- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-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: 26
10-year publication summary
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4
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0
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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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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gorman-Rupp Company, The | 142 |
3 |
| Denso Corporation | 23338 |
2 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
2 |
| Trane International Inc. | 1123 |
2 |
| Thermo King LLC | 421 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Deere & Company | 6845 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
1 |
| Atlas Copco Industrial Technique AB | 426 |
1 |
| Calsonic Kansei Corporation | 686 |
1 |
| Eckerle Industrie-Elektronik GmbH | 7 |
1 |
| FTE automotive GmbH | 78 |
1 |
| Gardner Denver Schopfheim GmbH | 18 |
1 |
| O.M.P. Officine Mazzocco Pagnoni, S.r.L. | 18 |
1 |
| Sekisui Chemical Co., Ltd. | 3159 |
1 |
| Vhit S.p.A. | 64 |
1 |
| Valeo Powertrain (Shanghai) Co., Ltd. | 6 |
1 |
| Other owners | 0 |