- All sections
- E - Fixed constructions
- E04G - Scaffoldingformsshutteringbuilding implements or aids, or their usehandling building materials on the siterepairing, breaking-up or other work on existing buildings
- E04G 21/04 - Devices for both conveying and distributing
Patent holdings for IPC class E04G 21/04
Total number of patents in this class: 841
10-year publication summary
|
50
|
48
|
56
|
70
|
65
|
93
|
49
|
80
|
54
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Putzmeister Engineering GmbH | 354 |
180 |
| Schwing GmbH | 120 |
65 |
| Sany Heavy Industry Co., Ltd. | 240 |
46 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 399 |
46 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
45 |
| Sany Automobile Manufacturing Co., Ltd. | 147 |
34 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
25 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 194 |
14 |
| Danfoss A/S | 1404 |
14 |
| CIFA SpA | 54 |
11 |
| Icon Technology, Inc. | 93 |
11 |
| Sika Technology AG | 2953 |
9 |
| Putzmeister Concrete Pumps GmbH | 15 |
8 |
| XtreeE | 14 |
8 |
| Caterpillar Inc. | 10151 |
7 |
| Saint-Gobain Weber France | 72 |
7 |
| Schwing GmbH | 11 |
7 |
| GE Infrastructure Technology, LLC | 6206 |
7 |
| Liebherr-Werk Biberach GmbH | 212 |
6 |
| PERI GmbH | 163 |
6 |
| Other owners | 285 |