Patent holdings for IPC class F02M 21/06

Total number of patents in this class: 215

10-year publication summary

27
16
31
25
7
15
8
14
9
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hyundai Heavy Industries Co., Ltd.
275
12
HPDI Technology Limited Partnership
178
10
Robert Bosch GmbH
42647
8
Carrier Corporation
4349
7
Wartsila Finland Oy
741
7
Hanwha Ocean Co., Ltd.
120
7
Caterpillar Inc.
9539
6
Gaztransport et Technigaz
576
6
Volvo Truck Corporation
3392
6
Westport Power Inc.
123
6
Chart Inc.
138
5
Dynamic Fuel Systems, Inc.
7
5
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
235
4
Keihin Corporation
187
4
Nippon Soken, Inc.
310
4
Progress Rail Locomotive Inc.
317
4
Toyota Motor Corporation
31903
3
Continental Automotive GmbH
5009
3
Alfa Laval Corhex Ltd
3
3
Samsung Heavy Ind. Co., Ltd.
238
3
Other owners 102