Patent holdings for IPC class E01F 9/547

Total number of patents in this class: 13

10-year publication summary

2
2
1
2
1
0
2
1
8
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Amosense Co., Ltd.
478
4
Hangil HC Co., Ltd
2
2
Pierburg GmbH
464
1
Preform, LLC
3
1
OTW Holding Company
12
1
Incube
1
1
QUIROGA FERNANDEZ, Carlos
2
1
Const. e Inst. Antor S.L.
1
1
Globalstec Corp.
3
1
Other owners 0