Patent holdings for IPC class F03D 9/32

Total number of patents in this class: 177

10-year publication summary

35
35
43
34
42
45
47
44
43
24
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hamilton Sundstrand Corporation
5014
13
Purus Power Corporation
24
6
Hyundai Motor Company
24703
4
FCA US LLC
3564
4
Eco Technology Co., Ltd.
8
4
K&N Engineering, Inc.
463
4
Kia Corporation
12433
4
Siemens Gamesa Renewable Energy A/S
1963
3
Flower Turbines Inc.
30
3
Perumala Holdings, LLC (a Belize Limited Liability company)
31
3
Toyota Motor Corporation
35813
2
The Boeing Company
20163
2
Honeywell International Inc.
12772
2
Mitsubishi Heavy Industries, Ltd.
9139
2
NTN Corporation
4915
2
The Johns Hopkins University
5887
2
Carrier Corporation
3951
2
The Yokohama Rubber Co., Ltd.
4116
2
Continuum Dynamics, Inc.
16
2
Korea Maritime University Industry-Academic Cooperation Foundation
64
2
Other owners 109