- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/24 - Safety devices
Patent holdings for IPC class E02F 9/24
Total number of patents in this class: 1301
10-year publication summary
|
66
|
77
|
91
|
120
|
114
|
138
|
125
|
125
|
133
|
98
|
| 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. | 2797 |
210 |
| Komatsu Ltd. | 4811 |
188 |
| Caterpillar Inc. | 10331 |
86 |
| Kobelco Construction Machinery Co., Ltd. | 1220 |
81 |
| Sumitomo Heavy Industries, Ltd. | 2133 |
63 |
| Volvo Construction Equipment AB | 1225 |
43 |
| Sumitomo Construction Machinery Co., Ltd. | 242 |
41 |
| Deere & Company | 8198 |
34 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
31 |
| Kubota Corporation | 4437 |
29 |
| Yanmar Holdings Co., Ltd. | 630 |
23 |
| ESCO Group LLC | 311 |
22 |
| Doosan Infracore Co., Ltd. | 308 |
21 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 210 |
21 |
| Caterpillar SARL | 487 |
16 |
| Yanmar Co., Ltd. | 1338 |
13 |
| Joy Global Surface Mining Inc | 372 |
10 |
| HD Construction Equipment Co., Ltd., HD Hyundai Infracore Co., Ltd. | 238 |
10 |
| J.C. Bamford Excavators Limited | 454 |
9 |
| NEC Corporation | 37491 |
8 |
| Other owners | 342 |