- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 45/14 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
Patent holdings for IPC class B01D 45/14
Total number of patents in this class: 462
10-year publication summary
|
42
|
48
|
43
|
51
|
34
|
34
|
30
|
20
|
27
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1332 |
23 |
| Cummins Filtration IP, Inc. | 622 |
20 |
| Qwtip LLC | 68 |
20 |
| Dyson Technology Limited | 3931 |
15 |
| Tokyo ROKI Co., Ltd. | 69 |
14 |
| Grimaldi Development AB | 27 |
14 |
| Alfdex AB | 64 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 33690 |
11 |
| LG Electronics Inc. | 75160 |
10 |
| Donaldson Company, Inc. | 1592 |
9 |
| Atmus Filtration IP Inc. | 228 |
9 |
| Safran Helicopter Engines | 815 |
8 |
| Pratt & Whitney Canada Corp. | 5331 |
6 |
| 3nine AB | 21 |
6 |
| Edwards Limited | 781 |
6 |
| ElringKlinger AG | 572 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3440 |
5 |
| Innsep AS | 5 |
5 |
| Midea Group Co., Ltd. | 4864 |
5 |
| Omachron Intellectual Property Inc. | 955 |
5 |
| Other owners | 253 |