- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 7/00 - Roof covering by sealing masses applied in situ; Gravelling of flat roofs
Patent holdings for IPC class E04D 7/00
Total number of patents in this class: 182
10-year publication summary
|
18
|
19
|
17
|
11
|
26
|
22
|
20
|
27
|
16
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
18 |
| CertainTeed LLC | 511 |
15 |
| CertainTeed Corporation | 299 |
14 |
| Owens Corning Intellectual Capital, LLC | 1456 |
12 |
| U.S. Silica Company | 99 |
12 |
| Bmic LLC | 630 |
11 |
| Holcim Technology Ltd. | 868 |
7 |
| Henry Company, LLC | 206 |
5 |
| Sika Technology AG | 2650 |
5 |
| Milliken & Company | 1253 |
4 |
| BASF SE | 19740 |
3 |
| The Trustees of Columbia University in the City of New York | 3440 |
3 |
| Kaneka Corporation | 4445 |
3 |
| Harco Americas, Inc. | 15 |
3 |
| Industrial Control Development, Inc. | 12 |
3 |
| Johns Manville | 980 |
3 |
| Remmers GmbH | 26 |
3 |
| Blue Planet Systems Corporation | 65 |
3 |
| Rohm and Haas Company | 2805 |
2 |
| Building Materials Investment Corporation | 158 |
2 |
| Other owners | 51 |