- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25J - Liquefaction, solidification, or separation of gases or gaseous mixtures by pressure and cold treatment
- F25J 1/00 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
Patent holdings for IPC class F25J 1/00
Total number of patents in this class: 2124
10-year publication summary
|
129
|
176
|
180
|
158
|
127
|
153
|
190
|
177
|
175
|
122
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
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 | 4003 |
246 |
| ExxonMobil Upstream Research Company | 2390 |
101 |
| Praxair Technology, Inc. | 1283 |
71 |
| ConocoPhillips Company | 1677 |
67 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
64 |
| JNC Corporation | 1568 |
47 |
| Linde Aktiengesellschaft | 1496 |
45 |
| Nuovo Pignone Tecnologie S.r.l. | 1004 |
42 |
| Shell Oil Company | 2138 |
39 |
| Shell USA, Inc. | 1242 |
39 |
| Hercules Project Company LLC | 73 |
35 |
| Chart Energy & Chemicals, Inc. | 59 |
33 |
| Engie | 187 |
33 |
| Linde GmbH | 1265 |
30 |
| Hanwha Ocean Co., Ltd. | 126 |
29 |
| Air Products and Chemicals, Inc. | 1447 |
25 |
| Chiyoda Corporation | 398 |
25 |
| Fluor Technologies Corporation | 375 |
23 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 70 |
23 |
| ExxonMobil Technology and Engineering Company | 1112 |
21 |
| Other owners | 1086 |