- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/28 - Small metalwork for digging elements, e.g. teeth
Patent holdings for IPC class E02F 9/28
Total number of patents in this class: 1748
10-year publication summary
|
170
|
110
|
111
|
154
|
128
|
162
|
160
|
77
|
130
|
66
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10316 |
548 |
| ESCO Group LLC | 311 |
161 |
| Metalogenia Research & Technologies S.L. | 116 |
110 |
| Hensley Industries, Inc. | 122 |
83 |
| Komatsu Ltd. | 4786 |
46 |
| Black Cat Wear Parts Ltd. | 50 |
43 |
| Bradken Resources Pty Limited | 146 |
35 |
| Cqms Razer Pty Ltd. | 58 |
29 |
| Cqms Pty Ltd | 58 |
25 |
| Talon Engineering Sdn Bhd | 25 |
24 |
| Joy Global Surface Mining Inc | 371 |
23 |
| Metalogenia, S.A. | 55 |
18 |
| Combi Wear Parts AB | 28 |
16 |
| ESCO Corporation | 45 |
16 |
| Safe Metal | 24 |
15 |
| Sandvik Intellectual Property AB | 1388 |
15 |
| 2mt Mining Products Pty Ltd | 29 |
14 |
| SSAB Technology AB | 166 |
12 |
| IHC Holland IE B.V. | 261 |
11 |
| Sungbo Industrial Co., Ltd. | 30 |
11 |
| Other owners | 493 |