- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 23/00 - 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
Patent holdings for IPC class G01L 23/00
Total number of patents in this class: 49
10-year publication summary
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1
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3
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1
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1
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3
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3
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1
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3
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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFD Technologies Inc. | 17 |
5 |
| Deere & Company | 7906 |
3 |
| GM Global Technology Operations LLC | 15776 |
2 |
| IFD Internal Fault Detector Corp. | 4 |
2 |
| Kistler Holding AG | 330 |
2 |
| ShockWatch, Inc. | 108 |
2 |
| Halliburton Energy Services, Inc. | 21169 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3461 |
1 |
| Toyota Motor Corporation | 34545 |
1 |
| The Boeing Company | 20094 |
1 |
| NEC Corporation | 36611 |
1 |
| Robert Bosch GmbH | 43554 |
1 |
| Samsung SDI Co., Ltd. | 9793 |
1 |
| STMicroelectronics (Rousset) SAS | 961 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2831 |
1 |
| Northrop Grumman Systems Corporation | 2929 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15008 |
1 |
| Carrier Corporation | 3968 |
1 |
| Weatherford Technology Holdings, LLC | 2068 |
1 |
| Akron Brass Company | 86 |
1 |
| Other owners | 19 |