- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 7/18 - Special structures in or on roofs, e.g. dormer windows
Patent holdings for IPC class E04B 7/18
Total number of patents in this class: 129
10-year publication summary
|
22
|
19
|
20
|
10
|
11
|
9
|
10
|
9
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solatube International, Inc. | 65 |
10 |
| T&M Inventions, LLC | 29 |
10 |
| VKR Holding A/S | 575 |
7 |
| Bmic LLC | 630 |
6 |
| Hail Signature Technologies, L.L.C. | 5 |
3 |
| Vermont Slate & Copper Services, Inc. | 14 |
3 |
| Wickright, Inc. | 10 |
3 |
| SC Innovation, LLC | 4 |
3 |
| Amazon Technologies, Inc. | 24422 |
2 |
| Georgia-Pacific Gypsum LLC | 204 |
2 |
| BlueScope Buildings North America, Inc. | 76 |
2 |
| Butler Manufacturing Company | 5 |
2 |
| Garland Industries, Inc. | 84 |
2 |
| OMG, Inc. | 146 |
2 |
| Repasky, John | 5 |
2 |
| The Regents of the University of California | 18943 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Hubbell Incorporated | 3052 |
1 |
| Activar Construction Products Group, Inc. | 4 |
1 |
| Other owners | 65 |