- All sections
- G - Physics
- G01C - Measuring distances, levels or bearingssurveyingnavigationgyroscopic instrumentsphotogrammetry or videogrammetry
- G01C 21/12 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning
Patent holdings for IPC class G01C 21/12
Total number of patents in this class: 467
10-year publication summary
|
39
|
43
|
47
|
51
|
49
|
25
|
14
|
19
|
24
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gatekeeper Systems, Inc. | 157 |
22 |
| Apple Inc. | 54844 |
14 |
| Qualcomm Incorporated | 85322 |
12 |
| Google LLC | 42196 |
12 |
| SZ DJI Technology Co., Ltd | 6847 |
10 |
| Intel Corporation | 46962 |
8 |
| Robert Bosch GmbH | 42689 |
8 |
| Zimeno, Inc. DBA Monarch Tractor | 108 |
8 |
| Samsung Electronics Co., Ltd. | 146092 |
7 |
| Microsoft Technology Licensing, LLC | 53720 |
7 |
| TRX Systems, Inc. | 72 |
7 |
| Sony Corporation | 31052 |
6 |
| Toyota Motor Corporation | 32116 |
6 |
| Amazon Technologies, Inc. | 26677 |
6 |
| Huawei Technologies Co., Ltd. | 112438 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 14379 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
5 |
| Allstate Insurance Company | 1823 |
5 |
| Sysnav | 49 |
5 |
| Honeywell International Inc. | 13545 |
4 |
| Other owners | 305 |