- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 28/16 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using lift valves
Patent holdings for IPC class F04C 28/16
Total number of patents in this class: 38
10-year publication summary
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6
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3
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4
|
3
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1
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2
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2
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2
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4
|
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
|
|---|---|---|
| Copeland LP | 700 |
15 |
| LG Electronics Inc. | 73210 |
4 |
| Carrier Corporation | 4297 |
2 |
| Danfoss Commercial Compressors | 90 |
2 |
| SRM Italy S.r.l. | 2 |
2 |
| Johnson Controls Tyco IP Holdings LLP | 638 |
2 |
| Copeland Climate Technologies (Suzhou) Co. Ltd. | 58 |
2 |
| Samsung Electronics Co., Ltd. | 146534 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
1 |
| Conti Temic microelectronic GmbH | 892 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3246 |
1 |
| Trane International Inc. | 1184 |
1 |
| R-718 Spindel GbR | 6 |
1 |
| Hitachi Global Air Power US, LLC | 18 |
1 |
| Gardner Denver, LLC | 17 |
1 |
| Industrial Technologies and Services, LLC | 167 |
1 |
| Other owners | 0 |