- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 28/06 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
Patent holdings for IPC class F04C 28/06
Total number of patents in this class: 303
10-year publication summary
|
28
|
31
|
26
|
26
|
20
|
13
|
13
|
12
|
19
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atlas Copco Airpower, naamloze vennootschap | 1057 |
32 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1511 |
23 |
| LG Electronics Inc. | 74619 |
13 |
| Copeland LP | 694 |
12 |
| Mitsubishi Electric Corporation | 47449 |
9 |
| Toyota Industries Corporation | 1181 |
9 |
| Illinois Tool Works Inc. | 11698 |
8 |
| Denso Corporation | 25062 |
7 |
| Edwards Limited | 788 |
7 |
| Ingersoll-Rand Industrial U.S., Inc. | 523 |
7 |
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 166 |
6 |
| Samsung Electronics Co., Ltd. | 152304 |
5 |
| Daikin Industries, Ltd. | 10243 |
5 |
| Carrier Corporation | 3980 |
5 |
| Ateliers Busch SA | 49 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3269 |
5 |
| Lennox Industries Inc. | 1107 |
5 |
| Eaton Intelligent Power Limited | 6132 |
5 |
| Bitzer Kuehlmaschinenbau GmbH | 156 |
4 |
| Gardner Denver Deutschland GmbH | 59 |
4 |
| Other owners | 127 |