- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/32 - ColumnsPillarsStruts of metal
Patent holdings for IPC class E04C 3/32
Total number of patents in this class: 251
10-year publication summary
|
32
|
41
|
32
|
32
|
29
|
23
|
20
|
21
|
24
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitek Holdings, Inc. | 248 |
10 |
| Cemco, LLC | 132 |
10 |
| JFE Steel Corporation | 7527 |
8 |
| Bull Moose Tube Company | 13 |
7 |
| Porta-Fab Corporation | 13 |
6 |
| Senqcia Corporation | 36 |
5 |
| Stonelake Pty Ltd | 11 |
5 |
| Telling Industries, LLC | 19 |
5 |
| Tower Solutions, LLC | 21 |
5 |
| Jiangsu Huning Steel; Mechanism Co., Ltd | 12 |
4 |
| Sunbelt Rentals, Inc. | 93 |
4 |
| China Construction Science & Technology Group Co., Ltd. | 29 |
4 |
| Donovan Group Holdings Limited | 22 |
4 |
| Atlantic Industries Limited | 6 |
3 |
| Behr Process Corporation | 180 |
3 |
| Herron Intellectual Property Holdings, LLC | 4 |
3 |
| King Saud University | 513 |
3 |
| Knauf Gips KG | 642 |
3 |
| Nippon Steel Corporation | 6871 |
3 |
| Simpson Strong-Tie Company, Inc. | 743 |
3 |
| Other owners | 153 |