- All sections
- B - Performing operations; transporting
- B07B - Separating solids from solids by sieving, screening, sifting or by using gas currents; separating by other dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
- B07B 1/22 - Revolving drums
Patent holdings for IPC class B07B 1/22
Total number of patents in this class: 175
10-year publication summary
|
25
|
26
|
22
|
14
|
18
|
12
|
18
|
11
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiki Co., Ltd. | 153 |
9 |
| Seiko Epson Corporation | 18966 |
7 |
| B & B Metals, Inc. | 52 |
5 |
| American Biocarbon, LLC | 8 |
4 |
| The Original Resinator, LLC | 14 |
4 |
| Savage Equipment, Inc. | 16 |
4 |
| Vermeer Manufacturing Company | 627 |
4 |
| Arrowcorp Inc. | 6 |
3 |
| Green Creative | 17 |
3 |
| Meccanica Breganzese S.p.A. in Breve MB S.p.A. | 35 |
3 |
| REC Silicon Inc | 76 |
3 |
| Wheelabrator Group, Inc. | 43 |
3 |
| Xi'an Jiaotong University | 620 |
3 |
| Andritz Oy | 277 |
2 |
| Carter Day International, Inc. | 17 |
2 |
| CP Manufacturing, Inc. | 30 |
2 |
| Finance Developpement Environnement Charreyre - Fidec | 10 |
2 |
| Kinetic Systems, Inc. | 13 |
2 |
| Kolon Glotech, Inc. | 53 |
2 |
| Kumera Oy | 5 |
2 |
| Other owners | 106 |