- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 41/00 - Fluid-circulation arrangements
Patent holdings for IPC class F25B 41/00
Total number of patents in this class: 1559
10-year publication summary
|
151
|
160
|
150
|
162
|
161
|
147
|
97
|
48
|
24
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
193 |
| Carrier Corporation | 4759 |
167 |
| Daikin Industries, Ltd. | 9495 |
134 |
| LG Electronics Inc. | 69257 |
91 |
| Denso Corporation | 23338 |
55 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
31 |
| Samsung Electronics Co., Ltd. | 131630 |
27 |
| Danfoss A/S | 1259 |
27 |
| Trane International Inc. | 1123 |
23 |
| Haier Smart Home Co., Ltd. | 4882 |
22 |
| Lennox Industries Inc. | 1088 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
16 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
16 |
| Copeland LP | 656 |
15 |
| Hanon Systems | 1632 |
14 |
| Heatcraft Refrigeration Products LLC | 246 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
12 |
| Evapco, Inc. | 244 |
11 |
| Valeo Systemes Thermiques | 2471 |
11 |
| Other owners | 650 |