- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/68 - Heating arrangements specially adapted for cooking plates or analogous hot-plates
Patent holdings for IPC class H05B 3/68
Total number of patents in this class: 508
10-year publication summary
|
40
|
36
|
55
|
48
|
33
|
27
|
17
|
21
|
15
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19005 |
37 |
| LG Electronics Inc. | 73714 |
31 |
| Tokyo Electron Limited | 13008 |
28 |
| Whirlpool Corporation | 4440 |
25 |
| NGK Insulators, Ltd. | 5115 |
19 |
| BSH Hausgeräte GmbH | 5536 |
17 |
| Haier US Appliance Solutions, Inc. | 3722 |
16 |
| Watlow Electric Manufacturing Company | 579 |
10 |
| NHK Spring Co., Ltd. | 1905 |
9 |
| Samsung Electronics Co., Ltd. | 148077 |
8 |
| Lam Research Corporation | 5326 |
8 |
| BSH Bosch und Siemens Hausgerate GmbH | 2776 |
8 |
| Lexmark International, Inc. | 1650 |
7 |
| Eurokera S.N.C. | 152 |
7 |
| Electrolux Home Products Corporation N.V. | 731 |
6 |
| Spectrum Brands, Inc. | 891 |
6 |
| W.C. Bradley Co. | 257 |
6 |
| Kyocera Corporation | 13997 |
5 |
| BSH Home Appliances Corporation | 758 |
5 |
| E.G.O. Elektro-Geraetebau GmbH | 140 |
5 |
| Other owners | 245 |