- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/62 - Heating elements specially adapted for furnaces
Patent holdings for IPC class H05B 3/62
Total number of patents in this class: 75
10-year publication summary
|
4
|
11
|
6
|
4
|
7
|
1
|
2
|
3
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Leco Corporation | 201 |
7 |
| Sumitomo Electric Industries, Ltd. | 14972 |
3 |
| NGK Insulators, Ltd. | 4792 |
3 |
| IHI Corporation | 3359 |
3 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 294 |
3 |
| Nippon Steel & Sumikin Texeng. Co., Ltd. | 11 |
3 |
| Showa Manufacturing Co., Ltd. | 9 |
3 |
| Tokyo Electron Limited | 12115 |
2 |
| Corning Incorporated | 10125 |
2 |
| De Luca Oven Technologies, LLC | 26 |
2 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
2 |
| Schunk Kohlenstofftechnik GmbH | 129 |
2 |
| Wagstaff, Inc. | 67 |
2 |
| Taylor Commercial Foodservice, LLC | 147 |
2 |
| ATG Co., Ltd. | 9 |
2 |
| Samsung Electronics Co., Ltd. | 139001 |
1 |
| Applied Materials, Inc. | 17745 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8482 |
1 |
| Ibiden Co., Ltd. | 1736 |
1 |
| Arcelik A.S. | 3527 |
1 |
| Other owners | 29 |