- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/64 - Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
Patent holdings for IPC class H05B 3/64
Total number of patents in this class: 57
10-year publication summary
|
1
|
7
|
4
|
3
|
4
|
6
|
2
|
7
|
6
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Drever International S.A. | 14 |
4 |
| Agc, Inc. | 5502 |
4 |
| Philergos Group Foundation | 13 |
4 |
| Kanthal AB | 114 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
2 |
| Ebner Industrieofenbau GmbH | 142 |
2 |
| Kanken Techno Co., Ltd. | 70 |
2 |
| Sandvik Intellectual Property AB | 1398 |
2 |
| Illinois Tool Works Inc. | 11858 |
1 |
| LG Electronics Inc. | 75654 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
1 |
| NGK Insulators, Ltd. | 5232 |
1 |
| C.A. Litzler Co. Inc. | 4 |
1 |
| Forschungszentrum Julich GmbH | 633 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1449 |
1 |
| IHI Corporation | 3532 |
1 |
| IHI Machinery and Furnace Co., Ltd. | 76 |
1 |
| Industry Foundation of Chonnam National University | 674 |
1 |
| Ivoclar Vivadent AG | 1047 |
1 |
| JX Nippon Mining & Metals Corporation | 1461 |
1 |
| Other owners | 22 |