- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/26 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
Patent holdings for IPC class H05B 3/26
Total number of patents in this class: 989
10-year publication summary
|
88
|
78
|
91
|
93
|
95
|
84
|
80
|
105
|
70
|
41
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 2446 |
39 |
| Watlow Electric Manufacturing Company | 577 |
31 |
| NGK Insulators, Ltd. | 5200 |
29 |
| Webasto SE | 1191 |
29 |
| Nicoventures Trading Limited | 4760 |
27 |
| Philip Morris Products S.A. | 8232 |
26 |
| Canon Inc. | 44051 |
19 |
| Samsung Electronics Co., Ltd. | 158442 |
16 |
| Lexmark International, Inc. | 1530 |
14 |
| Dyson Technology Limited | 4016 |
13 |
| Lam Research Corporation | 5655 |
12 |
| Applied Materials, Inc. | 20467 |
11 |
| Kyocera Corporation | 14423 |
11 |
| Valeo Systemes Thermiques | 2821 |
11 |
| Denso Corporation | 25645 |
10 |
| Goodrich Corporation | 2178 |
10 |
| Hanon Systems | 2125 |
10 |
| LG Electronics Inc. | 75855 |
9 |
| Heraeus Noblelight GmbH | 123 |
9 |
| JT International S.A. | 2886 |
9 |
| Other owners | 644 |