- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 2/02 - Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
Patent holdings for IPC class F04C 2/02
Total number of patents in this class: 154
10-year publication summary
|
5
|
9
|
11
|
9
|
14
|
17
|
13
|
11
|
7
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76299 |
14 |
| Copeland LP | 716 |
10 |
| Toyota Industries Corporation | 1238 |
8 |
| ECP Entwicklungsgesellschaft mbH | 258 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
6 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1561 |
6 |
| Daikin Industries, Ltd. | 10540 |
5 |
| Emerson Climate Technologies, Inc. | 290 |
5 |
| Agilent Technologies, Inc. | 2648 |
4 |
| Danfoss Commercial Compressors | 96 |
4 |
| Hanon Systems | 2141 |
4 |
| MAHLE International GmbH | 2929 |
4 |
| Samsung Electronics Co., Ltd. | 159473 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
3 |
| Bitzer Kuehlmaschinenbau GmbH | 160 |
3 |
| Danfoss (Tianjin) Ltd. | 111 |
3 |
| Trane International Inc. | 1245 |
3 |
| Copeland Climate Technologies (Suzhou) Co. Ltd. | 67 |
3 |
| Robert Bosch GmbH | 44398 |
2 |
| Carrier Corporation | 3960 |
2 |
| Other owners | 55 |