- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 45/04 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
Patent holdings for IPC class B01D 45/04
Total number of patents in this class: 231
10-year publication summary
|
23
|
22
|
28
|
22
|
12
|
16
|
15
|
14
|
12
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5523 |
6 |
| Nitta Corporation | 388 |
6 |
| General Electric Company | 13938 |
5 |
| Hamilton Sundstrand Corporation | 5013 |
5 |
| The General Hospital Corporation | 4879 |
5 |
| Nabtesco Automotive Corporation | 128 |
5 |
| Calandra Resources, Inc. | 7 |
5 |
| Honeywell International Inc. | 12770 |
4 |
| Omachron Intellectual Property Inc. | 970 |
4 |
| Atmus Filtration IP Inc. | 276 |
4 |
| Samsung Electronics Co., Ltd. | 158605 |
3 |
| MANN+HUMMEL GmbH | 1812 |
3 |
| Paragon Space Development Corporation | 50 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1131 |
3 |
| Segretech Inc. | 3 |
3 |
| KF E&E Co., Ltd. | 4 |
3 |
| The Regents of the University of California | 20842 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
2 |
| Ford Global Technologies, LLC | 21582 |
2 |
| Sumitomo Chemical Company, Limited | 8969 |
2 |
| Other owners | 156 |