- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 28/04 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for reversible pumps
Patent holdings for IPC class F04C 28/04
Total number of patents in this class: 28
10-year publication summary
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4
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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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2
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2
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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
|
|---|---|---|
| Gorman-Rupp Company, The | 170 |
3 |
| Denso Corporation | 25645 |
2 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1551 |
2 |
| Trane International Inc. | 1233 |
2 |
| Thermo King LLC | 474 |
2 |
| Deere & Company | 8150 |
1 |
| Panasonic Corporation | 18849 |
1 |
| Hyundai Motor Company | 24808 |
1 |
| Kia Motors Corporation | 7718 |
1 |
| Toyota Industries Corporation | 1219 |
1 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
1 |
| Atlas Copco Industrial Technique AB | 522 |
1 |
| Calsonic Kansei Corporation | 514 |
1 |
| Eckerle Industrie-Elektronik GmbH | 6 |
1 |
| Gardner Denver Schopfheim GmbH | 17 |
1 |
| O.M.P. Officine Mazzocco Pagnoni, S.r.L. | 25 |
1 |
| Vhit S.p.A. | 59 |
1 |
| Valeo Powertrain (Shanghai) Co., Ltd. | 6 |
1 |
| Green-y Energy AG | 8 |
1 |
| CH Creative Co., Ltd. | 5 |
1 |
| Other owners | 2 |