Patent holdings for IPC class F02M 21/02

Total number of patents in this class: 2222

10-year publication summary

271
248
217
228
194
150
114
142
199
58
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Robert Bosch GmbH
40953
204
Caterpillar Inc.
8877
93
Westport Fuel Systems Canada Inc.
246
91
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
236
54
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
2856
50
Wartsila Finland Oy
740
48
Denso Corporation
23338
47
Westport Power Inc.
131
45
Mitsubishi Heavy Industries, Ltd.
8217
41
Volvo Truck Corporation
2764
38
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13301
32
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
699
28
Hyundai Heavy Industries Co., Ltd.
281
26
Innio Jenbacher GmbH & Co og
236
26
Hanwha Ocean Co., Ltd.
81
25
Cummins Inc.
2369
24
Ford Global Technologies, LLC
19702
22
Yanmar Co., Ltd.
1479
21
Keihin Corporation
201
19
Hyundai Motor Company
19021
18
Other owners 1270