- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structures; testing of structures or apparatus, not otherwise provided for
- G01M 13/021 - Gearings
Patent holdings for IPC class G01M 13/021
Total number of patents in this class: 173
10-year publication summary
|
2
|
1
|
6
|
14
|
26
|
27
|
27
|
34
|
33
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZF Friedrichshafen AG | 6820 |
8 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
7 |
| ABB Schweiz AG | 6321 |
5 |
| Gleason Metrology Systems Corporation | 19 |
5 |
| Schaeffler Technologies AG & Co. KG | 8880 |
4 |
| The Gleason Works | 202 |
4 |
| Safran Aircraft Engines | 5739 |
4 |
| Flender GmbH | 338 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
3 |
| Textron Innovations Inc. | 2138 |
3 |
| GE Infrastructure Technology, LLC | 5873 |
3 |
| Vestas Wind Systems A/S | 3459 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
2 |
| NTN Corporation | 5008 |
2 |
| Kawasaki Heavy Industries, Limited | 1524 |
2 |
| Aktiebolaget SKF | 2700 |
2 |
| Beijing University of Technology | 437 |
2 |
| Bell Helicopter Textron Inc. | 1122 |
2 |
| Chongqing University | 221 |
2 |
| Other owners | 103 |