Patent holdings for IPC class B01D 53/82

Total number of patents in this class: 537

10-year publication summary

47
43
46
39
31
41
41
45
70
73
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
9128
10
Robert Bosch GmbH
44160
9
NGK Insulators, Ltd.
5236
8
IHI Corporation
3535
8
Kurita Water Industries Ltd.
1283
8
Lawrence Livermore National Security, LLC
1973
6
8 Rivers Capital, LLC
232
6
Tohoku University
2980
6
Toyobo Co., Ltd.
2535
6
International Business Machines Corporation
62634
5
W. L. Gore & Associates, Inc.
2720
5
Asahi Kasei Kabushiki Kaisha
2833
5
Enverid Systems, Inc.
80
5
Gigaphoton Inc.
1326
5
IFP Energies Nouvelles
3098
5
Global Thermostat Operations LLC
57
5
The Boeing Company
20160
4
ExxonMobil Research And Engineering Company
2422
4
Hamilton Sundstrand Corporation
5015
4
Chemical and Metal Technologies LLC
12
4
Other owners 419