- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/86 - Catalytic processes
Patent holdings for IPC class B01D 53/86
Total number of patents in this class: 4170
10-year publication summary
|
270
|
269
|
331
|
311
|
279
|
283
|
261
|
294
|
240
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
113 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
86 |
| Ibiden Co., Ltd. | 1736 |
80 |
| Johnson Matthey Public Limited Company | 1852 |
73 |
| NGK Insulators, Ltd. | 4792 |
64 |
| Mitsubishi Power, Ltd. | 1737 |
63 |
| Topsoe A/S | 829 |
54 |
| Saudi Arabian Oil Company | 12446 |
51 |
| Haldor Topsøe A/S | 674 |
51 |
| BASF Corporation | 1823 |
47 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
45 |
| Samsung Electronics Co., Ltd. | 139001 |
34 |
| The Chugoku Electric Power Co., Inc. | 505 |
34 |
| BASF SE | 20432 |
32 |
| Cataler Corporation | 563 |
32 |
| ThyssenKrupp Industrial Solutions AG | 690 |
28 |
| Mitsubishi Hitachi Power Systems, Ltd. | 995 |
26 |
| Hitachi Zosen Corporation | 621 |
25 |
| Casale SA | 595 |
24 |
| Hamilton Sundstrand Corporation | 4728 |
23 |
| Other owners | 3185 |