- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat 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: 318
10-year publication summary
|
31
|
44
|
41
|
35
|
11
|
23
|
29
|
17
|
9
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Booz Allen Hamilton Inc. | 341 |
17 |
| Nortek Air Solutions Canada, Inc. | 125 |
10 |
| Reflect Scientific, Inc. | 29 |
10 |
| The Boeing Company | 20230 |
7 |
| bizzybee LLC | 41 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4154 |
6 |
| Messer Group GmbH | 46 |
6 |
| Siemens Healthcare Limited | 148 |
6 |
| GE Precision Healthcare LLC | 5835 |
6 |
| Raytheon Company | 8458 |
5 |
| NDSU Research Foundation | 249 |
5 |
| Frostime LLC | 9 |
5 |
| Oxford Nanoscience Limited | 41 |
5 |
| LG Electronics Inc. | 76283 |
4 |
| Carrier Corporation | 3960 |
4 |
| Linde Aktiengesellschaft | 1410 |
4 |
| Praxair Technology, Inc. | 1200 |
4 |
| International Business Machines Corporation | 62897 |
3 |
| Hamilton Sundstrand Corporation | 5013 |
3 |
| InstroTek, Inc. | 22 |
3 |
| Other owners | 198 |