- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 1/04 - Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
Patent holdings for IPC class F25B 1/04
Total number of patents in this class: 337
10-year publication summary
|
30
|
23
|
32
|
59
|
45
|
34
|
27
|
11
|
9
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
55 |
| LG Electronics Inc. | 69257 |
32 |
| Daikin Industries, Ltd. | 9495 |
32 |
| Toshiba Carrier Corporation | 567 |
16 |
| Trane International Inc. | 1123 |
13 |
| Panasonic Corporation | 20786 |
11 |
| Carrier Corporation | 4759 |
11 |
| Copeland LP | 656 |
11 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
8 |
| Emerson Climate Technologies, Inc. | 308 |
7 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
7 |
| Denso Corporation | 23338 |
6 |
| Air Squared, Inc. | 24 |
5 |
| The Chemours Company Fc, LLC | 1107 |
5 |
| Danfoss A/S | 1259 |
5 |
| Johnson Controls Technology Company | 1522 |
4 |
| Bitzer Kuehlmaschinenbau GmbH | 140 |
4 |
| Sanden Corporation | 859 |
4 |
| Other owners | 84 |