- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25D - Refrigeratorscold roomsice-boxescooling or freezing apparatus not otherwise provided for
- F25D 3/11 - Devices using other cold materialsDevices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
Patent holdings for IPC class F25D 3/11
Total number of patents in this class: 128
10-year publication summary
|
6
|
17
|
17
|
14
|
9
|
6
|
5
|
7
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3956 |
27 |
| Linde Aktiengesellschaft | 1517 |
20 |
| Praxair Technology, Inc. | 1309 |
9 |
| Air Liquide Deutschland G.m.b.H | 62 |
5 |
| Gen-Probe Incorporated | 998 |
5 |
| The Original Resinator, LLC | 15 |
5 |
| Azenta US, Inc. | 75 |
5 |
| Liconic AG | 34 |
3 |
| Messer Industries USA, Inc. | 120 |
3 |
| Air Products and Chemicals, Inc. | 1416 |
2 |
| Ambiente e Nutrizione S.r.l. | 17 |
2 |
| Hefei University of Technology | 226 |
2 |
| Home Tech Innovation, Inc. | 30 |
2 |
| KPS Global LLC | 60 |
2 |
| Technican Co., Ltd. | 11 |
2 |
| Nitrocrete IP, LLC | 10 |
2 |
| Air Liquide Canada Inc. | 41 |
1 |
| Air Liquide Industrial U.S. LP | 22 |
1 |
| Airgas, Inc. | 148 |
1 |
| Brooks Automation, Inc. | 167 |
1 |
| Other owners | 28 |