- All sections
- E - Fixed constructions
- E01D - Bridges
- E01D 19/04 - BearingsHinges
Patent holdings for IPC class E01D 19/04
Total number of patents in this class: 182
10-year publication summary
9
|
13
|
26
|
18
|
26
|
15
|
14
|
7
|
5
|
4
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Maurer Engineering GmbH | 49 |
7 |
Shenzhen Municipal Design & Research Institute Co., Ltd. | 24 |
6 |
Shenzhen Innova-Wise Engineering Technology Consulting Co., Ltd. | 9 |
6 |
Bridge Bearing Manufacture Co., Ltd. | 7 |
6 |
Maurer Sohne Engineering GmbH & Co. KG | 13 |
5 |
The Yokohama Rubber Co., Ltd. | 4034 |
4 |
Oiles Corporation | 513 |
4 |
Sho-bond Corporation | 11 |
4 |
Worksafe Technologies | 18 |
4 |
Southeast University | 1406 |
3 |
Nanjing Maole Engineering Materials Co., Ltd. | 11 |
3 |
NEC Corporation | 35619 |
2 |
Omron Corporation | 7260 |
2 |
BYD Company Limited | 4978 |
2 |
CCCC First Highway Consultants Co Ltd | 14 |
2 |
Doka Industrie GmbH | 34 |
2 |
Dreco Energy Services Ltd. | 5 |
2 |
IHI Infrastructure Systems Co., Ltd. | 17 |
2 |
mageba S.A. | 4 |
2 |
R. J. Watson, Inc. | 4 |
2 |
Other owners | 112 |