- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 6/26 - Crucible furnaces using vacuum or particular gas atmosphere
Patent holdings for IPC class H05B 6/26
Total number of patents in this class: 31
10-year publication summary
|
5
|
2
|
1
|
1
|
4
|
4
|
1
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ALD Vacuum Technologies GmbH | 141 |
6 |
| Inductotherm Corp. | 160 |
3 |
| Leco Corporation | 201 |
3 |
| Almex USA, Inc. | 21 |
2 |
| Qv Technologies Corp | 4 |
2 |
| General Electric Company | 17793 |
1 |
| Illinois Tool Works Inc. | 11413 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8482 |
1 |
| Battelle Energy Alliance, LLC | 570 |
1 |
| Consarc Corporation | 10 |
1 |
| Dyson Technology Limited | 3468 |
1 |
| JEOL Ltd. | 563 |
1 |
| Korea Institute of Industrial Technology | 1008 |
1 |
| Riken | 1688 |
1 |
| Sumco Corporation | 1123 |
1 |
| Tata Steel Nederland Technology BV | 149 |
1 |
| Vysoka Skola Banska - Technicka Univerzita Ostrava | 35 |
1 |
| GH Induction Atmospheres LLC | 4 |
1 |
| Ustav Materialov a Mechaniky Strojov Sav | 9 |
1 |
| Siemens Energy Global GmbH & Co. KG | 2861 |
1 |
| Other owners | 0 |