Patent holdings for IPC class B63B 21/36

Total number of patents in this class: 3

10-year publication summary

1
1
1
0
1
1
1
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dalian University of Technology
1508
1
Black Tie Brands, LLC
13
1
Korea Marine Equipment Research Institute
9
1
Other owners 0