Patent holdings for IPC class B01D 29/62

Total number of patents in this class: 185

10-year publication summary

14
19
13
13
6
12
10
10
10
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Industries, Ltd.
15321
5
PanAsia Co., Ltd.
113
5
Ecolab USA Inc.
5444
4
Nihon Genryo Co., Ltd.
12
4
Panasonic Intellectual Property Management Co., Ltd.
30903
3
Fuji Filter Manufacturing Co., Ltd.
55
3
Hitachi Zosen Corporation
622
3
Hyundai Heavy Industries Co., Ltd.
275
3
Metawater Co., Ltd.
192
3
Nippon Oil Pump Co., Ltd.
29
3
Ticona LLC
586
3
Samsung Electronics Co., Ltd.
143812
2
Purdue Research Foundation
3561
2
1934612 Ontario Inc.
22
2
Aqseptence Group, Inc.
88
2
Ishigaki Company Limited
47
2
JPL Global, LLC
85
2
Kadant Lamort
22
2
Kanagawa Kiki Kogyo Co., Ltd.
9
2
Kobelco Eco-solutions Co., Ltd.
127
2
Other owners 128