- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 46/24 - Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
Patent holdings for IPC class B01D 46/24
Total number of patents in this class: 3163
10-year publication summary
|
282
|
283
|
274
|
299
|
306
|
247
|
226
|
197
|
171
|
87
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MANN+HUMMEL GmbH | 1808 |
335 |
| Donaldson Company, Inc. | 1600 |
285 |
| NGK Insulators, Ltd. | 5236 |
279 |
| Corning Incorporated | 10504 |
254 |
| LG Electronics Inc. | 75694 |
79 |
| Atmus Filtration IP Inc. | 273 |
46 |
| Cummins Filtration IP, Inc. | 590 |
44 |
| Caterpillar Inc. | 10267 |
43 |
| Pall Corporation | 340 |
35 |
| Ibiden Co., Ltd. | 1665 |
33 |
| MAHLE International GmbH | 2911 |
32 |
| K&N Engineering, Inc. | 461 |
29 |
| Johnson Matthey Public Limited Company | 1768 |
28 |
| Volvo Truck Corporation | 3911 |
28 |
| Denso Corporation | 25534 |
26 |
| Parker-Hannifin Corporation | 1035 |
25 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 495 |
24 |
| Hitachi Metals, Ltd. | 1898 |
23 |
| Ufi Filters S.p.A. | 193 |
22 |
| Umicore AG & Co. KG | 853 |
21 |
| Other owners | 1472 |