- 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: 891
10-year publication summary
|
55
|
72
|
68
|
95
|
63
|
86
|
70
|
77
|
65
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20080 |
21 |
| Seiko Epson Corporation | 19754 |
12 |
| Hitachi High-Tech Corporation | 5528 |
12 |
| Bigfoot Biomedical, Inc. | 191 |
10 |
| Simmonds Precision Products, Inc. | 191 |
10 |
| Vega Grieshaber KG | 760 |
10 |
| Eaton Intelligent Power Limited | 6085 |
10 |
| Sanofi-Aventis Deutschland GmbH | 2609 |
9 |
| Hewlett-Packard Development Company, L.P. | 25511 |
9 |
| Brother Industries, Ltd. | 12946 |
9 |
| Bio-Rad Laboratories, Inc. | 1618 |
9 |
| Cirkul, Inc. | 271 |
8 |
| Airbus Operations Limited | 1292 |
7 |
| Amgen Inc. | 4277 |
7 |
| Stryker Corporation | 5157 |
7 |
| Pixart Imaging Inc. | 1690 |
7 |
| Roche Diagnostics Operations, Inc. | 1504 |
6 |
| Krones AG | 2235 |
6 |
| Endress+Hauser SE+Co. KG | 534 |
6 |
| Illinois Tool Works Inc. | 11614 |
5 |
| Other owners | 711 |