- 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: 2187
10-year publication summary
|
176
|
180
|
158
|
127
|
153
|
190
|
177
|
176
|
153
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
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 | 4042 |
263 |
| ExxonMobil Upstream Research Company | 2340 |
100 |
| Praxair Technology, Inc. | 1225 |
69 |
| ConocoPhillips Company | 1703 |
66 |
| Shell Internationale Research Maatschappij B.V. | 3474 |
64 |
| JNC Corporation | 1529 |
47 |
| Nuovo Pignone Tecnologie S.r.l. | 1136 |
47 |
| Linde Aktiengesellschaft | 1438 |
45 |
| Shell Oil Company | 2104 |
39 |
| Shell USA, Inc. | 1285 |
39 |
| Chart Energy & Chemicals, Inc. | 65 |
36 |
| Engie | 186 |
33 |
| Hercules Project Company LLC | 65 |
33 |
| Linde GmbH | 1332 |
30 |
| Hanwha Ocean Co., Ltd. | 135 |
30 |
| Air Products and Chemicals, Inc. | 1462 |
27 |
| Chiyoda Corporation | 417 |
27 |
| Fluor Technologies Corporation | 369 |
23 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 67 |
22 |
| Gaztransport et Technigaz | 608 |
21 |
| Other owners | 1126 |