- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F17C - Vessels for containing or storing compressed, liquefied, or solidified gases; fixed-capacity gas-holders; filling vessels with, or discharging from vessels, compressed, liquefied, or solidified gases
- F17C 9/04 - Recovery of thermal energy
Patent holdings for IPC class F17C 9/04
Total number of patents in this class: 213
10-year publication summary
17
|
18
|
12
|
16
|
22
|
12
|
22
|
15
|
26
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Gaztransport et Technigaz | 514 |
20 |
Hanwha Ocean Co., Ltd. | 81 |
8 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
7 |
Wartsila Finland Oy | 740 |
7 |
8 Rivers Capital, LLC | 224 |
6 |
Air Products and Chemicals, Inc. | 1448 |
5 |
Fluor Technologies Corporation | 410 |
5 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
Highview Enterprises Limited | 45 |
4 |
Siemens AG | 24990 |
3 |
Burckhardt Compression AG | 116 |
3 |
ExxonMobil Upstream Research Company | 2525 |
3 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
Linde Aktiengesellschaft | 1600 |
3 |
Reflect Scientific, Inc. | 29 |
3 |
Cryo PUR | 15 |
3 |
Speclipse, Inc. | 39 |
3 |
Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd. | 71 |
3 |
Newpolygen Technologies Ltd. | 3 |
3 |
Nxn Systems Inc. | 3 |
3 |
Other owners | 114 |