- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 21/00 - Implements for finishing work on buildings
Patent holdings for IPC class E04F 21/00
Total number of patents in this class: 462
10-year publication summary
|
49
|
66
|
63
|
57
|
43
|
63
|
39
|
33
|
38
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Acufloor, L.L.C. | 68 |
40 |
| Raimondi S.p.A. | 30 |
13 |
| DTM Innovations LLC | 22 |
13 |
| JLG Industries, Inc. | 266 |
12 |
| Masonite Corporation | 702 |
12 |
| Dakota Group S.A.S. di Zeno Cipriani & C. | 73 |
12 |
| Cnvs (assignment for The Benefit of Creditors), LLC | 19 |
12 |
| United States Gypsum Company | 903 |
10 |
| Dissing A/S | 47 |
9 |
| Davinci Italia/USA Group, LLC | 23 |
8 |
| Germans Boada, S.A. | 68 |
6 |
| ME Innovations Pty Ltd | 17 |
6 |
| Pella Corporation | 246 |
6 |
| Wellington Investment Corporation | 8 |
6 |
| Industrias Peygran, S.L. | 14 |
6 |
| Graco Inc. | 14 |
5 |
| Axia Acquisition Corporation | 20 |
4 |
| ClarkWestern Dietrich Building Systems LLC | 110 |
4 |
| Valinge Innovation AB | 1026 |
4 |
| Endura Products, LLC | 221 |
4 |
| Other owners | 270 |