- 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: 448
10-year publication summary
|
17
|
22
|
32
|
29
|
32
|
38
|
48
|
47
|
48
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hanon Systems | 2106 |
58 |
| LG Electronics Inc. | 75694 |
31 |
| Daikin Industries, Ltd. | 10499 |
27 |
| Samsung Electronics Co., Ltd. | 157719 |
20 |
| Sanden Corporation | 1030 |
15 |
| Guangdong Meizhi Compressor Co., Ltd. | 215 |
14 |
| Toyota Industries Corporation | 1209 |
13 |
| Panasonic Corporation | 19019 |
12 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
12 |
| Mitsubishi Electric Corporation | 48018 |
11 |
| Danfoss (Tianjin) Ltd. | 110 |
11 |
| Denso Corporation | 25534 |
7 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
7 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 168 |
6 |
| MAHLE International GmbH | 2911 |
6 |
| Anhui Meizhi Precision Manufacturing Co., Ltd. | 67 |
6 |
| Danfoss Commercial Compressors | 96 |
5 |
| Guangdong Midea Environmental Technologies Corporation Limited | 16 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
4 |
| Other owners | 174 |