- 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: 155
10-year publication summary
|
23
|
28
|
17
|
16
|
9
|
12
|
8
|
4
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 932 |
22 |
| Knauf Gips KG | 643 |
10 |
| Saint-Gobain Adfors Canada, Ltd. | 62 |
6 |
| Louisiana-Pacific Corporation | 311 |
5 |
| Mortar Net USA, Ltd., DBA Mortar Net Solutions | 6 |
5 |
| Structa Wire Corp. | 13 |
4 |
| CertainTeed Gypsum, Inc. | 222 |
3 |
| E-Z Bead LLC | 20 |
3 |
| LATICRETE International, Inc. | 157 |
3 |
| Protektorwerk Florenz Maisch GmbH & Co. KG | 100 |
3 |
| ROCKWOOL International A/S | 282 |
3 |
| Shanghai Jianwei Cultural Heritage Conservation Tech. Co., Ltd | 27 |
3 |
| Mortar Net of Ohio, LLC | 28 |
3 |
| Disney Enterprises, Inc. | 6215 |
2 |
| Boral Stone Products LLC | 11 |
2 |
| Highland Technologies, LLC | 3 |
2 |
| International Paper Company | 600 |
2 |
| Masonry Technology, Inc. | 13 |
2 |
| Spiderlath, Inc. | 2 |
2 |
| Tree Island Industries Ltd. | 10 |
2 |
| Other owners | 68 |