- All sections
- E - Fixed constructions
- E02F - Dredging; soil-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: 1576
10-year publication summary
|
143
|
115
|
170
|
110
|
111
|
154
|
127
|
159
|
129
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
479 |
| ESCO Group LLC | 321 |
165 |
| Metalogenia Research & Technologies S.L. | 90 |
84 |
| Hensley Industries, Inc. | 107 |
72 |
| Cqms Pty Ltd | 111 |
50 |
| Komatsu Ltd. | 4265 |
42 |
| Bradken Resources Pty Limited | 153 |
34 |
| Black Cat Wear Parts Ltd. | 41 |
34 |
| ESCO Corporation | 56 |
21 |
| Metalogenia, S.A. | 45 |
21 |
| Joy Global Surface Mining Inc | 356 |
17 |
| Sandvik Intellectual Property AB | 1634 |
16 |
| Talon Engineering Sdn Bhd | 19 |
16 |
| Combi Wear Parts AB | 27 |
15 |
| Kverneland Group Operations Norway AS | 39 |
13 |
| Safe Metal | 20 |
13 |
| IHC Holland IE B.V. | 277 |
11 |
| Sungbo Industrial Co., Ltd. | 26 |
11 |
| Caterpillar Work Tools B.V. | 76 |
10 |
| SSAB Technology AB | 148 |
10 |
| Other owners | 442 |