- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 21/22 - Implements for finishing work on buildings for laying flooring of single elements, e.g. flooring cramps
Patent holdings for IPC class E04F 21/22
Total number of patents in this class: 191
10-year publication summary
|
17
|
13
|
25
|
22
|
24
|
33
|
48
|
25
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Acufloor, L.L.C. | 64 |
29 |
| Guangdong Bright Dream Robotics Co., Ltd. | 161 |
12 |
| Hangzhou Great Star Industrial Co., Ltd. | 603 |
9 |
| Germans Boada, S.A. | 126 |
7 |
| National Nail Corp. | 166 |
7 |
| Raimondi S.p.A. | 30 |
7 |
| Dakota Group S.A.S. di Zeno Cipriani & C. | 62 |
7 |
| ME Innovations Pty Ltd | 17 |
6 |
| Valinge Innovation AB | 979 |
5 |
| DTM Innovations LLC | 21 |
5 |
| MN Fastener LLC | 8 |
4 |
| Davinci Italia/USA Group, LLC | 24 |
4 |
| Industrias Peygran, S.L. | 14 |
3 |
| van der Vlis Design GmbH | 7 |
3 |
| BESSEY Tool GmbH & Co. KG | 117 |
2 |
| Cortag Indústria e Comercio Ltda. | 18 |
2 |
| Eth Singapore SEC Ltd | 7 |
2 |
| The Ipe Clip Fastener Company, LLC | 54 |
2 |
| Louisiana-Pacific Corporation | 256 |
2 |
| MAF Agrobotic | 45 |
2 |
| Other owners | 71 |