- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/58 - Connections for building structures in general of bar-shaped building elements
Patent holdings for IPC class E04B 1/58
Total number of patents in this class: 614
10-year publication summary
|
48
|
53
|
68
|
66
|
63
|
57
|
68
|
55
|
46
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao University of Technology | 612 |
24 |
| Sekisui House, Ltd. | 191 |
18 |
| Nippon Steel Corporation | 6238 |
15 |
| JFE Steel Corporation | 6840 |
13 |
| Hitachi Metals Techno, Ltd. | 19 |
11 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
11 |
| South China University of Technology | 1785 |
11 |
| Shelter Co., Ltd. | 15 |
9 |
| Iida Sangyo Co., Ltd. | 14 |
7 |
| JFE Civil Engineering & Construction Corporation | 15 |
5 |
| Simpson Strong-Tie Company, Inc. | 723 |
5 |
| Uhcs Property SA | 11 |
5 |
| Bull Moose Tube Company | 13 |
4 |
| Grovist Innovations, LLC | 6 |
4 |
| Uchida Yoko Co., Ltd. | 25 |
4 |
| 2724889 Ontario Inc. | 44 |
4 |
| Senvex | 8 |
4 |
| Z-modular Holding, Inc. | 29 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8715 |
3 |
| AluHouse Technology (GD) Company Limited | 27 |
3 |
| Other owners | 450 |