- 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: 170
10-year publication summary
|
19
|
23
|
8
|
6
|
6
|
9
|
9
|
5
|
6
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RAI Strategic Holdings, Inc. | 1217 |
6 |
| Robert Bosch GmbH | 44160 |
5 |
| Haier US Appliance Solutions, Inc. | 4033 |
5 |
| Bleckmann GmbH & Co. KG | 35 |
4 |
| Eberspacher catem GmbH & Co. KG | 102 |
4 |
| Gaumer Company, Inc. | 19 |
4 |
| Watlow Electric Manufacturing Company | 577 |
4 |
| Akurate Dynamics LLC | 6 |
3 |
| Cosmos Solar Pty Ltd | 5 |
3 |
| Rheem Manufacturing Company | 1019 |
3 |
| Sanden Corporation | 1030 |
3 |
| University of Southampton | 461 |
3 |
| Valeo Systemes Thermiques | 2825 |
3 |
| Société des Produits Nestlé S.A. | 10108 |
2 |
| Continental Automotive GmbH | 4503 |
2 |
| Lawrence Livermore National Security, LLC | 1973 |
2 |
| Bradford White Corporation | 275 |
2 |
| Ember Technologies, Inc. | 109 |
2 |
| Fisher & Paykel Healthcare Limited | 2629 |
2 |
| Gainteam Holdings Limited | 6 |
2 |
| Other owners | 106 |