- 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: 126
10-year publication summary
|
15
|
10
|
10
|
9
|
7
|
7
|
6
|
7
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| T&M Inventions, LLC | 29 |
10 |
| Bmic LLC | 782 |
9 |
| Solatube International, Inc. | 62 |
7 |
| VKR Holding A/S | 572 |
7 |
| Vermont Slate & Copper Services, Inc. | 18 |
4 |
| Hail Signature Technologies, L.L.C. | 5 |
3 |
| SC Innovation, LLC | 4 |
3 |
| Amazon Technologies, Inc. | 27426 |
2 |
| Georgia-Pacific Gypsum LLC | 222 |
2 |
| BlueScope Buildings North America, Inc. | 83 |
2 |
| Garland Industries, Inc. | 97 |
2 |
| Wickright, Inc. | 9 |
2 |
| The Regents of the University of California | 20339 |
1 |
| Honeywell International Inc. | 13559 |
1 |
| Mitsubishi Electric Corporation | 47267 |
1 |
| Hubbell Incorporated | 3361 |
1 |
| Activar Construction Products Group, Inc. | 12 |
1 |
| Austin Building and Design Inc. | 14 |
1 |
| Bellwether Design Technologies, LLC | 3 |
1 |
| Bilco Company, The | 24 |
1 |
| Other owners | 65 |