- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 13/04 - Bases for plaster
Patent holdings for IPC class E04F 13/04
Total number of patents in this class: 162
10-year publication summary
|
30
|
18
|
23
|
28
|
17
|
16
|
9
|
12
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 1019 |
24 |
| Knauf Gips KG | 534 |
11 |
| Saint-Gobain Adfors Canada, Ltd. | 68 |
6 |
| Mortar Net USA, Ltd., DBA Mortar Net Solutions | 6 |
5 |
| Structa Wire Corp. | 14 |
5 |
| Louisiana-Pacific Corporation | 203 |
4 |
| CertainTeed Gypsum, Inc. | 180 |
3 |
| E-Z Bead LLC | 20 |
3 |
| LATICRETE International, Inc. | 141 |
3 |
| Protektorwerk Florenz Maisch GmbH & Co. KG | 82 |
3 |
| Under-cover | 7 |
3 |
| ROCKWOOL International A/S | 323 |
3 |
| 3D Coatings GmbH & Co. KG | 10 |
3 |
| Mortar Net of Ohio, LLC | 32 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Boral Stone Products LLC | 13 |
2 |
| Highland Technologies, LLC | 4 |
2 |
| International Paper Company | 857 |
2 |
| Nichiha Corporation | 186 |
2 |
| Spiderlath, Inc. | 2 |
2 |
| Other owners | 71 |