- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 47/00 - Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
Patent holdings for IPC class F25B 47/00
Total number of patents in this class: 309
10-year publication summary
|
20
|
31
|
36
|
31
|
25
|
23
|
20
|
27
|
18
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 4759 |
26 |
| Mitsubishi Electric Corporation | 43934 |
24 |
| Daikin Industries, Ltd. | 9495 |
15 |
| Lennox Industries Inc. | 1088 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Alltemp Products Company Limited | 60 |
5 |
| Sanden Corporation | 859 |
5 |
| Denso Corporation | 23338 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| Coilpod LLC | 6 |
4 |
| TE Technology, Inc. | 4 |
4 |
| Valeo Systemes Thermiques | 2471 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Audi AG | 7153 |
3 |
| Carrier Commercial Refrigeration, Inc. | 41 |
3 |
| Heatcraft Refrigeration Products LLC | 246 |
3 |
| Hill Phoenix, Inc. | 235 |
3 |
| Other owners | 166 |