Patent holdings for IPC class E04F 21/06

Total number of patents in this class: 114

10-year publication summary

7
8
9
1
13
7
2
6
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Owens Corning Intellectual Capital, LLC
1622
13
Ez-pro Texture Inc.
13
11
Johns Manville
932
5
United States Gypsum Company
898
5
Ames Tools Corporation
93
5
Graco Inc.
14
4
Level 5 Tools, LLC
20
4
Axia Acquisition Corporation
21
3
Groupe Refraco Inc.
17
3
Saint-Gobain Isover
636
3
3m Innovative Properties Company
17614
2
The Boeing Company
20101
2
Allway Tools, Inc.
38
2
BAE Systems Information and Electronic Systems Integration Inc.
1873
2
Etablissements Pierre Grehal et Cie SA
27
2
Graco Minnesota Inc.
1238
2
Husqvarna AB
2968
2
Knauf Insulation, Inc.
184
2
Artspan Inc.
3
2
Canvas Construction, Inc.
15
2
Other owners 38