Patent holdings for IPC class F01K 7/38

Total number of patents in this class: 148

10-year publication summary

8
13
11
11
10
11
10
6
6
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Malta Inc.
119
31
Mitsubishi Power, Ltd.
1814
9
Siemens AG
24291
7
Mitsubishi Heavy Industries, Ltd.
8964
6
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4040
6
Miura Co., Ltd.
292
6
Toshiba Corporation
12546
4
GE Infrastructure Technology, LLC
6206
4
Hitachi, Ltd.
15819
3
Mitsubishi Heavy Industries Compressor Corporation
633
3
Yara International ASA
873
3
CRI HF
30
3
Doosan Heavy Industries & Construction Co., Ltd.
580
2
Echogen Power Systems, LLC
63
2
Foster Wheeler Energy Corporation
5
2
GE-Hitachi Nuclear Energy Americas LLC
441
2
General Electric Technology GmbH
1355
2
Mitsubishi Hitachi Power Systems, Ltd.
991
2
Xi'an Jiaotong University
687
2
Toshiba Energy Systems & Solutions Corp.
1124
2
Other owners 47