- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17C - Vessels for containing or storing compressed, liquefied, or solidified gasesfixed-capacity gas-holdersfilling vessels with, or discharging from vessels, compressed, liquefied, or solidified gases
- F17C 7/04 - Discharging liquefied gases with change of state, e.g. vaporisation
Patent holdings for IPC class F17C 7/04
Total number of patents in this class: 516
10-year publication summary
|
38
|
37
|
54
|
40
|
27
|
35
|
37
|
38
|
29
|
24
|
| 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 | 3994 |
28 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
12 |
| Praxair Technology, Inc. | 1283 |
12 |
| General Electric Company | 13845 |
9 |
| Algas-SDI International LLC | 15 |
9 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 70 |
9 |
| Air Products and Chemicals, Inc. | 1442 |
8 |
| Chart Inc. | 137 |
8 |
| Cryostar SAS | 120 |
8 |
| National Institute of Clean-and-low-carbon Energy | 148 |
8 |
| Volvo Truck Corporation | 3447 |
8 |
| China Energy Investment Corporation Limited | 156 |
8 |
| Linde Aktiengesellschaft | 1497 |
7 |
| Samsung Heavy Ind. Co., Ltd. | 237 |
7 |
| Rtx Corporation | 9437 |
7 |
| HPDI Technology Limited Partnership | 179 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
6 |
| Westport Power Inc. | 122 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8783 |
5 |
| Shell Oil Company | 2138 |
5 |
| Other owners | 339 |