Patent holdings for IPC class E01C 7/04

Total number of patents in this class: 8

10-year publication summary

3
0
0
0
0
2
0
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dongre Laboratory Services, Inc.
3
1
Geotech Technologies Ltd.
20
1
HeidelbergCement AG
79
1
Paradox Access Solutions Inc.
6
1
Rockwool A/S
799
1
Wakecroft Trust
1
1
Dragon Group KFT
2
1
China Harbour Engineering Company Ltd.
67
1
Other owners 0