- 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: 27
10-year publication summary
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2
|
2
|
0
|
5
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0
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5
|
6
|
2
|
3
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Airflow Direction Incorporated | 33 |
15 |
| Rosemount Aerospace Inc. | 747 |
2 |
| Wiseman, Brian M, DBA airflow Direction Incorporated | 3 |
2 |
| Nokia Corporation | 6965 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| Hydra-electric Company | 28 |
1 |
| Hyundai Engineering & Construction Co., Ltd. | 22 |
1 |
| Mitsubishi Electric Automotive America,Inc. | 8 |
1 |
| Nokia Inc. | 2036 |
1 |
| Zya, Inc. | 10 |
1 |
| Creta Co., Ltd | 1 |
1 |
| Other owners | 0 |