Patent holdings for IPC class E04B 1/92

Total number of patents in this class: 278

10-year publication summary

33
30
33
22
18
25
18
23
23
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Xyleco, Inc.
188
11
State Farm Mutual Automobile Insurance Company
3302
6
TDK Corporation
6805
5
Tokyu Construction Co., Ltd.
8
5
Armstrong World Industries, Inc.
360
4
Louisiana-Pacific Corporation
291
4
Mitsubishi Cable Industries, Ltd.
147
4
American University of Sharjah
16
4
Smart Vent Products LLC
20
4
President and Fellows of Harvard College
6048
3
Denka Company Limited
2692
3
Sentry Protection LLC
17
3
Yoshino Gypsum Co., Ltd.
263
3
Southern Comfort Shelters, L.L.C.
5
3
Spie Batignolles Genie Civil
3
3
Ubiq Technology Pty Ltd
9
3
Bmic LLC
786
3
Jaxon Engineering and Maintenance,inc
3
3
3m Innovative Properties Company
17536
2
Raytheon Company
8469
2
Other owners 200