- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/34 - ColumnsPillarsStruts of concrete or other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Patent holdings for IPC class E04C 3/34
Total number of patents in this class: 221
10-year publication summary
|
31
|
28
|
35
|
17
|
24
|
20
|
11
|
21
|
13
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| South China University of Technology | 1869 |
10 |
| Anchor Wall Systems, Inc. | 165 |
6 |
| Tindall Corporation | 52 |
5 |
| Hainan University | 168 |
4 |
| King Saud University | 492 |
4 |
| Neturen Co., Ltd. | 198 |
4 |
| Southeast University | 1521 |
4 |
| ArcelorMittal | 2541 |
3 |
| Herron Intellectual Property Holdings, LLC | 4 |
3 |
| Jack Walters & Sons, Corp. | 14 |
3 |
| Socpra Sciences et Genie S.E.C. | 208 |
3 |
| Warstone Innovations, LLC | 11 |
3 |
| Porr Bau GmbH | 25 |
3 |
| Samsung C&T Corporation | 184 |
3 |
| Seoul National University R&db Foundation | 4021 |
3 |
| China State Construction Engineering Corporation Limited | 26 |
3 |
| Zengcheng Biguiyuan Real Estate Development Co., Ltd. | 10 |
3 |
| Carboshield, Inc. | 11 |
3 |
| China Construction Science & Technology Group Co., Ltd. | 28 |
3 |
| Henkel AG & Co. KGaA | 10705 |
2 |
| Other owners | 146 |