- 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 21/02 - Conveying or working-up concrete or similar masses able to be heaped or cast
Patent holdings for IPC class E04G 21/02
Total number of patents in this class: 216
10-year publication summary
|
14
|
7
|
8
|
14
|
20
|
23
|
20
|
24
|
24
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
16 |
| Sany Heavy Industry Co., Ltd. | 243 |
16 |
| Sany Automobile Manufacturing Co., Ltd. | 135 |
13 |
| Aquasmart Enterprises, LLC | 26 |
8 |
| Putzmeister Engineering GmbH | 341 |
7 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 382 |
7 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
5 |
| Shaw Craftsman Concrete, LLC | 26 |
5 |
| Denka Company Limited | 2629 |
4 |
| Universidad Tecnica Federico Santa Maria | 130 |
4 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 625 |
3 |
| Just.will Co., Ltd. | 10 |
3 |
| Stout Conveyors, LLC | 8 |
3 |
| Beijing Zhi Ke Investment and Management Co., Ltd. | 49 |
2 |
| Beiqi Foton Motor Co., Ltd. | 169 |
2 |
| Caterpillar Paving Products Inc. | 673 |
2 |
| Contech Engineered Solutions LLC | 276 |
2 |
| Max Co., Ltd. | 860 |
2 |
| Nippon Shokubai Co., Ltd. | 1496 |
2 |
| Other owners | 107 |