- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 1/00 - Compression machines, plants or systems with non-reversible cycle
Patent holdings for IPC class F25B 1/00
Total number of patents in this class: 4981
10-year publication summary
424
|
332
|
344
|
404
|
420
|
386
|
349
|
264
|
264
|
97
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
1297 |
Daikin Industries, Ltd. | 9495 |
816 |
Denso Corporation | 23338 |
359 |
Carrier Corporation | 4759 |
116 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
107 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
96 |
Panasonic Corporation | 20786 |
86 |
Sanden Corporation | 859 |
75 |
Toshiba Carrier Corporation | 567 |
72 |
LG Electronics Inc. | 69257 |
62 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
58 |
Asahi Glass Company, Limited | 2985 |
54 |
Sanden Automotive Climate Systems Corporation | 177 |
46 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
42 |
Agc, Inc. | 4029 |
42 |
Sanden Holdings Corporation | 216 |
36 |
Idemitsu Kosan Co., Ltd. | 3995 |
34 |
Fujitsu General Limited | 541 |
29 |
Shinwa Controls Co., Ltd. | 153 |
29 |
Hitachi, Ltd. | 16452 |
26 |
Other owners | 1499 |