- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 23/04 - Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material wherein the elements are reinforcing members the elements being stressed
Patent holdings for IPC class B28B 23/04
Total number of patents in this class: 87
10-year publication summary
|
8
|
8
|
16
|
8
|
8
|
9
|
5
|
6
|
8
|
4
|
| 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 | 2719 |
3 |
| Holcim Technology Ltd. | 780 |
3 |
| HPC Okinawa Co., Ltd. | 5 |
3 |
| Sumitomo Electric Industries, Ltd. | 15647 |
2 |
| IMI Systems Ltd. | 36 |
2 |
| Shandong University | 1055 |
2 |
| University of Houston System | 1092 |
2 |
| Wobben Properties GmbH | 1219 |
2 |
| LowSpan LLC | 4 |
2 |
| Prensoland, S.A. | 13 |
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 | 25 |
2 |
| Voestalpine Turnout Technology Zeltweg GmbH | 7 |
2 |
| Advanced Bridge Construction Technologies, Inc. | 2 |
2 |
| China Railway Seventh Group Co., Ltd | 22 |
2 |
| Zhengzhou Engineering Co., Ltd of China Railway Seventh Group | 12 |
2 |
| General Electric Company | 13858 |
1 |
| Other owners | 43 |