- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 28/00 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
Patent holdings for IPC class F04C 28/00
Total number of patents in this class: 87
10-year publication summary
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6
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7
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8
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6
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5
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6
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4
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3
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atlas Copco Airpower, naamloze vennootschap | 984 |
7 |
| Emerson Climate Technologies, Inc. | 307 |
5 |
| LG Electronics Inc. | 71039 |
4 |
| GREE Electric Appliances, Inc. of Zhuhai | 3154 |
4 |
| Copeland LP | 674 |
4 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1403 |
3 |
| Samsung Electronics Co., Ltd. | 139001 |
2 |
| Daikin Industries, Ltd. | 9838 |
2 |
| Carrier Corporation | 4451 |
2 |
| Bauer Compressors Inc. | 46 |
2 |
| Guangdong Meizhi Compressor Co., Ltd. | 174 |
2 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 568 |
2 |
| Micromass UK Limited | 1119 |
2 |
| Sanden Holdings Corporation | 208 |
2 |
| Schwing GmbH | 106 |
2 |
| Haier Smart Home Co., Ltd. | 5310 |
2 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1835 |
2 |
| Kunyoung Machinery Co., Ltd. | 3 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
1 |
| Panasonic Corporation | 20315 |
1 |
| Other owners | 34 |