- 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: 311
10-year publication summary
|
29
|
32
|
27
|
27
|
20
|
13
|
12
|
13
|
23
|
11
|
| 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 | 1085 |
33 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1561 |
23 |
| LG Electronics Inc. | 76299 |
13 |
| Copeland LP | 716 |
12 |
| Toyota Industries Corporation | 1238 |
10 |
| Edwards Limited | 775 |
10 |
| Mitsubishi Electric Corporation | 48460 |
9 |
| Illinois Tool Works Inc. | 11902 |
8 |
| Denso Corporation | 25820 |
7 |
| Ingersoll-Rand Industrial U.S., Inc. | 542 |
7 |
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 172 |
6 |
| Samsung Electronics Co., Ltd. | 159473 |
5 |
| Daikin Industries, Ltd. | 10540 |
5 |
| Carrier Corporation | 3960 |
5 |
| Ateliers Busch SA | 49 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3327 |
5 |
| Lennox Industries Inc. | 1130 |
5 |
| Eaton Intelligent Power Limited | 6295 |
5 |
| Bitzer Kuehlmaschinenbau GmbH | 160 |
4 |
| Gardner Denver Deutschland GmbH | 62 |
4 |
| Other owners | 130 |