- 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: 296
10-year publication summary
|
17
|
28
|
31
|
26
|
26
|
20
|
13
|
13
|
11
|
15
|
| 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 | 1036 |
29 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1467 |
22 |
| LG Electronics Inc. | 73763 |
13 |
| Copeland LP | 702 |
12 |
| Mitsubishi Electric Corporation | 46672 |
9 |
| Toyota Industries Corporation | 1145 |
9 |
| Illinois Tool Works Inc. | 11520 |
8 |
| Denso Corporation | 24601 |
7 |
| Edwards Limited | 788 |
7 |
| Ingersoll-Rand Industrial U.S., Inc. | 511 |
7 |
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 164 |
6 |
| Samsung Electronics Co., Ltd. | 148173 |
5 |
| Daikin Industries, Ltd. | 10118 |
5 |
| Carrier Corporation | 4296 |
5 |
| Ateliers Busch SA | 50 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
5 |
| Lennox Industries Inc. | 1131 |
5 |
| Eaton Intelligent Power Limited | 6043 |
5 |
| Bitzer Kuehlmaschinenbau GmbH | 154 |
4 |
| Gardner Denver Deutschland GmbH | 58 |
4 |
| Other owners | 124 |