- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25D - Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not otherwise provided for
- F25D 3/12 - Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
Patent holdings for IPC class F25D 3/12
Total number of patents in this class: 237
10-year publication summary
|
12
|
12
|
17
|
25
|
30
|
19
|
18
|
21
|
15
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Praxair Technology, Inc. | 1367 |
21 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
20 |
| The Boeing Company | 19843 |
10 |
| Linde Aktiengesellschaft | 1600 |
7 |
| Vakava Technologies Ltd Oy | 7 |
7 |
| MESSER FRANCE (Société par Actions simplifiée) | 13 |
7 |
| Softbox Systems Limited | 55 |
6 |
| Messer Group GmbH | 61 |
5 |
| Nearshore Natural Gas, LLC | 10 |
4 |
| Cryologistics Refrigeration Technologies Ltd. | 5 |
4 |
| BioLife Solutions, Inc. | 57 |
3 |
| NDSU Research Foundation | 245 |
3 |
| Frostime LLC | 9 |
3 |
| Messer Industries USA, Inc. | 103 |
3 |
| Messer SE & Co. KGaA | 132 |
3 |
| Baker Hughes Incorporated | 5689 |
2 |
| LG Electronics Inc. | 69257 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| Pfizer Inc. | 3322 |
2 |
| Northrop Grumman Systems Corporation | 2940 |
2 |
| Other owners | 121 |