- 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 33/20 - Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing the housing being rotatable relative to the screw
Patent holdings for IPC class B65G 33/20
Total number of patents in this class: 9
10-year publication summary
|
3
|
2
|
1
|
0
|
0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Olds Elevator, LLC | 3 |
3 |
| Maestranza Mining Parts Ltda. | 2 |
1 |
| Main Engineering Aktiebolag | 1 |
1 |
| The Young Industries, Inc. | 13 |
1 |
| National Technology & Engineering Solutions of Sandia, LLC | 1953 |
1 |
| wang meng, DBA wang meng | 29 |
1 |
| Scranton Manuactunng Company Inc. | 1 |
1 |
| Other owners | 0 |