Tuyere for a basic oxygen furnace
US-2021017616-A1 · Jan 21, 2021 · US
Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14)
Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14) · 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 | F27D27/00 |
| Official title | Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14) |
| Display label | Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14) |
| Total patents | 98 |
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 | 6 |
| 2016 | 15 |
| 2017 | 16 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 4 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Advanced material for molten metal processing equipment
US-10809005-B2 · Oct 20, 2020 · US
Chaotic stirring device and method combining plasma arc smelting and permanent magnet
US-2020263926-A1 · Aug 20, 2020 · US
Rotary degassers and components therefor
US-10570745-B2 · Feb 25, 2020 · US
Liquid lithium supply and regulation
US-2020002153-A1 · Jan 2, 2020 · US
Furnace Assembly For A Metal-Making Process
US-2019390908-A1 · Dec 26, 2019 · US
Dual-function impeller for a rotary injector
US-10465987-B2 · Nov 5, 2019 · US
Hot melt adhesive supply and methods associated therewith
US-2019299242-A1 · Oct 3, 2019 · US
Oxy-Fuel Combustion System and Method for Melting a Pelleted Charge Material
US-2019293351-A1 · Sep 26, 2019 · US
Apparatus for refining molten aluminum alloys
US-10393439-B2 · Aug 27, 2019 · US
Scrap submergence device
US-2019226764-A1 · Jul 25, 2019 · US
Hot melt adhesive supply and methods associated therewith
US-10357796-B2 · Jul 23, 2019 · US
Ultrasonic Probes with Gas Outlets for Degassing of Molten Metals
US-2019185961-A1 · Jun 20, 2019 · US
Ultrasonic probes with gas outlets for degassing of molten metals
US-10316387-B2 · Jun 11, 2019 · US
Metallurgical apparatus
US-10215495-B2 · Feb 26, 2019 · US
System and method for determining temperature of a metal melt in an electric arc furnace
US-10190825-B2 · Jan 29, 2019 · US
Molten iron refining method and device thereof
US-10077482-B2 · Sep 18, 2018 · US
Molten metal scrap submergence apparatus
US-9920992-B2 · Mar 20, 2018 · US
Continuous casting device for slab comprising titanium or titanium alloy
US-9908174-B2 · Mar 6, 2018 · US
Metal molded body manufacturing apparatus by electromagnetic stirring
US-2018029111-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D27/00?
- CPC F27D27/00 is the Cooperative Patent Classification code for “Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14).”
- How many patents are filed under CPC F27D27/00 (Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14))?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC F27D27/00 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).