- 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 33/14 - Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
Patent holdings for IPC class B65G 33/14
Total number of patents in this class: 246
10-year publication summary
|
12
|
40
|
22
|
15
|
28
|
24
|
21
|
19
|
24
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet AB | 516 |
14 |
| Unverferth Manufacturing Company, Inc. | 192 |
8 |
| Blue Leaf I.P., Inc. | 2793 |
5 |
| Tetra Laval Holdings & Finance S.A. | 2178 |
5 |
| Deere & Company | 7675 |
4 |
| Brandt Agricultural Products Ltd. | 12 |
4 |
| The Charles Machine Works, Inc. | 407 |
4 |
| CTB, Inc. | 339 |
4 |
| Komar Industries, Inc. | 28 |
4 |
| Schlumberger Technology Corporation | 10914 |
3 |
| AG Growth International Inc. | 157 |
3 |
| K-Tron Technologies, Inc. | 29 |
3 |
| Meridian Manufacturing Inc. | 49 |
3 |
| Metso Paper, Inc. | 417 |
3 |
| M.S.T. Corporation | 6 |
3 |
| Olds Elevator, LLC | 3 |
3 |
| Wamgroup S.p.A. | 96 |
3 |
| Metso Metals Oy | 208 |
3 |
| FUJIFILM Corporation | 29702 |
2 |
| China Tobacco Hunan Industrial Co., Ltd. | 255 |
2 |
| Other owners | 163 |