- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 527
10-year publication summary
|
45
|
42
|
36
|
55
|
51
|
35
|
30
|
16
|
23
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 16587 |
37 |
| Tokyo Electron Limited | 11599 |
30 |
| LG Electronics Inc. | 69257 |
27 |
| Whirlpool Corporation | 4238 |
25 |
| NGK Insulators, Ltd. | 4589 |
23 |
| BSH Hausgeräte GmbH | 5384 |
18 |
| Haier US Appliance Solutions, Inc. | 3178 |
14 |
| Watlow Electric Manufacturing Company | 569 |
11 |
| Lam Research Corporation | 4775 |
10 |
| NHK Spring Co., Ltd. | 1657 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| Kyocera Corporation | 12735 |
8 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
8 |
| Lexmark International, Inc. | 1793 |
7 |
| E.G.O. Elektro-Geraetebau GmbH | 123 |
7 |
| Eurokera S.N.C. | 158 |
7 |
| Screen Semiconductor Solutions Co., Ltd. | 100 |
7 |
| Spectrum Brands, Inc. | 916 |
7 |
| Electrolux Home Products Corporation N.V. | 779 |
6 |
| Electrolux Home Products, Inc. | 1220 |
6 |
| Other owners | 252 |