- 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: 468
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. | 54577 |
14 |
Qualcomm Incorporated | 84760 |
12 |
Google LLC | 41934 |
12 |
SZ DJI Technology Co., Ltd | 6840 |
10 |
Intel Corporation | 46833 |
8 |
Robert Bosch GmbH | 42596 |
8 |
Zimeno, Inc. DBA Monarch Tractor | 107 |
8 |
Samsung Electronics Co., Ltd. | 144675 |
7 |
Microsoft Technology Licensing, LLC | 53577 |
7 |
TRX Systems, Inc. | 72 |
7 |
Sony Corporation | 31124 |
6 |
Toyota Motor Corporation | 31693 |
6 |
Amazon Technologies, Inc. | 26528 |
6 |
Huawei Technologies Co., Ltd. | 111449 |
5 |
Bayerische Motoren Werke Aktiengesellschaft | 14265 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10925 |
5 |
Allstate Insurance Company | 1811 |
5 |
Sysnav | 49 |
5 |
Honeywell International Inc. | 13573 |
4 |
Other owners | 306 |