- All sections
- E - Fixed constructions
- E04C - Structural elements; building materials
- E04C 3/34 - Columns; Pillars; Struts 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: 208
10-year publication summary
|
22
|
33
|
31
|
28
|
35
|
17
|
24
|
20
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| South China University of Technology | 1581 |
7 |
| Anchor Wall Systems, Inc. | 227 |
6 |
| Tindall Corporation | 51 |
5 |
| Hainan University | 142 |
4 |
| King Saud University | 332 |
4 |
| Neturen Co., Ltd. | 193 |
4 |
| Southeast University | 1148 |
4 |
| ArcelorMittal | 1887 |
3 |
| Beijing University of Technology | 437 |
3 |
| Jack Walters & Sons, Corp. | 15 |
3 |
| Socpra Sciences et Genie S.E.C. | 167 |
3 |
| Warstone Innovations, LLC | 11 |
3 |
| Porr Bau GmbH | 24 |
3 |
| Seoul National University R&db Foundation | 2976 |
3 |
| China State Construction Engineering Corporation Limited | 26 |
3 |
| Euro Engineering Co., Ltd. | 9 |
3 |
| Zengcheng Biguiyuan Real Estate Development Co., Ltd. | 10 |
3 |
| Ajou University Industry-academic Cooperation Foundation | 877 |
2 |
| Board of Regents of The Nevada System of Higher Education, on Behalf of The University of Nevada, Reno | 131 |
2 |
| ConXtech, Inc. | 89 |
2 |
| Other owners | 138 |