Patent holdings for IPC class E04B 1/92

Total number of patents in this class: 273

10-year publication summary

38
36
35
35
24
19
29
18
25
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Xyleco, Inc.
191
11
State Farm Mutual Automobile Insurance Company
3084
6
TDK Corporation
6689
5
Tokyu Construction Co., Ltd.
8
5
Armstrong World Industries, Inc.
356
4
Mitsubishi Cable Industries, Ltd.
155
4
Yoshino Gypsum Co., Ltd.
250
4
Smart Vent Products LLC
19
4
President and Fellows of Harvard College
5957
3
Louisiana-Pacific Corporation
256
3
Sentry Protection LLC
18
3
Southern Comfort Shelters, L.L.C.
5
3
Spie Batignolles Genie Civil
3
3
Bmic LLC
721
3
Jaxon Engineering and Maintenance,inc
3
3
3m Innovative Properties Company
17853
2
Raytheon Company
8389
2
Ctrap AB
3
2
Defenshield, Inc.
24
2
ILC Dover LP
35
2
Other owners 199