- 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 33/04 - Screw or rotary spiral conveyors for articles conveyed between a single screw and guiding means
Patent holdings for IPC class B65G 33/04
Total number of patents in this class: 82
10-year publication summary
|
5
|
11
|
4
|
10
|
7
|
3
|
4
|
2
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Weber-Stephen Products LLC, formerly known AS Wspc Acquisition Company, LLC | 588 |
6 |
| Daifuku Co., Ltd. | 998 |
4 |
| Morris & Associates, Inc. | 40 |
4 |
| Toshiba Corporation | 12472 |
2 |
| Toshiba TEC Corporation | 3810 |
2 |
| Konica Minolta Business Technologies, Inc. | 1403 |
2 |
| Fuji Electric Co., Ltd. | 5194 |
2 |
| NTN Corporation | 4970 |
2 |
| Altria Client Services LLC | 2216 |
2 |
| AOI Seiki Co., Ltd. | 40 |
2 |
| Aylward Enterprises, LLC | 11 |
2 |
| I.M.A. Industria Macchine Automatiche S.p.A. | 468 |
2 |
| KHS GmbH | 1426 |
2 |
| Krones AG | 2195 |
2 |
| Sandvik Mining and Construction Oy | 839 |
2 |
| Tokyo Seimitsu Hatsujo Co., Ltd. | 13 |
2 |
| Hektros S.r.l | 6 |
2 |
| Roche Diagnostics Operations, Inc. | 1498 |
1 |
| International Business Machines Corporation | 61433 |
1 |
| Canon Inc. | 40352 |
1 |
| Other owners | 37 |