- All sections
- A - Human necessities
- A23B - Preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seeds; chemical ripening of fruit or vegetables; the preserved, ripened, or canned products
- A23B 4/09 - Freezing; Subsequent thawing; Cooling 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
|
13
|
9
|
7
|
5
|
5
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Praxair Technology, Inc. | 1334 |
4 |
| Stone, Michael | 11 |
4 |
| Ecolab USA Inc. | 5338 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3591 |
3 |
| Linde Aktiengesellschaft | 1550 |
3 |
| Messer Group GmbH | 59 |
3 |
| Shanghai Ocean University | 59 |
3 |
| Zhejiang University of Technology | 223 |
3 |
| Blanctec Co., Ltd. | 22 |
3 |
| Messer Industries USA, Inc. | 113 |
3 |
| Crisp Sensation Holding S.A. | 20 |
2 |
| Jiangnan University | 1476 |
2 |
| Skaginn HF | 26 |
2 |
| Guangdong Ocean University | 137 |
2 |
| Yangzhou Yechun Food Production and Distribution Incorporated Company | 5 |
2 |
| Lambhusasund ehf | 40 |
2 |
| Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang) | 6 |
2 |
| Zeco, LLC | 32 |
2 |
| Air Products and Chemicals, Inc. | 1426 |
1 |
| 3X Technology | 3 |
1 |
| Other owners | 27 |