- All sections
- B - Performing operations; transporting
- B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors
- B65G 47/44 - Arrangements or applications of hoppers or chutes
Patent holdings for IPC class B65G 47/44
Total number of patents in this class: 179
10-year publication summary
|
4
|
10
|
17
|
14
|
14
|
25
|
27
|
21
|
26
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Laitram, L.L.C. | 813 |
9 |
| Ferag AG | 211 |
6 |
| United States Postal Service | 1294 |
6 |
| Berkshire Grey Operating Company, Inc. | 386 |
6 |
| Amazon Technologies, Inc. | 24422 |
5 |
| Material Handling Systems, Inc. | 76 |
5 |
| Sandbox Enterprises LLC | 133 |
5 |
| Deutsche Post AG | 459 |
4 |
| Unitec S.p.A. | 100 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Caterpillar Paving Products Inc. | 628 |
3 |
| S-M Enterprises, Inc. | 7 |
3 |
| Philip Morris Products S.A. | 6751 |
2 |
| Solystic SAS | 71 |
2 |
| Benetech, Inc. | 34 |
2 |
| Corrosion Engineering, Inc. | 16 |
2 |
| Iowa State University Research Foundation, Inc. | 685 |
2 |
| JFE Steel Corporation | 6067 |
2 |
| Knapp AG | 122 |
2 |
| Midrex Technologies, Inc. | 103 |
2 |
| Other owners | 104 |