- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 23/292 - Light
Patent holdings for IPC class G01F 23/292
Total number of patents in this class: 925
10-year publication summary
|
63
|
77
|
71
|
100
|
67
|
96
|
74
|
87
|
69
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20186 |
21 |
| Hitachi High-Tech Corporation | 5918 |
14 |
| Seiko Epson Corporation | 20337 |
12 |
| Bigfoot Biomedical, Inc. | 198 |
11 |
| Vega Grieshaber KG | 774 |
11 |
| Eaton Intelligent Power Limited | 6268 |
11 |
| Brother Industries, Ltd. | 12830 |
10 |
| Simmonds Precision Products, Inc. | 190 |
10 |
| Sanofi-Aventis Deutschland GmbH | 2588 |
9 |
| Amgen Inc. | 4440 |
9 |
| Hewlett-Packard Development Company, L.P. | 25170 |
9 |
| Bio-Rad Laboratories, Inc. | 1610 |
9 |
| Airbus Operations Limited | 1349 |
8 |
| Cirkul, Inc. | 281 |
8 |
| Pixart Imaging Inc. | 1736 |
8 |
| Stryker Corporation | 5614 |
7 |
| Roche Diagnostics Operations, Inc. | 1522 |
6 |
| Krones AG | 2286 |
6 |
| Endress+Hauser SE+Co. KG | 584 |
6 |
| Mallinckrodt Pharmaceuticals Ireland Ltd | 229 |
6 |
| Other owners | 734 |