Patent holdings for IPC class F03D 9/32

Total number of patents in this class: 164

10-year publication summary

15
32
33
42
33
40
42
45
44
41
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hamilton Sundstrand Corporation
4961
13
Purus Power Corporation
20
5
FCA US LLC
3222
4
Eco Technology Co., Ltd.
9
4
K&N Engineering, Inc.
438
4
Hyundai Motor Company
22888
3
Siemens Gamesa Renewable Energy A/S
1914
3
Flower Turbines Inc.
30
3
Perumala Holdings, LLC (a Belize Limited Liability company)
30
3
Kia Corporation
10617
3
Toyota Motor Corporation
33572
2
Honeywell International Inc.
13571
2
Mitsubishi Heavy Industries, Ltd.
8910
2
NTN Corporation
4960
2
The Johns Hopkins University
5759
2
Carrier Corporation
4002
2
The Yokohama Rubber Co., Ltd.
4092
2
Continuum Dynamics, Inc.
15
2
Korea Maritime University Industry-Academic Cooperation Foundation
62
2
Messer Gaspack GmbH
24
2
Other owners 99