- 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: 90
10-year publication summary
|
2
|
3
|
9
|
6
|
6
|
9
|
6
|
5
|
10
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli Automation SpA | 122 |
19 |
| Hatch Ltd. | 213 |
11 |
| ABB Schweiz AG | 6912 |
9 |
| Primetals Technologies Germany GmbH | 203 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
5 |
| Siemens Energy Global GmbH & Co. KG | 2934 |
5 |
| Maschinenfabrik Reinhausen GmbH | 745 |
4 |
| Siemens AG | 24552 |
3 |
| SMS Group S.p.A. | 37 |
3 |
| GrafTech International Holdings Inc. | 112 |
2 |
| Titanium Metals Corporation | 81 |
2 |
| AMI International S.A.P.I. de C.V. | 39 |
2 |
| ALD Vacuum Technologies GmbH | 138 |
1 |
| Badische Stahl Engineering GmbH, | 5 |
1 |
| Canon Anelva Corporation | 686 |
1 |
| Cisdi Engineering Co., Ltd. | 99 |
1 |
| Daido Steel Co., Ltd. | 268 |
1 |
| Galaxy, LLC | 1 |
1 |
| Heatworks Technologies, Inc. | 13 |
1 |
| Institut National Polytechnique de Toulouse | 203 |
1 |
| Other owners | 11 |