- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
Patent holdings for IPC class H05B 3/14
Total number of patents in this class: 1630
10-year publication summary
|
126
|
139
|
144
|
147
|
159
|
153
|
143
|
114
|
135
|
148
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5146 |
66 |
| Goodrich Corporation | 2186 |
36 |
| Kyocera Corporation | 14091 |
30 |
| Philip Morris Products S.A. | 7766 |
28 |
| Samsung Electronics Co., Ltd. | 149198 |
26 |
| Watlow Electric Manufacturing Company | 586 |
26 |
| Robert Bosch GmbH | 43096 |
19 |
| Altria Client Services LLC | 2284 |
18 |
| Applied Materials, Inc. | 19298 |
17 |
| Pura Scents, Inc. | 63 |
17 |
| Denso Corporation | 24797 |
16 |
| LG Electronics Inc. | 73825 |
14 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
13 |
| Tsinghua University | 6023 |
13 |
| MICO Ceramics Ltd. | 65 |
13 |
| Hillcrest First LLC | 19 |
13 |
| Panasonic Corporation | 19952 |
12 |
| KT & G Corporation | 2756 |
12 |
| Webasto SE | 1184 |
12 |
| AYR Ltd. | 105 |
12 |
| Other owners | 1217 |