- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 17/06 - Light shafts, e.g. for cellars
Patent holdings for IPC class E04F 17/06
Total number of patents in this class: 25
10-year publication summary
|
3
|
1
|
2
|
0
|
8
|
2
|
3
|
4
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rockwell LLC | 15 |
12 |
| Heliobus AG | 11 |
2 |
| Gestion Jacques Quirion Inc. | 2 |
1 |
| Monarch Materials Group, Inc. | 19 |
1 |
| Solatube International, Inc. | 61 |
1 |
| Turtl Enterprises LLC | 3 |
1 |
| Universidad de Chile | 178 |
1 |
| Western Forms, Inc. | 10 |
1 |
| Boral Building Products Inc. | 3 |
1 |
| Long Island Egress Pros Inc. | 7 |
1 |
| Just-in House | 1 |
1 |
| Westlake Royal Building Products Inc. | 211 |
1 |
| ACO Ahlmann SE & Co. KG | 331 |
1 |
| Other owners | 0 |