- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 13/00 - Compression machines, plants or systems, with reversible cycle
Patent holdings for IPC class F25B 13/00
Total number of patents in this class: 2933
10-year publication summary
|
275
|
291
|
283
|
270
|
261
|
275
|
238
|
236
|
182
|
69
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
701 |
| Daikin Industries, Ltd. | 9495 |
423 |
| LG Electronics Inc. | 69257 |
154 |
| Carrier Corporation | 4759 |
103 |
| Samsung Electronics Co., Ltd. | 131630 |
54 |
| Trane International Inc. | 1123 |
50 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
48 |
| Lennox Industries Inc. | 1088 |
48 |
| Copeland LP | 656 |
47 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
42 |
| Midea Group Co., Ltd. | 4025 |
41 |
| Daikin Europe N.v. | 171 |
39 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
36 |
| Denso Corporation | 23338 |
35 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
33 |
| Fujitsu General Limited | 541 |
30 |
| Toshiba Carrier Corporation | 567 |
29 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
24 |
| Rheem Manufacturing Company | 861 |
21 |
| Haier Smart Home Co., Ltd. | 4882 |
21 |
| Other owners | 954 |