- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 7/20 - Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated
Patent holdings for IPC class H05B 7/20
Total number of patents in this class: 55
10-year publication summary
|
3
|
3
|
10
|
5
|
1
|
7
|
1
|
6
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Titanium Metals Corporation | 80 |
5 |
| Danieli Automation SpA | 128 |
4 |
| Primetals Technologies Germany GmbH | 224 |
3 |
| A. Finkl & Sons Co. | 81 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 719 |
2 |
| Nortek Air Solutions Canada, Inc. | 125 |
2 |
| POSCO Co., Ltd. | 2021 |
2 |
| ThyssenKrupp Steel Europe AG | 995 |
2 |
| Systems Spray-Cooled, LLC | 32 |
2 |
| Illinois Tool Works Inc. | 11862 |
1 |
| Siemens AG | 23996 |
1 |
| University of Florida Research Foundation, Inc. | 4188 |
1 |
| Alu Innovation AS | 6 |
1 |
| Commercial Metals Company | 40 |
1 |
| Eberspacher catem GmbH & Co. KG | 102 |
1 |
| ECM Technologies | 36 |
1 |
| Foret Plasma Labs, LLC | 64 |
1 |
| GrafTech International Holdings Inc. | 111 |
1 |
| Hatch Ltd. | 221 |
1 |
| Hyundai Steel Company | 539 |
1 |
| Other owners | 20 |