- 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: 533
10-year publication summary
|
41
|
57
|
42
|
30
|
37
|
37
|
44
|
32
|
43
|
14
|
| 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 | 4053 |
29 |
| Hyundai Heavy Industries Co., Ltd. | 273 |
12 |
| Praxair Technology, Inc. | 1228 |
12 |
| General Electric Company | 13806 |
9 |
| Air Products and Chemicals, Inc. | 1466 |
9 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 66 |
9 |
| Algas-SDI International LLC | 14 |
8 |
| Cryostar SAS | 117 |
8 |
| National Institute of Clean-and-low-carbon Energy | 151 |
8 |
| Volvo Truck Corporation | 3808 |
8 |
| China Energy Investment Corporation Limited | 159 |
8 |
| Chart Inc. | 131 |
7 |
| Linde Aktiengesellschaft | 1435 |
7 |
| Samsung Heavy Ind. Co., Ltd. | 246 |
7 |
| Rtx Corporation | 9885 |
7 |
| HPDI Technology Limited Partnership | 131 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3456 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9023 |
6 |
| Westport Fuel Systems Canada Inc. | 90 |
6 |
| Shell Oil Company | 2091 |
5 |
| Other owners | 355 |