Patent holdings for IPC class E02D 31/06

Total number of patents in this class: 72

10-year publication summary

9
11
5
5
8
2
5
12
11
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Warstone Innovations, LLC
11
5
Riccobene Designs LLC
13
4
China Three Gorges Corporation
176
4
Aquadation, LLC
14
3
Huesker Inc.
13
3
Copper Care Wood Preservatives, Inc.
12
3
Huaneng Clean Energy Research Institute
411
2
Silt-Saver, Inc.
20
2
Mkb Company, LLC
14
2
Shanghai Investigation, Design & Research Institute Co., Ltd.
29
2
Nippon Telegraph and Telephone Corporation
17040
1
Aramco Services Company
3894
1
Dolmit LLC
6
1
E-chem Technologies Limited
3
1
Ecole Polytechnique Federale de Lausanne (epfl)
1519
1
Econcrete Tech Ltd
21
1
Electric Power Research Institute, Inc.
212
1
GCP Applied Technologies Inc.
459
1
Hydrogard, LLC
11
1
Mkb Company
5
1
Other owners 32