Patent holdings for IPC class B01D 53/86

Total number of patents in this class: 4359

10-year publication summary

269
331
311
280
283
265
307
255
249
209
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
9279
97
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12282
92
Johnson Matthey Public Limited Company
1771
78
Mitsubishi Power, Ltd.
1841
64
Topsoe A/S
1083
60
Ibiden Co., Ltd.
1690
59
Saudi Arabian Oil Company
14446
55
Samsung Electronics Co., Ltd.
159978
50
Haldor Topsøe A/S
630
48
NGK Insulators, Ltd.
5162
47
BASF Mobile Emissions Catalysts LLC
428
45
Shell Internationale Research Maatschappij B.V.
3359
43
BASF SE
21339
34
The Chugoku Electric Power Co., Inc.
513
34
BASF Corporation
1679
31
Cataler Corporation
568
28
ThyssenKrupp Uhde GmbH
391
28
Casale SA
641
27
Mitsubishi Hitachi Power Systems, Ltd.
991
26
Uop LLC
4409
25
Other owners 3388