- 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: 221
10-year publication summary
16
|
23
|
22
|
28
|
22
|
11
|
16
|
14
|
14
|
6
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Cummins Filtration IP, Inc. | 808 |
9 |
Nitta Corporation | 366 |
6 |
General Electric Company | 13829 |
5 |
Pratt & Whitney Canada Corp. | 4602 |
5 |
Hamilton Sundstrand Corporation | 4832 |
5 |
The General Hospital Corporation | 4704 |
5 |
Nabtesco Automotive Corporation | 128 |
5 |
Calandra Resources, Inc. | 7 |
5 |
Honeywell International Inc. | 13564 |
4 |
Samsung Electronics Co., Ltd. | 144143 |
3 |
Haven Technology Solutions LLC | 21 |
3 |
MANN+HUMMEL GmbH | 1751 |
3 |
Omachron Intellectual Property Inc. | 897 |
3 |
Paragon Space Development Corporation | 46 |
3 |
Rolls-Royce North American Technologies, Inc. | 1160 |
3 |
Segretech Inc. | 3 |
3 |
KF E&E Co., Ltd. | 4 |
3 |
The Regents of the University of California | 19812 |
2 |
Mitsubishi Heavy Industries, Ltd. | 8647 |
2 |
Ford Global Technologies, LLC | 20465 |
2 |
Other owners | 142 |