- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/82 - Fixedly-mounted immersion heaters
Patent holdings for IPC class H05B 3/82
Total number of patents in this class: 158
10-year publication summary
10
|
14
|
16
|
20
|
16
|
14
|
30
|
13
|
10
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Watlow Electric Manufacturing Company | 569 |
20 |
I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 152 |
14 |
Robert Bosch GmbH | 40953 |
6 |
Eichenauer Heizelemente GmbH & Co. KG | 30 |
6 |
Bradford White Corporation | 127 |
4 |
Tounetsu Co., Ltd. | 25 |
4 |
Valeo Systemes Thermiques | 2471 |
4 |
Hewlett-Packard Development Company, L.P. | 28538 |
3 |
Cosmos Solar Pty Ltd | 5 |
3 |
Ember Technologies, Inc. | 125 |
3 |
NV Bekaert SA | 750 |
3 |
Philip Morris Products S.A. | 6751 |
2 |
Whirlpool Corporation | 4238 |
2 |
NGK Spark Plug Co., Ltd. | 935 |
2 |
Bestway Inflatables & Material Corp. | 367 |
2 |
DBK David + Baader GmbH | 43 |
2 |
MAG Aerospace Industries, LLC | 147 |
2 |
Plastic Omnium Advanced Innovation and Research | 328 |
2 |
Stiebel ELTRON GmbH & Co. KG | 93 |
2 |
Ucan Co., Ltd. | 6 |
2 |
Other owners | 70 |