- All sections
- E - Fixed constructions
- E04G - Scaffoldingformsshutteringbuilding implements or aids, or their usehandling building materials on the siterepairing, breaking-up or other work on existing buildings
- E04G 21/28 - Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
Patent holdings for IPC class E04G 21/28
Total number of patents in this class: 87
10-year publication summary
|
5
|
7
|
5
|
7
|
8
|
8
|
10
|
8
|
9
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4045 |
8 |
| Keiwa Inc. | 190 |
7 |
| System Stormseal Pty Ltd | 20 |
6 |
| PlusEight Technology AB | 19 |
4 |
| BAM Nuttall Limited | 5 |
4 |
| PERI GmbH | 165 |
3 |
| PERI SE | 444 |
3 |
| Armor Screen Corporation | 11 |
2 |
| Re-u-zip LLC | 14 |
2 |
| SRS Scaffolding Solutions Inc. | 2 |
2 |
| Toshiba Plant Systems & Services Corporation | 33 |
2 |
| GNB Global Inc. | 29 |
2 |
| Bygginsatsen I Nacka AB | 3 |
2 |
| Safe and Cover AB | 2 |
2 |
| Rohm and Haas Company | 2946 |
1 |
| Advanced Building Systems, Inc. | 12 |
1 |
| AECOM | 89 |
1 |
| Bripco BVBA | 39 |
1 |
| Duraframe, LLC | 4 |
1 |
| Inneo Torres, S.L. | 8 |
1 |
| Other owners | 32 |