Patent holdings for IPC class B01D 53/38

Total number of patents in this class: 178

10-year publication summary

12
3
12
13
13
12
17
6
10
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Class 1 Inc.
22
7
BHT Services Pte. Ltd.
23
5
Mitsubishi Heavy Industries, Ltd.
9034
4
International Business Machines Corporation
62295
3
MIRAIE Corporation
5
3
Sintokogio, Ltd.
1186
3
Toyobo Co., Ltd.
2521
3
Samsung Electronics Co., Ltd.
154751
2
Applied Materials, Inc.
20112
2
NGK Insulators, Ltd.
5215
2
Chemical and Metal Technologies LLC
12
2
Chemisch Thermische Prozesstechnik GmbH
12
2
Cormetech, Inc.
40
2
Edwards Limited
781
2
Kanken Techno Co., Ltd.
65
2
Ryncosmos, LLC
5
2
TDA Research, Inc.
82
2
Messer Industries USA, Inc.
123
2
EVO America, LLC
26
2
Caldwell Energy Company, LLC
8
2
Other owners 124