- 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: 683
10-year publication summary
|
42
|
67
|
49
|
60
|
61
|
46
|
63
|
75
|
70
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Max Co., Ltd. | 864 |
222 |
| Makita Corporation | 2557 |
49 |
| Husqvarna AB | 3032 |
14 |
| SCHNELL S.p.A. | 96 |
11 |
| Soletanche Freyssinet | 492 |
11 |
| Sumitomo Electric Industries, Ltd. | 16305 |
10 |
| Sumitomo (SEI) Steel Wire Corp. | 34 |
8 |
| Ken Robotech Corp. | 9 |
8 |
| re-Fer AG | 14 |
7 |
| Tymatic Limited | 7 |
7 |
| Taizhou Xindalu Electronic Technology Co., Ltd. | 16 |
6 |
| Dayton Superior Corporation | 102 |
5 |
| General Technologies, Inc. | 34 |
5 |
| VSL International AG | 92 |
5 |
| Robert Bosch GmbH | 44128 |
4 |
| Lehigh University | 172 |
4 |
| Peikko Group Oy | 171 |
4 |
| Total PS Co., Ltd. | 4 |
4 |
| Samsung C&T Corporation | 186 |
4 |
| Seoul National University R&db Foundation | 4154 |
4 |
| Other owners | 291 |