Blast lance for gas blowing, its use and method of production
US-12529521-B2 · Jan 20, 2026 · US
through a lance
through a lance · 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 | F27D2003/168 |
| Official title | {through a lance} |
| Display label | through a lance |
| Total patents | 36 |
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 | 2 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Smelting unit for steel production with a tap weight of between 60 t and 350 t
US-2025043370-A1 · Feb 6, 2025 · US
Injector
US-11993847-B2 · May 28, 2024 · US
Lance nozzle
US-11959147-B2 · Apr 16, 2024 · US
Refining method of molten iron and manufacturing method of molten steel using same
US-2024068060-A1 · Feb 29, 2024 · US
Pipe flange coupling device, a pipe assembly and a top-submerged-lance (TSL) system
US-11835160-B2 · Dec 5, 2023 · US
Blast furnace for ironmaking production
US-2023366047-A1 · Nov 16, 2023 · US
Lance for blowing oxygen in steelmaking
US-2023366052-A1 · Nov 16, 2023 · US
Method for simultaneously injecting a fuel gas and an oxygen-rich gas into a unit
US-2023279516-A1 · Sep 7, 2023 · US
Blast lance for gas blowing, its use and method of production
US-2023228491-A1 · Jul 20, 2023 · US
Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick
US-11667982-B2 · Jun 6, 2023 · US
Pipe flange coupling device, a pipe assembly and a top-submerged-lance (tsl) system
US-2022364661-A1 · Nov 17, 2022 · US
Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick
US-2022235427-A1 · Jul 28, 2022 · US
Lance nozzle
US-2022154299-A1 · May 19, 2022 · US
Tuyere for a basic oxygen furnace
US-11155890-B2 · Oct 26, 2021 · US
Injector
US-2021207270-A1 · Jul 8, 2021 · US
Tuyere for a basic oxygen furnace
US-2021017616-A1 · Jan 21, 2021 · US
Method for operating melting/refining furnace and melting-refining furnace
US-2020165692-A1 · May 28, 2020 · US
Apparatus for refining molten aluminum alloys
US-10393439-B2 · Aug 27, 2019 · US
Lance and method for determining reaction data of the course of a reaction
US-10126286-B2 · Nov 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D2003/168?
- CPC F27D2003/168 is the Cooperative Patent Classification code for “through a lance.”
- How many patents are filed under CPC F27D2003/168 (through a lance)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F27D2003/168 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).