- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring 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 measuring angles or tapersMeasuring 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: 510
10-year publication summary
|
27
|
48
|
29
|
28
|
48
|
54
|
34
|
45
|
29
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25062 |
8 |
| Ford Global Technologies, LLC | 21150 |
8 |
| Pratt & Whitney Canada Corp. | 5159 |
7 |
| Nikon Corporation | 7263 |
7 |
| Robert Bosch GmbH | 43385 |
6 |
| Hyundai Motor Company | 23382 |
6 |
| Pioneer Corporation | 3983 |
6 |
| Dr. Johannes Heidenhain GmbH | 411 |
6 |
| The Boeing Company | 20110 |
5 |
| Mitsubishi Electric Corporation | 47449 |
5 |
| Hamilton Sundstrand Corporation | 5006 |
5 |
| Leica Geosystems AG | 609 |
5 |
| Samsung Electronics Co., Ltd. | 152304 |
4 |
| Samsung Display Co., Ltd. | 37467 |
4 |
| Deere & Company | 7859 |
4 |
| Seiko Epson Corporation | 19881 |
4 |
| GM Global Technology Operations LLC | 15666 |
4 |
| LG Innotek Co., Ltd. | 8089 |
4 |
| NSK Ltd. | 2822 |
4 |
| Kia Motors Corporation | 7738 |
4 |
| Other owners | 404 |