- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 23/02 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors
Patent holdings for IPC class F04C 23/02
Total number of patents in this class: 395
10-year publication summary
|
18
|
17
|
22
|
32
|
29
|
32
|
38
|
47
|
47
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hanon Systems | 1929 |
49 |
| LG Electronics Inc. | 72890 |
28 |
| Daikin Industries, Ltd. | 9995 |
27 |
| Samsung Electronics Co., Ltd. | 145630 |
17 |
| Panasonic Corporation | 20128 |
13 |
| Toyota Industries Corporation | 1116 |
13 |
| Sanden Corporation | 968 |
13 |
| Atlas Copco Airpower, naamloze vennootschap | 1027 |
12 |
| Danfoss (Tianjin) Ltd. | 98 |
11 |
| Mitsubishi Electric Corporation | 45998 |
10 |
| Guangdong Meizhi Compressor Co., Ltd. | 182 |
9 |
| Denso Corporation | 24248 |
7 |
| GREE Electric Appliances, Inc. of Zhuhai | 3241 |
7 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 170 |
6 |
| Danfoss Commercial Compressors | 90 |
5 |
| Guangdong Midea Environmental Technologies Corporation Limited | 16 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
4 |
| Green Refrigeration Equipment Engineering Research Center of Zhuhai GREE Co., Ltd. | 73 |
4 |
| ING. ENEA MATTEI S.p.A. | 16 |
4 |
| Other owners | 147 |