- All sections
- A - Human necessities
- A23B - Preservation of foods, foodstuffs or non-alcoholic beverageschemical ripening of fruit or vegetables
- A23B 4/09 - FreezingSubsequent thawingCooling with addition of chemicals before or during cooling with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
Patent holdings for IPC class A23B 4/09
Total number of patents in this class: 77
10-year publication summary
|
8
|
11
|
4
|
14
|
9
|
7
|
5
|
5
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Praxair Technology, Inc. | 1315 |
4 |
| Stone, Michael | 11 |
4 |
| Ecolab USA Inc. | 5439 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3903 |
3 |
| Linde Aktiengesellschaft | 1526 |
3 |
| Shanghai Ocean University | 59 |
3 |
| Zhejiang University of Technology | 241 |
3 |
| Blanctec Co., Ltd. | 22 |
3 |
| Messer Industries USA, Inc. | 117 |
3 |
| Lambhusasund ehf | 39 |
3 |
| Crisp Sensation Holding S.A. | 20 |
2 |
| Jiangnan University | 1512 |
2 |
| Messer Group GmbH | 55 |
2 |
| Skaginn HF | 26 |
2 |
| Guangdong Ocean University | 151 |
2 |
| Yangzhou Yechun Food Production and Distribution Incorporated Company | 5 |
2 |
| Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang) | 6 |
2 |
| Zeco, LLC | 31 |
2 |
| Easternwells Co., Ltd. | 3 |
2 |
| Air Products and Chemicals, Inc. | 1400 |
1 |
| Other owners | 26 |