- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 1/00 - Roof covering by making use of tiles, slates, shingles, or other small roofing elements
Patent holdings for IPC class E04D 1/00
Total number of patents in this class: 444
10-year publication summary
|
25
|
27
|
36
|
31
|
44
|
40
|
39
|
38
|
44
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 806 |
100 |
| Owens Corning Intellectual Capital, LLC | 1733 |
66 |
| CertainTeed LLC | 646 |
36 |
| CertainTeed Corporation | 205 |
26 |
| GAF Energy LLC | 208 |
14 |
| Specialty Granules Investments LLC | 47 |
12 |
| 3m Innovative Properties Company | 17445 |
8 |
| Building Materials Investment Corporation | 135 |
8 |
| Derby Building Products Inc. | 86 |
8 |
| Roofers' Advantage Products, LLC | 25 |
6 |
| TAMKO Building Products LLC | 185 |
6 |
| Bmrc LLC | 36 |
6 |
| Progressive Foam Technologies, Inc. | 70 |
5 |
| Iowa State University Research Foundation, Inc. | 840 |
4 |
| Freiborg Enterprises, Inc. | 9 |
4 |
| Deutsche Bank AG New York Branch, AS Successor Collateral Agent | 45 |
4 |
| Amrize Technology Switzerland LLC | 721 |
4 |
| Englert, Inc. | 38 |
3 |
| Louisiana-Pacific Corporation | 315 |
3 |
| U.S. Silica Company | 112 |
3 |
| Other owners | 118 |