Patent holdings for IPC class B01F 21/20

Total number of patents in this class: 136

10-year publication summary

0
1
0
6
3
12
14
29
21
23
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ecolab USA Inc.
5567
9
King Technology, Inc.
271
9
NxStage Medical, Inc.
295
4
Brine Masters, LLC
5
4
Meidensha Corporation
903
3
Novo Integrated Sciences, Inc.
11
3
Innovative Water Care, LLC
304
3
Hydrogen Tech IP Pty Limited AS Trustee for Hydrogen Tech IP Trust
3
3
BOTTIN, Marcelo
3
3
FARIA, Bruno Pires
3
3
DSM IP Assets B.V.
5553
2
2B1K Imports Pty Ltd
18
2
AMOREPACIFIC Corporation
2850
2
Hatch Ltd.
215
2
Hydro Magic LLC
3
2
Isopure, Corp.
19
2
Seko S.p.A.
49
2
Tetra Laval Holdings & Finance S.A.
2176
2
Graff Pehrson Vesterager GmbH
5
2
Vivonic GmbH
38
2
Other owners 72