- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 7/144 - Power supplies specially adapted for heating by electric dischargeAutomatic control of power, e.g. by positioning of electrodes
Patent holdings for IPC class H05B 7/144
Total number of patents in this class: 91
10-year publication summary
|
3
|
9
|
6
|
6
|
9
|
6
|
5
|
11
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli Automation SpA | 127 |
20 |
| ABB Schweiz AG | 7491 |
11 |
| Hatch Ltd. | 221 |
7 |
| Primetals Technologies Germany GmbH | 214 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
5 |
| Siemens Energy Global GmbH & Co. KG | 3281 |
5 |
| Maschinenfabrik Reinhausen GmbH | 662 |
4 |
| SMS Group S.p.A. | 42 |
4 |
| Siemens AG | 24177 |
3 |
| Titanium Metals Corporation | 83 |
2 |
| AMI International S.A.P.I. de C.V. | 46 |
2 |
| ALD Vacuum Technologies GmbH | 139 |
1 |
| ArcelorMittal | 2554 |
1 |
| Badische Stahl Engineering GmbH, | 5 |
1 |
| Canon Anelva Corporation | 687 |
1 |
| Cisdi Engineering Co., Ltd. | 104 |
1 |
| Daido Steel Co., Ltd. | 280 |
1 |
| Galaxy, LLC | 1 |
1 |
| GrafTech International Holdings Inc. | 111 |
1 |
| Heatworks Technologies, Inc. | 13 |
1 |
| Other owners | 13 |