Patent holdings for IPC class B01D 63/08

Total number of patents in this class: 1474

10-year publication summary

130
103
150
135
107
94
84
105
75
55
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Kubota Corporation
4388
41
Sartorius Stedim Biotech GmbH
873
41
EMD Millipore Corporation
631
40
Amogreentech Co., Ltd.
644
30
Smartflow Technologies, Inc.
57
25
The Regents of the University of California
20720
21
Toray Industries, Inc.
7096
21
The Charles Stark Draper Laboratory, Inc.
946
21
Merck Patent GmbH
5725
19
Murata Manufacturing Co., Ltd.
25722
18
Element 1 Corp.
42
17
FUJIFILM Manufacturing Europe B.V.
248
17
Meidensha Corporation
932
17
W. L. Gore & Associates, Inc.
2719
16
Inscripta, Inc., FORMERLY Muse Biotechnology, Inc.
270
15
FUJIFILM Corporation
30512
13
Nitto Denko Corporation
8526
13
Fibracast Ltd.
29
13
MAHLE International GmbH
2911
13
Cytiva US LLC
202
13
Other owners 1050