- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/78 - Heating arrangements specially adapted for immersion heating
Patent holdings for IPC class H05B 3/78
Total number of patents in this class: 162
10-year publication summary
|
23
|
19
|
23
|
8
|
6
|
6
|
8
|
9
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42647 |
5 |
| Haier US Appliance Solutions, Inc. | 3594 |
5 |
| RAI Strategic Holdings, Inc. | 1150 |
5 |
| Eberspacher catem GmbH & Co. KG | 96 |
4 |
| Gaumer Company, Inc. | 20 |
4 |
| Watlow Electric Manufacturing Company | 577 |
4 |
| Akurate Dynamics LLC | 6 |
3 |
| Bleckmann GmbH & Co. KG | 32 |
3 |
| Cosmos Solar Pty Ltd | 5 |
3 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 166 |
3 |
| Rheem Manufacturing Company | 978 |
3 |
| Sanden Corporation | 968 |
3 |
| University of Southampton | 443 |
3 |
| Valeo Systemes Thermiques | 2723 |
3 |
| Société des Produits Nestlé S.A. | 9269 |
2 |
| Continental Automotive GmbH | 5009 |
2 |
| Lawrence Livermore National Security, LLC | 1934 |
2 |
| Bradford White Corporation | 171 |
2 |
| Ember Technologies, Inc. | 119 |
2 |
| Fisher & Paykel Healthcare Limited | 2467 |
2 |
| Other owners | 99 |