Patent holdings for IPC class D21D 1/00

Total number of patents in this class: 134

10-year publication summary

6
6
9
15
14
16
7
9
9
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Voith Patent GmbH
2755
16
Andritz Inc.
333
14
International Paper Company
790
13
Stora Enso Oyj
1637
8
Fiberlean Technologies Limited
114
7
Valmet Technologies Oy
287
6
Domtar Paper Company, LLC
121
4
FPInnovations
244
4
UPM-Kymmene Corporation
938
4
Valmet AB
503
3
Valmet Technologies, Inc.
147
3
ABB Research Ltd.
887
2
Aikawa Iron Works Co., Ltd.
7
2
Andritz Fiedler GmbH
28
2
Buckman Laboratories International, Inc.
235
2
Kadant Lamort
23
2
Philippe Saint GER AG
9
2
Polycorp Ltd.
67
2
The University of British Columbia
1497
2
WestRock MWV, LLC
340
2
Other owners 34