- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/22 - Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
Patent holdings for IPC class F25B 41/22
Total number of patents in this class: 140
10-year publication summary
|
0
|
1
|
6
|
15
|
26
|
32
|
24
|
19
|
14
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 3960 |
15 |
| Heatcraft Refrigeration Products LLC | 282 |
11 |
| Hill Phoenix, Inc. | 308 |
6 |
| LG Electronics Inc. | 76299 |
4 |
| Rheem Manufacturing Company | 1036 |
4 |
| Tyco Fire & Security GmbH | 3687 |
4 |
| Samsung Electronics Co., Ltd. | 159473 |
3 |
| Denso Corporation | 25820 |
3 |
| Mitsubishi Electric Corporation | 48460 |
3 |
| Booz Allen Hamilton Inc. | 341 |
3 |
| STULZ Air Technology Systems, Inc. | 13 |
3 |
| Valeo Systemes Thermiques | 2818 |
3 |
| Therma-Stor LLC | 130 |
3 |
| Flo Energy Solutions Inc. | 19 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
2 |
| Whirlpool Corporation | 4714 |
2 |
| BSH Hausgeräte GmbH | 5674 |
2 |
| Energy Recovery, Inc. | 191 |
2 |
| Equilibar, LLC | 34 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1132 |
2 |
| Other owners | 60 |