Patent holdings for IPC class E02D 33/00

Total number of patents in this class: 277

10-year publication summary

11
15
18
15
29
30
12
36
26
19
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Zhejiang University
3494
10
Qingdao University of Technology
645
8
Shandong University
1168
7
Vuyk Technology Holdings, LLC
8
6
Nanchang Yongqi Technology Development Co., Ltd.
5
5
LOADTEST, Inc.
19
4
Will N Well Property Sdn Bhd
5
4
Jibanshikenjo Co., Ltd.
7
4
Guangdong Zhongke Huada Engineering Test Co., Ltd.
8
4
CCCC Third Harbor Engineering Co., Ltd.
63
4
Chongqing University
312
3
Dalian University of Technology
1614
3
United Services Automobile Association (USAA)
3267
3
CCCC First Harbor Engineering Co., Ltd.
55
3
Vapor Products Group, LLC
12
3
GRL Engineers, Inc,
3
3
RBM Consulting Group, Inc.
3
3
Bauer Spezialtiefbau GmbH
112
2
Hohai University
224
2
Hydro-Quebec
639
2
Other owners 194