- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 5/128 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
Patent holdings for IPC class H02K 5/128
Total number of patents in this class: 455
10-year publication summary
|
33
|
42
|
31
|
33
|
26
|
27
|
31
|
36
|
26
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41823 |
18 |
| Siemens AG | 24568 |
16 |
| Grundfos Holding A/S | 530 |
16 |
| Grundfos Management a/s | 187 |
16 |
| Pierburg Pump Technology GmbH | 315 |
15 |
| MAHLE International GmbH | 2703 |
11 |
| Bühler Motor GmbH | 120 |
9 |
| Ebara Corporation | 2083 |
8 |
| Amotech Co., Ltd. | 505 |
8 |
| Persimmon Technologies, Corp. | 149 |
8 |
| ZF Friedrichshafen AG | 7043 |
7 |
| BSH Hausgeräte GmbH | 5461 |
7 |
| Upwing Energy, Inc. | 50 |
7 |
| Brooks Automation US, LLC | 340 |
7 |
| Schaeffler Technologies AG & Co. KG | 9405 |
6 |
| ResMed Motor Technologies Inc | 77 |
6 |
| EBM-Papst St. Georgen GmbH & Co. KG | 268 |
5 |
| FMC Technologies, Inc. | 588 |
5 |
| Moog Inc. | 420 |
5 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 278 |
5 |
| Other owners | 270 |