- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 13/04 - Devices or apparatus for measuring differences of two or more fluid pressure values using floats or liquids as sensing elements
Patent holdings for IPC class G01L 13/04
Total number of patents in this class: 31
10-year publication summary
|
2
|
0
|
5
|
0
|
5
|
6
|
2
|
4
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Airflow Direction Incorporated | 39 |
18 |
| Rosemount Aerospace Inc. | 768 |
2 |
| Nokia Corporation | 5835 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| Korea Advanced Institute of Science and Technology | 4311 |
1 |
| Hydra-electric Company | 29 |
1 |
| Hyundai Engineering & Construction Co., Ltd. | 23 |
1 |
| Kulite Semiconductor Products, Inc. | 195 |
1 |
| MED-EL Elektromedizinische Geraete GmbH | 615 |
1 |
| Mitsubishi Electric Automotive America,Inc. | 13 |
1 |
| Nokia Inc. | 1578 |
1 |
| Zya, Inc. | 8 |
1 |
| Creta Co., Ltd | 1 |
1 |
| Other owners | 0 |