- 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 21/24 - Safety or protective measures preventing damage to building parts or finishing work during construction
Patent holdings for IPC class E04G 21/24
Total number of patents in this class: 188
10-year publication summary
|
14
|
28
|
14
|
23
|
30
|
24
|
22
|
30
|
17
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zipwall, LLC | 83 |
38 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3903 |
8 |
| Transhield, Inc. | 40 |
5 |
| Lasse Ramskov Holding ApS | 10 |
4 |
| RVT Group Limited | 53 |
4 |
| ENI S.p.A. | 1255 |
3 |
| Keiwa Inc. | 180 |
3 |
| PERI GmbH | 180 |
3 |
| PlusEight Technology AB | 17 |
3 |
| System Stormseal Pty Ltd | 21 |
3 |
| Wilhelm Layher Verwaltungs-GmbH | 72 |
3 |
| Avestin Limited | 4 |
3 |
| STARC Systems, Inc. | 4 |
3 |
| BAM Nuttall Limited | 4 |
3 |
| Armor Screen Corporation | 11 |
2 |
| McTech Group, Inc. | 20 |
2 |
| Mitek Holdings, Inc. | 248 |
2 |
| PrimeSource Building Products, Inc. | 267 |
2 |
| Ramshorn Corporation | 5 |
2 |
| Re-u-zip LLC | 12 |
2 |
| Other owners | 90 |