- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 27/18 - Measuring resistance to earth
Patent holdings for IPC class G01R 27/18
Total number of patents in this class: 288
10-year publication summary
|
23
|
17
|
23
|
37
|
23
|
25
|
18
|
17
|
12
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bender GmbH & Co. KG | 128 |
26 |
| SMA Solar Technology AG | 888 |
12 |
| Robert Bosch GmbH | 43321 |
6 |
| Denso Corporation | 24997 |
6 |
| Semiconductor Components Industries, L.L.C. | 5283 |
6 |
| Mitsubishi Electric Corporation | 47380 |
5 |
| Delta Electronics, Inc. | 2736 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10971 |
5 |
| ABB Schweiz AG | 7323 |
5 |
| Eaton Intelligent Power Limited | 6112 |
5 |
| Huawei Digital Power Technologies Co. Ltd. | 2392 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 14890 |
4 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2810 |
4 |
| Eldor Corporation S.p.A. | 126 |
4 |
| RENAULT s.a.s. | 5409 |
4 |
| Huawei Technologies Co., Ltd. | 118321 |
3 |
| Yazaki Corporation | 6896 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
3 |
| Continental Automotive GmbH | 4670 |
3 |
| Rockwell Automation Technologies, Inc. | 2721 |
3 |
| Other owners | 171 |