- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/50 - Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
Patent holdings for IPC class H05B 3/50
Total number of patents in this class: 147
10-year publication summary
11
|
10
|
3
|
18
|
24
|
8
|
14
|
8
|
9
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Valeo Systemes Thermiques | 2471 |
30 |
Eberspacher catem GmbH & Co. KG | 92 |
10 |
Stego-Holding GmbH | 91 |
7 |
LG Innotek Co., Ltd. | 6758 |
6 |
BorgWarner Ludwigsburg GmbH | 109 |
4 |
MAHLE International GmbH | 2670 |
4 |
Epcos AG | 778 |
3 |
Amogreentech Co., Ltd. | 566 |
3 |
Behr-Hella Thermocontrol GmbH | 168 |
3 |
BYD Company Limited | 3700 |
3 |
Valeo Klimasysteme GmbH | 134 |
3 |
nVent Services GmbH | 159 |
3 |
LG Chem, Ltd. | 17205 |
2 |
Kyocera Corporation | 12735 |
2 |
BorgWarner BERU Systems GmbH | 48 |
2 |
Calsonic Kansei Corporation | 686 |
2 |
Dyson Technology Limited | 3124 |
2 |
Eichenauer Heizelemente GmbH & Co. KG | 30 |
2 |
Hanon Systems | 1632 |
2 |
I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 152 |
2 |
Other owners | 52 |