- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27D - Details or accessories of furnaces, kilns, ovens, or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 11/08 - Heating by electric discharge, e.g. arc discharge
Patent holdings for IPC class F27D 11/08
Total number of patents in this class: 130
10-year publication summary
|
14
|
10
|
16
|
25
|
8
|
12
|
9
|
10
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hatch Ltd. | 219 |
8 |
| Danieli Automation SpA | 109 |
6 |
| H.C. Starck Solutions Coldwater, LLC | 31 |
6 |
| Amerifab, Inc. | 50 |
5 |
| Systems Spray Cooled, Inc. | 46 |
5 |
| Titanium Metals Corporation | 80 |
4 |
| Panasonic Corporation | 20786 |
3 |
| Alu Innovation AS | 7 |
3 |
| Daido Steel Co., Ltd. | 237 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
3 |
| GrafTech International Holdings Inc. | 108 |
3 |
| Outotec (Finland) Oy | 491 |
3 |
| Toho Titanium Co., Ltd. | 249 |
3 |
| KW Associates LLC | 13 |
3 |
| Metso Metals Oy | 205 |
3 |
| Academia Sinica | 888 |
2 |
| Digimet 2013, S.L. | 5 |
2 |
| Heraeus Electro-Nite International N.V. | 211 |
2 |
| IHI Corporation | 3268 |
2 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
2 |
| Other owners | 59 |