- 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: 1704
10-year publication summary
|
142
|
147
|
153
|
165
|
160
|
146
|
121
|
143
|
153
|
84
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5232 |
69 |
| Philip Morris Products S.A. | 8157 |
43 |
| Goodrich Corporation | 2183 |
36 |
| Samsung Electronics Co., Ltd. | 157557 |
31 |
| Kyocera Corporation | 14335 |
31 |
| Watlow Electric Manufacturing Company | 575 |
25 |
| Robert Bosch GmbH | 44128 |
19 |
| Applied Materials, Inc. | 20363 |
18 |
| Altria Client Services LLC | 2435 |
18 |
| Pura Scents, Inc. | 70 |
17 |
| Denso Corporation | 25513 |
16 |
| LG Electronics Inc. | 75654 |
14 |
| Hon Hai Precision Industry Co., Ltd. | 4026 |
14 |
| Tsinghua University | 6212 |
14 |
| Battelle Memorial Institute | 2603 |
14 |
| MICO Ceramics Ltd. | 70 |
14 |
| LG Innotek Co., Ltd. | 8453 |
13 |
| Panasonic Corporation | 19060 |
12 |
| KT & G Corporation | 3121 |
12 |
| Webasto SE | 1188 |
12 |
| Other owners | 1262 |