- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours
- G01B 21/22 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes
Patent holdings for IPC class G01B 21/22
Total number of patents in this class: 485
10-year publication summary
|
48
|
29
|
49
|
29
|
32
|
50
|
57
|
35
|
45
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23721 |
8 |
| Ford Global Technologies, LLC | 20057 |
8 |
| Nikon Corporation | 7128 |
7 |
| Pratt & Whitney Canada Corp. | 4434 |
6 |
| Robert Bosch GmbH | 41717 |
6 |
| Pioneer Corporation | 4650 |
6 |
| Dr. Johannes Heidenhain GmbH | 405 |
6 |
| The Boeing Company | 19901 |
5 |
| Mitsubishi Electric Corporation | 44738 |
5 |
| Hyundai Motor Company | 20403 |
5 |
| Hamilton Sundstrand Corporation | 4719 |
5 |
| Leica Geosystems AG | 641 |
5 |
| Samsung Display Co., Ltd. | 32700 |
4 |
| Illinois Tool Works Inc. | 11369 |
4 |
| Deere & Company | 7318 |
4 |
| Seiko Epson Corporation | 18975 |
4 |
| LG Innotek Co., Ltd. | 7213 |
4 |
| ZF Friedrichshafen AG | 7019 |
4 |
| NSK Ltd. | 2732 |
4 |
| Kia Motors Corporation | 7779 |
4 |
| Other owners | 381 |