- 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 21/12 - Mounting of reinforcing insertsPrestressing
Patent holdings for IPC class E04G 21/12
Total number of patents in this class: 634
10-year publication summary
|
44
|
36
|
63
|
47
|
53
|
58
|
39
|
50
|
67
|
55
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Max Co., Ltd. | 853 |
189 |
| Makita Corporation | 2479 |
47 |
| Husqvarna AB | 2958 |
12 |
| Soletanche Freyssinet | 481 |
12 |
| Sumitomo Electric Industries, Ltd. | 15780 |
10 |
| SCHNELL S.p.A. | 91 |
10 |
| Sumitomo (SEI) Steel Wire Corp. | 40 |
8 |
| Ken Robotech Corp. | 10 |
8 |
| re-Fer AG | 14 |
7 |
| Tymatic Limited | 7 |
7 |
| Dayton Superior Corporation | 102 |
5 |
| Taizhou Xindalu Electronic Technology Co., Ltd. | 13 |
5 |
| VSL International AG | 89 |
5 |
| Robert Bosch GmbH | 43063 |
4 |
| General Technologies, Inc. | 31 |
4 |
| Lehigh University | 169 |
4 |
| Peikko Group Oy | 171 |
4 |
| Total PS Co., Ltd. | 4 |
4 |
| Samsung C&T Corporation | 191 |
4 |
| Seoul National University R&db Foundation | 3774 |
4 |
| Other owners | 281 |