- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/32 - Arched structuresVaulted structuresFolded structures
Patent holdings for IPC class E04B 1/32
Total number of patents in this class: 348
10-year publication summary
|
50
|
71
|
50
|
36
|
40
|
41
|
28
|
24
|
19
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AIL International Inc. | 67 |
7 |
| Ebert Composites Corporation | 31 |
7 |
| Xybix Systems, Inc. | 9 |
6 |
| Atlantic Industries Limited | 6 |
4 |
| Ecole Nationale des Ponts et Chaussees | 23 |
4 |
| Spherical Block LLC | 9 |
4 |
| Yugenkaisha Japan Tsusyo | 11 |
4 |
| Southern Comfort Shelters, L.L.C. | 5 |
4 |
| Golf Pro Delivered, LLC | 5 |
3 |
| Kt-shelter Oy | 5 |
3 |
| Lock-Block Ltd. | 31 |
3 |
| M.I.C. Industries, Inc. | 17 |
3 |
| Qatar Football Association | 9 |
3 |
| Singapore University of Technology and Design | 236 |
3 |
| Universidad de Alicante | 232 |
3 |
| Wood-skin S.r.l.s. | 3 |
3 |
| Zhejiang University | 3367 |
3 |
| Imam Abdulrahman Bin Faisal University | 581 |
3 |
| Ojjo, Inc. | 130 |
3 |
| Willowbrook Capital Group, LLC | 10 |
3 |
| Other owners | 272 |