- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 1/22 - Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stone-like material with parts being prestressed
Patent holdings for IPC class E04B 1/22
Total number of patents in this class: 31
10-year publication summary
|
2
|
5
|
7
|
7
|
1
|
1
|
2
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Canterbury | 28 |
3 |
| China State Construction Engineering Corporation Limited | 26 |
3 |
| Kurosawa Construction Co., Ltd. | 9 |
2 |
| VSL International AG | 87 |
2 |
| China State Construction Academy Corporation Limited | 4 |
2 |
| Ajou University Industry-academic Cooperation Foundation | 969 |
1 |
| Andritz Technology and Asset Management GmbH | 90 |
1 |
| Commissariat à l'énergie et aux énergies alternatives | 13 |
1 |
| Elastic Potential, S.L. | 8 |
1 |
| Finfrock Industries, Inc. | 13 |
1 |
| Fujita Corporation | 37 |
1 |
| Full Stack Modular LLC | 5 |
1 |
| Kajima Corporation | 87 |
1 |
| Korea Institute of Civil Engineering and Building Technology | 129 |
1 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 29 |
1 |
| Nucor Corporation | 421 |
1 |
| Peikko Group Oy | 158 |
1 |
| Sekisui Chemical Co., Ltd. | 3303 |
1 |
| Societe Civile de Brevets Matiere | 9 |
1 |
| Sorkin, Felix | 29 |
1 |
| Other owners | 4 |