- 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: 129
10-year publication summary
|
15
|
16
|
10
|
9
|
5
|
5
|
7
|
7
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
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 | 4040 |
26 |
| Linde Aktiengesellschaft | 1458 |
19 |
| Praxair Technology, Inc. | 1259 |
9 |
| Gen-Probe Incorporated | 1011 |
5 |
| The Original Resinator, LLC | 16 |
5 |
| Azenta US, Inc. | 74 |
5 |
| Air Liquide Deutschland G.m.b.H | 60 |
4 |
| Liconic AG | 34 |
3 |
| Messer Industries USA, Inc. | 122 |
3 |
| Air Products and Chemicals, Inc. | 1451 |
2 |
| Ambiente e Nutrizione S.r.l. | 17 |
2 |
| Hefei University of Technology | 248 |
2 |
| Home Tech Innovation, Inc. | 36 |
2 |
| KPS Global LLC | 66 |
2 |
| Technican Co., Ltd. | 11 |
2 |
| Nitrocrete IP, LLC | 10 |
2 |
| Air Liquide Canada Inc. | 35 |
1 |
| Air Liquide Industrial U.S. LP | 20 |
1 |
| Airgas, Inc. | 153 |
1 |
| Brooks Automation, Inc. | 154 |
1 |
| Other owners | 32 |