Patent holdings for IPC class D04B 9/04

Total number of patents in this class: 3

10-year publication summary

0
1
0
1
1
0
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Groz-Beckert KG
369
1
SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
38
1
Shima Seiki Manufacturing
1
1
Other owners 0