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