- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/10 - JoistsGirders, trusses, or truss-like structures, e.g. prefabricatedLintelsTransoms of metal prestressed
Patent holdings for IPC class E04C 3/10
Total number of patents in this class: 34
10-year publication summary
|
2
|
3
|
5
|
3
|
7
|
1
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Big Time Investment, LLC | 38 |
4 |
| Stahl CraneSystems GmbH | 12 |
2 |
| Startlink Systems Ltd | 2 |
2 |
| Siemens AG | 24505 |
1 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
1 |
| biljax, inc. | 7 |
1 |
| China International Marine Containers (Group) Ltd. | 117 |
1 |
| Danpal | 1 |
1 |
| Eidgenossische Materialprufungs- und Forschungsanstalt EMPA | 14 |
1 |
| Grk Canada Ltd. | 4 |
1 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2414 |
1 |
| Konecranes Global Corporation | 477 |
1 |
| Korea Institute of Civil Engineering and Building Technology | 134 |
1 |
| Oy Shippax Ltd | 1 |
1 |
| ProTec Engineering, Inc. | 26 |
1 |
| Rautaruukki Oyj | 148 |
1 |
| re-Fer AG | 14 |
1 |
| Università Politecnica delle Marche | 31 |
1 |
| VSL International AG | 88 |
1 |
| Yooho Development & Construction Co. Ltd. | 2 |
1 |
| Other owners | 9 |