- 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 33/18 - Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with multiple screws in parallel arrangements
Patent holdings for IPC class B65G 33/18
Total number of patents in this class: 61
10-year publication summary
|
8
|
4
|
6
|
8
|
4
|
7
|
5
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sukup Manufacturing Company | 138 |
4 |
| Superior Industries, Inc. | 218 |
4 |
| Brandt Agricultural Products Ltd. | 12 |
3 |
| Kenki Co., Ltd. | 4 |
3 |
| Trifilon AB | 21 |
3 |
| Philip Morris Products S.A. | 8199 |
2 |
| GEA Process Engineering NV | 46 |
2 |
| Mascoma Canada Inc. | 12 |
2 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 126 |
2 |
| Sweetwater Energy, Inc. | 19 |
2 |
| VEMAG Maschinenbau GmbH | 62 |
2 |
| Apalta Patents OU | 5 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
1 |
| Kawasaki Heavy Industries, Limited | 1674 |
1 |
| Altria Client Services LLC | 2436 |
1 |
| Astec Industries, Inc. | 94 |
1 |
| Brabender Technologie GmbH & Co. KG | 4 |
1 |
| Danmarks Tekniske Universitet | 1029 |
1 |
| The GSI Group, LLC | 122 |
1 |
| Harper Industries, Inc. | 18 |
1 |
| Other owners | 22 |