- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 13/02 - Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
Patent holdings for IPC class E04F 13/02
Total number of patents in this class: 127
10-year publication summary
19
|
18
|
13
|
12
|
11
|
6
|
14
|
7
|
8
|
3
|
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 |
6 |
Wellington Investment Corporation | 9 |
5 |
Sika Technology AG | 2650 |
4 |
Yoshino Gypsum Co., Ltd. | 224 |
4 |
O'daniels, LLC. | 55 |
4 |
Knauf Gips KG | 534 |
3 |
Prime Forming & Construction Supplies, Inc. | 22 |
3 |
3m Innovative Properties Company | 18406 |
2 |
Armstrong World Industries, Inc. | 347 |
2 |
CertainTeed Gypsum, Inc. | 180 |
2 |
Ceves Vergeer B.V. | 12 |
2 |
Continental Building Products Canada Inc. | 19 |
2 |
E-Z Bead LLC | 20 |
2 |
KMEW Co., Ltd. | 38 |
2 |
Lafarge Platres | 20 |
2 |
Shenzhen Grandland Decoration Group Co., Ltd. | 4 |
2 |
Studco Building Systems US, LLC | 36 |
2 |
Toto Ltd. | 1096 |
2 |
Wacker Chemie AG | 2091 |
2 |
Yugenkaisha Japan Tsusyo | 16 |
2 |
Other owners | 72 |