- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 23/18 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquidIndicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by resistance strain gauges
Patent holdings for IPC class G01L 23/18
Total number of patents in this class: 30
10-year publication summary
|
3
|
5
|
1
|
2
|
2
|
1
|
0
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sensata Technologies, Inc. | 434 |
3 |
| Hitachi Automotive Systems, Ltd. | 3954 |
2 |
| Robert Bosch GmbH | 44128 |
2 |
| Trafag AG | 53 |
2 |
| Siemens AG | 24033 |
1 |
| Denso Corporation | 25513 |
1 |
| Massachusetts Institute of Technology | 10239 |
1 |
| Seiko Instruments Inc. | 455 |
1 |
| NGK Spark Plug Co., Ltd. | 875 |
1 |
| Advantest Corporation | 1692 |
1 |
| Advanced Sensor Design Technologies, LLC | 7 |
1 |
| AIXACCT SYSTEMS GmbH | 2 |
1 |
| Isuzu Motors Limited | 2323 |
1 |
| Kistler Holding AG | 333 |
1 |
| Laser Zentrum Hannover e.V. | 33 |
1 |
| Metal Industries Research & Development Centre | 243 |
1 |
| Nagano Keiki Co., Ltd. | 60 |
1 |
| Tranter, Inc. | 8 |
1 |
| The University of Tokyo | 4352 |
1 |
| LiveMetric (Medical) S.A. | 17 |
1 |
| Other owners | 5 |