- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/18 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the effective cross-section of the working surface of the piston
Patent holdings for IPC class F04B 49/18
Total number of patents in this class: 11
10-year publication summary
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0
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2
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2
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1
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0
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1
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0
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0
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1
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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
|
|---|---|---|
| Dosatron International | 73 |
3 |
| Halliburton Energy Services, Inc. | 21236 |
1 |
| Robert Bosch GmbH | 44459 |
1 |
| Arcelik A.S. | 3363 |
1 |
| KLX Energy Services LLC | 80 |
1 |
| Zhe Jiang Hong Zhu Plastic Hardware Co., Ltd. | 6 |
1 |
| Hella GmbH & Co. KGaA | 1748 |
1 |
| Zhejiang Haiju Technology Co.,Ltd | 1 |
1 |
| GD Energy Products, LLC | 147 |
1 |
| Other owners | 0 |