- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/38 - Arched girders or portal frames
Patent holdings for IPC class E04C 3/38
Total number of patents in this class: 27
10-year publication summary
|
5
|
3
|
4
|
2
|
2
|
2
|
2
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Simpson Strong-Tie Company, Inc. | 749 |
3 |
| Nextpower, L.L.C. | 575 |
3 |
| Pibridge Ltd | 6 |
2 |
| Trussed Systems Limited | 3 |
2 |
| Thales SA | 2396 |
1 |
| Dynamic Shelters Inc. | 12 |
1 |
| The European Union, represented by The European Commission | 207 |
1 |
| Fox Hardwood Lumber Company, L.L.C. | 44 |
1 |
| Gossamer Space Frames | 13 |
1 |
| PABCO Building Products, LLC | 7 |
1 |
| Sener, Ingenieria y Sistemas, S.A. | 43 |
1 |
| Sioux Steel Company | 92 |
1 |
| Thomas Gerard Langmeier | 1 |
1 |
| Universita degli Studi di Salerno | 57 |
1 |
| Marywood University | 5 |
1 |
| Engineering Innovations Group Pty Limited | 4 |
1 |
| Macrotec Holdings Pty Ltd | 1 |
1 |
| Marte and Marte Limited Zweigniederlassung Österreich | 1 |
1 |
| Neographic Digital | 1 |
1 |
| 1376718 B.C. Ltd. | 1 |
1 |
| Other owners | 1 |