- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation 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: 124
10-year publication summary
|
20
|
10
|
11
|
9
|
10
|
9
|
8
|
8
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 805 |
9 |
| T&M Inventions, LLC | 27 |
8 |
| Solatube International, Inc. | 61 |
7 |
| VKR Holding A/S | 583 |
6 |
| Vermont Slate & Copper Services, Inc. | 18 |
4 |
| Hail Signature Technologies, L.L.C. | 5 |
3 |
| SC Innovation, LLC | 4 |
3 |
| Amazon Technologies, Inc. | 28066 |
2 |
| Georgia-Pacific Gypsum LLC | 225 |
2 |
| BlueScope Buildings North America, Inc. | 84 |
2 |
| Garland Industries, Inc. | 103 |
2 |
| Wickright, Inc. | 9 |
2 |
| Restco Roofing, Inc. | 3 |
2 |
| The Regents of the University of California | 20720 |
1 |
| Honeywell International Inc. | 12778 |
1 |
| Mitsubishi Electric Corporation | 47971 |
1 |
| Hubbell Incorporated | 3442 |
1 |
| Activar Construction Products Group, Inc. | 12 |
1 |
| Austin Building and Design Inc. | 13 |
1 |
| Bellwether Design Technologies, LLC | 3 |
1 |
| Other owners | 65 |