Patent holdings for IPC class E04F 21/06

Total number of patents in this class: 111

10-year publication summary

6
7
8
9
1
13
7
2
6
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Owens Corning Intellectual Capital, LLC
1623
13
Ez-pro Texture Inc.
13
11
Johns Manville
944
5
United States Gypsum Company
907
5
Ames Tools Corporation
91
5
Graco Inc.
14
4
Level 5 Tools, LLC
20
4
Axia Acquisition Corporation
21
3
Groupe Refraco Inc.
17
3
Saint-Gobain Isover
618
3
3m Innovative Properties Company
17739
2
The Boeing Company
20151
2
Allway Tools, Inc.
38
2
Etablissements Pierre Grehal et Cie SA
27
2
Graco Minnesota Inc.
1221
2
Husqvarna AB
2946
2
Knauf Insulation, Inc.
188
2
Artspan Inc.
3
2
Canvas Construction, Inc.
32
2
Societe Financiere et de Realisations (sfir)
3
2
Other owners 35