Patent holdings for IPC class B28B 23/04

Total number of patents in this class: 89

10-year publication summary

8
9
20
9
9
9
6
6
8
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Morton Buildings, Inc.
39
4
The Board of Trustees of the University of Illinois
2666
3
HPC Okinawa Co., Ltd.
5
3
Sumitomo Electric Industries, Ltd.
14972
2
Holcim Technology Ltd.
995
2
IMI Systems Ltd.
36
2
Shandong University
974
2
University of Houston System
1038
2
Wobben Properties GmbH
1212
2
LowSpan LLC
4
2
Prensoland, S.A.
13
2
Solidian GmbH
31
2
Beijing Tieke Shougang Rail-tech. Co., Ltd
5
2
China Academy of Railway Sciences Railway Engineering Research Institute
11
2
Shanxi Gaohang Hydraulic LNC
2
2
voestalpine Railway Systems GmbH
27
2
Voestalpine Turnout Technology Zeltweg GmbH
7
2
Advanced Bridge Construction Technologies, Inc.
2
2
China Railway Seventh Group Co., Ltd
15
2
Zhengzhou Engineering Co., Ltd of China Railway Seventh Group
8
2
Other owners 45