- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 21/16 - Implements for after-treatment of plaster or the like, e.g. smoothing tools, profile trowels
Patent holdings for IPC class E04F 21/16
Total number of patents in this class: 170
10-year publication summary
25
|
17
|
23
|
21
|
18
|
16
|
31
|
17
|
17
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canvas Construction, Inc. | 28 |
13 |
Exceptional IP Holdings, LLC | 23 |
7 |
Ez-pro Texture Inc. | 12 |
7 |
United States Gypsum Company | 1002 |
7 |
Milwaukee Electric Tool Corporation | 4100 |
6 |
Scott Cutters Limited | 24 |
5 |
Guangdong Bright Dream Robotics Co., Ltd. | 163 |
5 |
Q-bot Limited | 30 |
4 |
Saint-Gobain Weber | 175 |
4 |
Wagman Metal Products, Inc. | 14 |
4 |
Acufloor, L.L.C. | 64 |
3 |
Etablissements Pierre Grehal et Cie SA | 29 |
3 |
Hangzhou Great Star Industrial Co., Ltd. | 589 |
3 |
Saint-Gobain Weber France | 51 |
3 |
NELA GmbH | 9 |
3 |
The Boeing Company | 19911 |
2 |
2446914 Ontario Inc. | 17 |
2 |
Bostik, Inc. | 212 |
2 |
Buddy Tools, LLC | 23 |
2 |
Creative Products International, Inc. | 19 |
2 |
Other owners | 83 |