- 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 28/24 - 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: 201
10-year publication summary
19
|
21
|
24
|
18
|
18
|
25
|
18
|
10
|
20
|
0
|
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 | 982 |
21 |
Copeland LP | 674 |
18 |
LG Electronics Inc. | 70898 |
13 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1402 |
9 |
Hanon Systems | 1814 |
8 |
GREE Electric Appliances, Inc. of Zhuhai | 3149 |
6 |
Illinois Tool Works Inc. | 11369 |
5 |
Copeland Climate Technologies (Suzhou) Co. Ltd. | 52 |
5 |
Toyota Industries Corporation | 1054 |
4 |
Ateliers Busch SA | 54 |
4 |
Gardner Denver Deutschland GmbH | 61 |
4 |
Lennox Industries Inc. | 1098 |
4 |
Trane International Inc. | 1149 |
4 |
Ingersoll-Rand Industrial U.S., Inc. | 497 |
4 |
Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd | 19 |
4 |
Danfoss (Tianjin) Ltd. | 87 |
3 |
Edwards Limited | 799 |
3 |
Guangdong Meizhi Compressor Co., Ltd. | 174 |
3 |
Samsung Electronics Co., Ltd. | 138518 |
2 |
Daikin Industries, Ltd. | 9810 |
2 |
Other owners | 75 |