- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 5/23 - Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
Patent holdings for IPC class E04B 5/23
Total number of patents in this class: 50
10-year publication summary
|
3
|
3
|
6
|
12
|
6
|
1
|
3
|
3
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hickory Design Pty Ltd | 14 |
4 |
| Cree GmbH | 21 |
3 |
| Global Bamboo Technologies, Inc. | 31 |
3 |
| Implenia Schweiz AG | 13 |
2 |
| Waltgalmarini AG | 3 |
2 |
| Bathon, Leander | 2 |
1 |
| COR Engineering Limited | 2 |
1 |
| CSR Building Products Limited | 48 |
1 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 790 |
1 |
| Ecole Nationale des Ponts et Chaussees | 24 |
1 |
| Fensterfabrik Albisrieden AG | 1 |
1 |
| Garcia Santiago, Isidro | 1 |
1 |
| Laboratoire Central des Ponts et Chaussees | 7 |
1 |
| Leander Bathon | 3 |
1 |
| Metromont Corporation | 1 |
1 |
| Timber Structures 3.0 AG | 10 |
1 |
| Universidad de Alicante | 221 |
1 |
| Universidad de Valladolid | 114 |
1 |
| Universitat Duisburg-essen | 135 |
1 |
| Universite de Lorraine | 382 |
1 |
| Other owners | 21 |