- All sections
- B - Performing operationstransporting
- B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors
- B65G 33/22 - Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with means for retarding material flow at the delivery end of the housing
Patent holdings for IPC class B65G 33/22
Total number of patents in this class: 36
10-year publication summary
|
3
|
3
|
2
|
2
|
5
|
3
|
1
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komar Industries, Inc. | 28 |
6 |
| Valmet AB | 530 |
3 |
| Ericsson | 22076 |
2 |
| Pioneer Hi-Bred International, Inc. | 6838 |
2 |
| Kyocera Document Solutions Inc. | 5882 |
2 |
| AGCO Corporation | 1133 |
2 |
| The University Court of the University of Glasgow | 263 |
2 |
| Deere & Company | 7840 |
1 |
| Blue Leaf I.P., Inc. | 2780 |
1 |
| AGCO International GmbH | 639 |
1 |
| Corazza S.p.A. | 10 |
1 |
| Duperon Innovation, LLC | 18 |
1 |
| Hugo Vogelsang Maschinenbau GmbH | 61 |
1 |
| Mascoma Canada Inc. | 12 |
1 |
| Meridian Manufacturing, Inc. | 6 |
1 |
| Sweetwater Energy, Inc. | 19 |
1 |
| VEMAG Maschinenbau GmbH | 58 |
1 |
| Universidad de Deusto | 18 |
1 |
| BASF SE | 105 |
1 |
| Sother Oy | 1 |
1 |
| Other owners | 4 |