- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/30 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates
Patent holdings for IPC class H05B 3/30
Total number of patents in this class: 51
10-year publication summary
|
5
|
6
|
3
|
3
|
2
|
7
|
9
|
5
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eberspacher catem GmbH & Co. KG | 92 |
5 |
| Lexmark International, Inc. | 1793 |
4 |
| Alinox AG | 6 |
3 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 152 |
3 |
| BSH Home Appliances Corporation | 823 |
2 |
| NHK Spring Co., Ltd. | 1657 |
2 |
| Semes Co., Ltd. | 1119 |
2 |
| Eberspacher catem Hermsdorf GmbH & Co. KG | 6 |
2 |
| Canon Inc. | 36841 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| NGK Insulators, Ltd. | 4589 |
1 |
| Behr GmbH & Co. KG | 437 |
1 |
| Betacera Inc. | 2 |
1 |
| Board of Regents of The Nevada System of Higher Education, on Behalf of The University of Nevada, Reno | 131 |
1 |
| BorgWarner BERU Systems GmbH | 48 |
1 |
| BYD Company Limited | 3700 |
1 |
| Cedal Equipment S.r.l. | 8 |
1 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
1 |
| Doosan Corporation | 444 |
1 |
| Other owners | 16 |