Patent holdings for IPC class E02F 9/20

Total number of patents in this class: 5551

10-year publication summary

390
383
412
445
520
510
562
505
434
241
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Komatsu Ltd.
4505
921
Hitachi Construction Machinery Co., Ltd.
2620
732
Caterpillar Inc.
9449
530
Kobelco Construction Machinery Co., Ltd.
1133
288
Deere & Company
7495
226
Volvo Construction Equipment AB
1185
202
Sumitomo Heavy Industries, Ltd.
1867
180
Kubota Corporation
3718
167
Sumitomo(s.h.i.) Construction Machinery Co., Ltd.
243
103
Sumitomo Construction Machinery Co., Ltd.
199
92
Doosan Bobcat North America Inc.
566
89
Joy Global Surface Mining Inc
362
77
Doosan Infracore Co., Ltd.
309
72
Hitachi Construction Machinery Tierra Co., Ltd.
195
63
Caterpillar SARL
477
56
Clark Equipment Company
306
53
HD Hyundai Infracore Co., Ltd
272
53
Blue Leaf I.P., Inc.
2824
52
Yanmar Holdings Co., Ltd.
483
40
ZF Friedrichshafen AG
7119
37
Other owners 1518