- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 41/22 - 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: 107
10-year publication summary
0
|
0
|
0
|
1
|
6
|
15
|
25
|
33
|
23
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Carrier Corporation | 4759 |
12 |
Heatcraft Refrigeration Products LLC | 246 |
9 |
LG Electronics Inc. | 69257 |
4 |
Hill Phoenix, Inc. | 235 |
4 |
Denso Corporation | 23338 |
3 |
Booz Allen Hamilton Inc. | 229 |
3 |
Rheem Manufacturing Company | 861 |
3 |
STULZ Air Technology Systems, Inc. | 13 |
3 |
Valeo Systemes Thermiques | 2471 |
3 |
Therma-Stor LLC | 134 |
3 |
Mitsubishi Electric Corporation | 43934 |
2 |
Whirlpool Corporation | 4238 |
2 |
BSH Hausgeräte GmbH | 5384 |
2 |
Energy Recovery, Inc. | 168 |
2 |
Equilibar, LLC | 19 |
2 |
PDX Technologies LLC | 10 |
2 |
Rolls-Royce North American Technologies, Inc. | 1079 |
2 |
Tyco Fire & Security GmbH | 2172 |
2 |
HC United B.V. | 3 |
2 |
Flo Energy Solutions Inc. | 10 |
2 |
Other owners | 40 |