- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 28/24 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves
Patent holdings for IPC class F04C 28/24
Total number of patents in this class: 220
10-year publication summary
|
21
|
24
|
18
|
18
|
24
|
18
|
13
|
22
|
16
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Copeland LP | 695 |
20 |
| Atlas Copco Airpower, naamloze vennootschap | 1058 |
19 |
| LG Electronics Inc. | 74502 |
15 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1509 |
10 |
| Hanon Systems | 2043 |
9 |
| GREE Electric Appliances, Inc. of Zhuhai | 3268 |
6 |
| Illinois Tool Works Inc. | 11662 |
5 |
| Ingersoll-Rand Industrial U.S., Inc. | 524 |
5 |
| Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd | 20 |
5 |
| Copeland Climate Technologies (Suzhou) Co. Ltd. | 62 |
5 |
| Toyota Industries Corporation | 1174 |
4 |
| Ateliers Busch SA | 49 |
4 |
| Edwards Limited | 789 |
4 |
| Gardner Denver Deutschland GmbH | 59 |
4 |
| Lennox Industries Inc. | 1104 |
4 |
| Trane International Inc. | 1208 |
4 |
| Daikin Industries, Ltd. | 10227 |
3 |
| Danfoss (Tianjin) Ltd. | 104 |
3 |
| Guangdong Meizhi Compressor Co., Ltd. | 198 |
3 |
| Samsung Electronics Co., Ltd. | 152016 |
2 |
| Other owners | 86 |