Patent holdings for IPC class D21F 1/60

Total number of patents in this class: 7

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Andritz Oy
281
2
Stowe Woodward Licensco, LLC
48
2
Seiko Epson Corporation
19005
1
BS Co., Ltd.
4
1
Woollard and Henry Ltd.
1
1
Other owners 0