Water heater
US-10480821-B2 · Nov 19, 2019 · US
Gas-supply connection assembly, a method of connecting a gas supply line to a gas inlet port, and a gas cooking appliance
US-10451286-B2 · Oct 22, 2019 · US
Dynamic multi-legs ejector for use in emergency flare gas recovery system
US-10429067-B2 · Oct 1, 2019 · US
Safety valve
US-10422432-B2 · Sep 24, 2019 · US
Low-noise decompression device and combustion device
US-10352339-B2 · Jul 16, 2019 · US
Fuel connection unit
US-2019105965-A1 · Apr 11, 2019 · US
Venturi nozzle and fuel supply device comprising venturi nozzle
US-2019017700-A1 · Jan 17, 2019 · US
Damper for a fuel delivery system
US-2018291976-A1 · Oct 11, 2018 · US
Safety valve
US-2018252319-A1 · Sep 6, 2018 · US
Water heater
US-2018187921-A1 · Jul 5, 2018 · US
Dynamic Multi-Legs Ejector For Use In Emergency Flare Gas Recovery System
US-2018149357-A1 · May 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23K2400/20?
- CPC F23K2400/20 is the Cooperative Patent Classification code for “Supply line arrangements.”
- How many patents are filed under CPC F23K2400/20 (Supply line arrangements)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F23K2400/20 growing?
- Publication counts under this code: 1 in 2021 vs 2 in 2022 (latest complete years).