Patent holdings for IPC class B01D 9/00

Total number of patents in this class: 1136

10-year publication summary

74
123
127
92
99
92
73
109
65
60
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sulzer Management AG
712
30
BASF SE
21306
26
Veolia Water Technologies, Inc.
82
14
Commissariat à l'énergie atomique et aux energies alternatives
11127
10
Sulzer Chemtech AG
62
10
LG Chem, Ltd.
17950
8
E. & J. Gallo Winery
1967
8
M. Technique Co., Ltd.
252
8
Nippon Shokubai Co., Ltd.
1534
8
INEOS US Chemicals Company
33
8
Carbon Engineering ULC
80
8
Massachusetts Institute of Technology
10282
7
GEA Messo GmbH
9
7
Siemens AG
23996
6
Biosyn Arzneimittel GmbH
70
6
Cap III B.V.
56
6
CJ Cheiljedang Corporation
3667
6
Sanuwave, Inc.
67
6
Naturamide IP LLC
13
6
Schlumberger Technology Corporation
11879
5
Other owners 943