- 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: 31
10-year publication summary
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4
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3
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5
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1
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2
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2
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1
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0
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sensata Technologies, Inc. | 389 |
3 |
| Hitachi Automotive Systems, Ltd. | 3958 |
2 |
| Robert Bosch GmbH | 42647 |
2 |
| Trafag AG | 52 |
2 |
| Siemens AG | 24518 |
1 |
| Denso Corporation | 24248 |
1 |
| Seiko Instruments Inc. | 503 |
1 |
| NGK Spark Plug Co., Ltd. | 893 |
1 |
| Advantest Corporation | 1826 |
1 |
| Advanced Sensor Design Technologies, LLC | 7 |
1 |
| AIXACCT SYSTEMS GmbH | 3 |
1 |
| Astrium GmbH | 44 |
1 |
| Endress+Hauser GmbH+Co. KG | 465 |
1 |
| Isuzu Motors Limited | 2247 |
1 |
| Kistler Holding AG | 330 |
1 |
| Laser Zentrum Hannover e.V. | 33 |
1 |
| Metal Industries Research & Development Centre | 222 |
1 |
| Nagano Keiki Co., Ltd. | 61 |
1 |
| Sensata Technologies Holland B.V. | 3 |
1 |
| Tranter, Inc. | 8 |
1 |
| Other owners | 6 |