- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/02 - Rotary-piston machines or engines 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 F01C 1/02
Total number of patents in this class: 392
10-year publication summary
|
30
|
39
|
31
|
35
|
29
|
23
|
7
|
9
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Copeland LP | 656 |
46 |
| LG Electronics Inc. | 69257 |
45 |
| Sanden Corporation | 859 |
20 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
18 |
| Daikin Industries, Ltd. | 9495 |
17 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
17 |
| Bitzer Kuehlmaschinenbau GmbH | 140 |
13 |
| Air Squared, Inc. | 24 |
11 |
| Anest Iwata Corporation | 168 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
10 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Sanden Holdings Corporation | 216 |
9 |
| Trane International Inc. | 1123 |
8 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
7 |
| Danfoss Commercial Compressors | 88 |
6 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 172 |
6 |
| Sanden Automotive Components Corporation | 158 |
6 |
| Pratt & Whitney Canada Corp. | 4215 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| Copeland Climate Technologies (Suzhou) Co. Ltd. | 49 |
5 |
| Other owners | 117 |