- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25D - Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not otherwise provided for
- F25D 3/11 - Devices using other cold materials; Devices 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: 130
10-year publication summary
|
11
|
6
|
17
|
17
|
14
|
9
|
6
|
5
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
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 | 3515 |
27 |
| Linde Aktiengesellschaft | 1600 |
21 |
| Praxair Technology, Inc. | 1367 |
9 |
| Air Liquide Deutschland G.m.b.H | 68 |
5 |
| Gen-Probe Incorporated | 954 |
5 |
| The Original Resinator, LLC | 15 |
5 |
| Azenta US, Inc. | 56 |
4 |
| Liconic AG | 35 |
3 |
| Messer Industries USA, Inc. | 103 |
3 |
| Air Products and Chemicals, Inc. | 1448 |
2 |
| Ambiente e Nutrizione S.r.l. | 17 |
2 |
| Hefei University of Technology | 189 |
2 |
| Home Tech Innovation, Inc. | 30 |
2 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
2 |
| Technican Co., Ltd. | 10 |
2 |
| Nitrocrete IP, LLC | 9 |
2 |
| Glaxosmithkline Biologicals S.A. | 1701 |
1 |
| Air Liquide Canada Inc. | 43 |
1 |
| Air Liquide Industrial U.S. LP | 24 |
1 |
| Airgas, Inc. | 140 |
1 |
| Other owners | 30 |