- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 52
10-year publication summary
|
3
|
3
|
2
|
7
|
10
|
5
|
0
|
1
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eberspacher catem GmbH & Co. KG | 102 |
6 |
| NHK Spring Co., Ltd. | 1983 |
5 |
| Lexmark International, Inc. | 1541 |
3 |
| Alinox AG | 6 |
3 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 165 |
3 |
| Semes Co., Ltd. | 1677 |
2 |
| Webasto SE | 1188 |
2 |
| Eberspacher catem Hermsdorf GmbH & Co. KG | 5 |
2 |
| Canon Inc. | 43768 |
1 |
| Robert Bosch GmbH | 44128 |
1 |
| NGK Insulators, Ltd. | 5232 |
1 |
| Behr GmbH & Co. KG | 245 |
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 |
| BSH Home Appliances Corporation | 701 |
1 |
| BYD Company Limited | 6463 |
1 |
| DONGWOO FINE-CHEM Co., Ltd. | 1429 |
1 |
| Doosan Corporation | 431 |
1 |
| Enodis Corporation | 63 |
1 |
| Farouk Systems, Inc. | 269 |
1 |
| Other owners | 14 |