- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 7/144 - Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
Patent holdings for IPC class H05B 7/144
Total number of patents in this class: 82
10-year publication summary
|
6
|
2
|
3
|
9
|
6
|
6
|
9
|
6
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hatch Ltd. | 219 |
15 |
| Danieli Automation SpA | 109 |
12 |
| ABB Schweiz AG | 6321 |
9 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
5 |
| Primetals Technologies Germany GmbH | 180 |
5 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
5 |
| Maschinenfabrik Reinhausen GmbH | 749 |
4 |
| Siemens AG | 24990 |
3 |
| GrafTech International Holdings Inc. | 108 |
2 |
| Titanium Metals Corporation | 80 |
2 |
| AMI International S.A.P.I. de C.V. | 32 |
2 |
| ALD Vacuum Technologies GmbH | 138 |
1 |
| Canon Anelva Corporation | 676 |
1 |
| Chemfilt Ionsputtering Aktiebolag | 1 |
1 |
| Cisdi Engineering Co., Ltd. | 86 |
1 |
| Galaxy, LLC | 1 |
1 |
| Heatworks Technologies, Inc. | 14 |
1 |
| Institut National Polytechnique de Toulouse | 199 |
1 |
| JP Steel Plantech Co. | 80 |
1 |
| SMS Group GmbH | 1029 |
1 |
| Other owners | 9 |