- 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 19/22 - Impellers, e.g. push-plates, scrapersGuiding means therefor
Patent holdings for IPC class B65G 19/22
Total number of patents in this class: 97
10-year publication summary
|
9
|
21
|
7
|
12
|
8
|
4
|
6
|
3
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Joy Global Underground Mining LLC | 344 |
13 |
| China University of Mining and Technology | 1308 |
5 |
| Builders FirstSource, Inc. | 44 |
3 |
| Shandong Lingxiyuan Sci-Tech Development Corporation | 4 |
3 |
| Blue Leaf I.P., Inc. | 2932 |
2 |
| Anhui University of Science and Technology | 197 |
2 |
| Buehler GmbH | 4 |
2 |
| Buhler GmbH | 51 |
2 |
| The Cincinnati Mine Machinery Company | 19 |
2 |
| Daifuku Co., Ltd. | 1081 |
2 |
| Duane Cyril Chaon | 3 |
2 |
| I.M.A. Industria Macchine Automatiche S.p.A. | 525 |
2 |
| Sea-train Express - LLC | 3 |
2 |
| Sukup Manufacturing Company | 138 |
2 |
| Sumitomo Seika Chemicals Co., Ltd. | 1043 |
2 |
| Thiele GmbH & Co. KG | 84 |
2 |
| Sonny's Enterprises, LLC | 96 |
2 |
| Intraco, Inc. | 22 |
2 |
| BW Converting, Inc. | 86 |
2 |
| Deere & Company | 8097 |
1 |
| Other owners | 42 |