- 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: 68
10-year publication summary
|
15
|
4
|
11
|
6
|
4
|
7
|
1
|
2
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Leco Corporation | 200 |
7 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| NGK Insulators, Ltd. | 4589 |
3 |
| IHI Corporation | 3268 |
3 |
| Nippon Steel & Sumikin Texeng. Co., Ltd. | 11 |
3 |
| Showa Manufacturing Co., Ltd. | 9 |
3 |
| Corning Incorporated | 9932 |
2 |
| Ibiden Co., Ltd. | 1724 |
2 |
| De Luca Oven Technologies, LLC | 30 |
2 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
2 |
| Schunk Kohlenstofftechnik GmbH | 126 |
2 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 294 |
2 |
| Taylor Commercial Foodservice, LLC | 141 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Tokyo Electron Limited | 11599 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
1 |
| Arcelik A.S. | 3617 |
1 |
| The Doshisha | 229 |
1 |
| Eisenmann SE | 154 |
1 |
| Other owners | 25 |