- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 45/00 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
Patent holdings for IPC class B01D 45/00
Total number of patents in this class: 449
10-year publication summary
|
34
|
27
|
30
|
27
|
34
|
13
|
17
|
7
|
3
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 934 |
17 |
| Cummins Filtration IP, Inc. | 805 |
13 |
| Uop LLC | 4259 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
6 |
| NGK Insulators, Ltd. | 5146 |
5 |
| LiftRock LLC | 9 |
5 |
| General Electric Company | 13830 |
4 |
| LG Electronics Inc. | 73825 |
4 |
| The Boeing Company | 20186 |
4 |
| Tokyo Electron Limited | 13155 |
4 |
| Hamilton Sundstrand Corporation | 4956 |
4 |
| Donaldson Company, Inc. | 1589 |
4 |
| Dyson Technology Limited | 3760 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1177 |
4 |
| Westerman, Inc. | 8 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
3 |
| Pratt & Whitney Canada Corp. | 4958 |
3 |
| Shell Oil Company | 2133 |
3 |
| Alfa Laval Corporate AB | 1327 |
3 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
3 |
| Other owners | 342 |