- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 7/148 - Automatic control of power
Patent holdings for IPC class H05B 7/148
Total number of patents in this class: 75
10-year publication summary
|
8
|
6
|
7
|
6
|
6
|
3
|
7
|
2
|
3
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hatch Ltd. | 219 |
10 |
| Primetals Technologies Germany GmbH | 180 |
7 |
| Siemens AG | 24990 |
6 |
| Danieli Automation SpA | 109 |
6 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
4 |
| ABB Schweiz AG | 6321 |
3 |
| ALD Vacuum Technologies GmbH | 138 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
3 |
| GrafTech International Holdings Inc. | 108 |
3 |
| A. Finkl & Sons Co. | 85 |
2 |
| Mintek | 48 |
2 |
| SMS Demag AG | 171 |
2 |
| SMS Group GmbH | 1029 |
2 |
| SMS Siemag Aktiengesellschaft | 529 |
2 |
| Resonac Graphite Germany GmbH | 10 |
2 |
| Gyrus ACMI, Inc. | 1071 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Alcoa Inc. | 323 |
1 |
| Elkem AS | 66 |
1 |
| Haier US Appliance Solutions, Inc. | 3178 |
1 |
| Other owners | 13 |