- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 19/00 - Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
Patent holdings for IPC class F25B 19/00
Total number of patents in this class: 316
10-year publication summary
|
25
|
31
|
45
|
41
|
35
|
11
|
23
|
26
|
17
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Booz Allen Hamilton Inc. | 255 |
17 |
| General Electric Company | 17783 |
10 |
| Nortek Air Solutions Canada, Inc. | 120 |
10 |
| Reflect Scientific, Inc. | 29 |
10 |
| Carrier Corporation | 4449 |
8 |
| Siemens Healthcare Limited | 135 |
8 |
| bizzybee LLC | 39 |
7 |
| The Boeing Company | 19909 |
6 |
| Raytheon Company | 8435 |
6 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3591 |
6 |
| Messer Group GmbH | 59 |
6 |
| NDSU Research Foundation | 246 |
5 |
| Frostime LLC | 9 |
5 |
| LG Electronics Inc. | 70957 |
4 |
| Linde Aktiengesellschaft | 1550 |
4 |
| Siemens Healthineers AG | 6339 |
4 |
| International Business Machines Corporation | 60095 |
3 |
| Hamilton Sundstrand Corporation | 4724 |
3 |
| InstroTek, Inc. | 19 |
3 |
| Montana Instruments Corporation | 34 |
3 |
| Other owners | 188 |