- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/86 - Catalytic processes
Patent holdings for IPC class B01D 53/86
Total number of patents in this class: 4257
10-year publication summary
|
239
|
249
|
308
|
291
|
267
|
272
|
249
|
287
|
241
|
213
|
| 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) | 12657 |
99 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
96 |
| Johnson Matthey Public Limited Company | 1768 |
73 |
| Mitsubishi Power, Ltd. | 1809 |
66 |
| Ibiden Co., Ltd. | 1708 |
65 |
| Topsoe A/S | 959 |
60 |
| NGK Insulators, Ltd. | 5146 |
58 |
| Saudi Arabian Oil Company | 13686 |
51 |
| Haldor Topsøe A/S | 641 |
50 |
| BASF Mobile Emissions Catalysts LLC | 418 |
43 |
| Samsung Electronics Co., Ltd. | 149198 |
42 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
41 |
| BASF SE | 21098 |
33 |
| The Chugoku Electric Power Co., Inc. | 514 |
33 |
| Cataler Corporation | 577 |
31 |
| BASF Corporation | 1711 |
30 |
| Casale SA | 634 |
28 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
26 |
| Hitachi Zosen Corporation | 614 |
25 |
| Hamilton Sundstrand Corporation | 4956 |
23 |
| Other owners | 3284 |