- 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: 520
10-year publication summary
|
42
|
34
|
19
|
34
|
36
|
43
|
28
|
33
|
22
|
21
|
| 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. | 2725 |
72 |
| Volvo Construction Equipment AB | 1216 |
45 |
| Kobelco Construction Machinery Co., Ltd. | 1192 |
43 |
| Caterpillar Inc. | 10219 |
35 |
| Komatsu Ltd. | 4672 |
34 |
| Sumitomo Heavy Industries, Ltd. | 2060 |
26 |
| Caterpillar SARL | 483 |
17 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
17 |
| HD Hyundai Infracore Co., Ltd | 296 |
13 |
| Kawasaki Heavy Industries, Limited | 1648 |
12 |
| Doosan Infracore Co., Ltd. | 308 |
12 |
| Kubota Corporation | 4258 |
12 |
| Caterpillar Global Mining LLC | 207 |
9 |
| Sumitomo Construction Machinery Co., Ltd. | 232 |
9 |
| Doosan Bobcat North America Inc. | 639 |
9 |
| Deere & Company | 8008 |
8 |
| Parker Intangibles LLC | 1178 |
7 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 204 |
7 |
| Clark Equipment Company | 294 |
5 |
| J.C. Bamford Excavators Limited | 437 |
5 |
| Other owners | 123 |