- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 7/00 - Roof covering by sealing masses applied in situGravelling of flat roofs
Patent holdings for IPC class E04D 7/00
Total number of patents in this class: 189
10-year publication summary
|
19
|
17
|
11
|
26
|
22
|
20
|
28
|
18
|
16
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17849 |
17 |
| CertainTeed LLC | 569 |
15 |
| Bmic LLC | 712 |
15 |
| CertainTeed Corporation | 251 |
14 |
| U.S. Silica Company | 102 |
13 |
| Owens Corning Intellectual Capital, LLC | 1602 |
12 |
| Holcim Technology Ltd. | 974 |
6 |
| Henry Company, LLC | 234 |
5 |
| Sika Technology AG | 2845 |
5 |
| Milliken & Company | 1195 |
4 |
| BASF SE | 20777 |
3 |
| Rohm and Haas Company | 2906 |
3 |
| The Trustees of Columbia University in the City of New York | 3558 |
3 |
| Harco Americas, Inc. | 17 |
3 |
| Industrial Control Development, Inc. | 12 |
3 |
| Johns Manville | 955 |
3 |
| Remmers GmbH | 27 |
3 |
| Blue Planet Systems Corporation | 73 |
3 |
| Building Materials Investment Corporation | 140 |
2 |
| Close The Loop Technologies Pty Ltd. | 22 |
2 |
| Other owners | 55 |