- 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: 1681
10-year publication summary
|
123
|
92
|
92
|
124
|
101
|
124
|
118
|
67
|
102
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9886 |
514 |
| ESCO Group LLC | 321 |
165 |
| Metalogenia Research & Technologies S.L. | 109 |
103 |
| Hensley Industries, Inc. | 120 |
82 |
| Cqms Pty Ltd | 115 |
51 |
| Komatsu Ltd. | 4635 |
45 |
| Black Cat Wear Parts Ltd. | 45 |
38 |
| Bradken Resources Pty Limited | 148 |
35 |
| Joy Global Surface Mining Inc | 370 |
23 |
| Talon Engineering Sdn Bhd | 22 |
21 |
| Metalogenia, S.A. | 57 |
20 |
| ESCO Corporation | 53 |
19 |
| Combi Wear Parts AB | 28 |
16 |
| Safe Metal | 23 |
15 |
| Sandvik Intellectual Property AB | 1448 |
15 |
| Kverneland Group Operations Norway AS | 40 |
13 |
| 2mt Mining Products Pty Ltd | 28 |
13 |
| SSAB Technology AB | 160 |
12 |
| IHC Holland IE B.V. | 262 |
11 |
| Sungbo Industrial Co., Ltd. | 27 |
11 |
| Other owners | 459 |