- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 5/28 - Cross-ribbed floors
Patent holdings for IPC class E04B 5/28
Total number of patents in this class: 16
10-year publication summary
|
2
|
2
|
1
|
3
|
0
|
3
|
3
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pace Building Technologies Inc. | 8 |
3 |
| Illinois Tool Works Inc. | 11386 |
1 |
| Finnfoam Oy | 12 |
1 |
| Ruentex Engineering & Construction Co., Ltd. | 32 |
1 |
| Technische Universitat Wien | 378 |
1 |
| Universite de Lorraine | 368 |
1 |
| Roomstar Co., Ltd. | 2 |
1 |
| Central Research Institute of Building and Construction Co., Ltd. MCC Group | 7 |
1 |
| Djd Projects Pty Ltd | 3 |
1 |
| Proadveng Ingenieros Consultores, S.L. | 1 |
1 |
| Xi'an University of Architecture and Technology | 48 |
1 |
| CSIC International Engineering Co., Ltd | 4 |
1 |
| Ruentex Construction & Engineering Co., Ltd. | 1 |
1 |
| Beijing Construction Engineering Group Co. Ltd | 1 |
1 |
| Other owners | 0 |