- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/12 - Slewing or traversing gears
Patent holdings for IPC class E02F 9/12
Total number of patents in this class: 527
10-year publication summary
|
42
|
34
|
19
|
34
|
37
|
43
|
28
|
33
|
22
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2752 |
72 |
| Volvo Construction Equipment AB | 1222 |
45 |
| Kobelco Construction Machinery Co., Ltd. | 1210 |
43 |
| Komatsu Ltd. | 4723 |
37 |
| Caterpillar Inc. | 10267 |
35 |
| Sumitomo Heavy Industries, Ltd. | 2112 |
26 |
| Caterpillar SARL | 486 |
18 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
17 |
| Kawasaki Heavy Industries, Limited | 1673 |
12 |
| Doosan Infracore Co., Ltd. | 308 |
12 |
| Kubota Corporation | 4391 |
12 |
| Sumitomo Construction Machinery Co., Ltd. | 242 |
10 |
| Caterpillar Global Mining LLC | 207 |
9 |
| Doosan Bobcat North America Inc. | 650 |
9 |
| Deere & Company | 8097 |
8 |
| HD Hyundai Infracore Co., Ltd | 185 |
8 |
| Parker Intangibles LLC | 1169 |
7 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 206 |
7 |
| Clark Equipment Company | 292 |
5 |
| J.C. Bamford Excavators Limited | 445 |
5 |
| Other owners | 130 |