- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 76
10-year publication summary
|
4
|
11
|
5
|
4
|
5
|
1
|
2
|
3
|
9
|
5
|
| 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. | 15750 |
3 |
| NGK Insulators, Ltd. | 5137 |
3 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 297 |
3 |
| Nippon Steel & Sumikin Texeng. Co., Ltd. | 11 |
3 |
| Showa Manufacturing Co., Ltd. | 9 |
3 |
| Applied Materials, Inc. | 19204 |
2 |
| Tokyo Electron Limited | 13108 |
2 |
| Corning Incorporated | 10383 |
2 |
| De Luca Oven Technologies, LLC | 21 |
2 |
| IHI Corporation | 3467 |
2 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
2 |
| Schunk Kohlenstofftechnik GmbH | 134 |
2 |
| Wagstaff, Inc. | 70 |
2 |
| Taylor Commercial Foodservice, LLC | 150 |
2 |
| ATG Co., Ltd. | 11 |
2 |
| Samsung Electronics Co., Ltd. | 148924 |
1 |
| Honeywell International Inc. | 13554 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8475 |
1 |
| Ibiden Co., Ltd. | 1713 |
1 |
| Other owners | 30 |