- 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: 230
10-year publication summary
|
21
|
20
|
26
|
18
|
10
|
14
|
13
|
13
|
9
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 649 |
7 |
| Pratt & Whitney Canada Corp. | 5223 |
6 |
| Nitta Corporation | 379 |
6 |
| General Electric Company | 13831 |
5 |
| Hamilton Sundstrand Corporation | 5017 |
5 |
| The General Hospital Corporation | 4809 |
5 |
| Nabtesco Automotive Corporation | 128 |
5 |
| Calandra Resources, Inc. | 7 |
5 |
| Honeywell International Inc. | 12786 |
4 |
| Omachron Intellectual Property Inc. | 953 |
4 |
| Samsung Electronics Co., Ltd. | 153845 |
3 |
| MANN+HUMMEL GmbH | 1798 |
3 |
| Paragon Space Development Corporation | 51 |
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 | 20534 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9020 |
2 |
| Ford Global Technologies, LLC | 21274 |
2 |
| Sumitomo Chemical Company, Limited | 9045 |
2 |
| Other owners | 152 |