- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 21/18 - Implements for finishing work on buildings for setting wall or ceiling slabs or plates
Patent holdings for IPC class E04F 21/18
Total number of patents in this class: 322
10-year publication summary
|
36
|
47
|
30
|
47
|
63
|
39
|
38
|
49
|
35
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Acufloor, L.L.C. | 63 |
22 |
| Davinci Italia/USA Group, LLC | 26 |
16 |
| Canvas Construction, Inc. | 26 |
12 |
| Guangdong Bright Dream Robotics Co., Ltd. | 164 |
9 |
| Etablissements Pierre Grehal et Cie SA | 33 |
8 |
| Raimondi S.p.A. | 26 |
8 |
| Dakota Group S.A.S. di Zeno Cipriani & C. | 45 |
8 |
| Acculign Holdings, Inc. | 12 |
7 |
| Germans Boada, S.A. | 129 |
6 |
| Hangzhou Great Star Industrial Co., Ltd. | 530 |
6 |
| ME Innovations Pty Ltd | 16 |
6 |
| New Standards Manufacturing Co. | 12 |
5 |
| Progress Profiles SpA | 93 |
5 |
| Industrias Peygran, S.L. | 11 |
5 |
| CertainTeed LLC | 511 |
4 |
| Illinois Tool Works Inc. | 11152 |
3 |
| DIRTT Environmental Solutions, Ltd. | 329 |
3 |
| Saint-Gobain Placo | 176 |
3 |
| Valinge Innovation AB | 915 |
3 |
| Termoplast S.r.l. | 14 |
3 |
| Other owners | 180 |