Methods of protecting furnace electrodes with cooling liquid that contains an additive
US-2021400779-A1 · Dec 23, 2021 · US
Heating by electric discharge, e.g. arc discharge
Heating by electric discharge, e.g. arc discharge · 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 | F27D11/08 |
| Official title | Heating by electric discharge, e.g. arc discharge |
| Display label | Heating by electric discharge, e.g. arc discharge |
| Total patents | 82 |
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 | 7 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 17 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of protecting furnace electrodes with cooling liquid that contains an additive
US-11140755-B2 · Oct 5, 2021 · US
Flicker control for electric arc furnace
US-11122654-B2 · Sep 14, 2021 · US
Sintering furnace for components made of sintered material, in particular, dental components
US-10948235-B2 · Mar 16, 2021 · US
Plasma furnace
US-10861613-B2 · Dec 8, 2020 · US
Integrated Flicker Control For Arc Furnace
US-2020326129-A1 · Oct 15, 2020 · US
Methods of protecting furnace electrodes with cooling liquid that contains an additive
US-2020275535-A1 · Aug 27, 2020 · US
Chaotic stirring device and method combining plasma arc smelting and permanent magnet
US-2020263926-A1 · Aug 20, 2020 · US
Fabrication of metallic parts by additive manufacturing
US-10730089-B2 · Aug 4, 2020 · US
Methods of protecting furnace electrodes with cooling liquid that contains an additive
US-10694592-B1 · Jun 23, 2020 · US
Methods of protecting furnace electrodes with cooling liquid that contains an additive
US-2020196404-A1 · Jun 18, 2020 · US
Device and Method for Plasma Arc Melting through Magnetostatic Soft-Contact Stirring and Compounding
US-2020084843-A1 · Mar 12, 2020 · US
Method and device for detecting a leakage in the area of at least one cooling device of a furnace and a furnace
US-10563922-B2 · Feb 18, 2020 · US
Open arc condition mitigation based on measurement
US-2020041208-A1 · Feb 6, 2020 · US
Power supply for a non-linear load with multilevel matrix converters
US-10470259-B2 · Nov 5, 2019 · US
Recombinant virus, composition comprising the same, and uses thereof
US-2019328863-A1 · Oct 31, 2019 · US
Method and arrangement for measurement of electrode paste in an electrode column of an electric arc furnace
US-10401090-B2 · Sep 3, 2019 · US
Device for measuring the temperature of a molten metal
US-10378824-B2 · Aug 13, 2019 · US
Fault diagnosis device based on common information and special information of running video information for electric-arc furnace and method thereof
US-10345046-B2 · Jul 9, 2019 · US
Electric arc furnace
US-10234206-B2 · Mar 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D11/08?
- CPC F27D11/08 is the Cooperative Patent Classification code for “Heating by electric discharge, e.g. arc discharge.”
- How many patents are filed under CPC F27D11/08 (Heating by electric discharge, e.g. arc discharge)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC F27D11/08 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).