- 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 23/44 - Belt- or chain-tensioning arrangements
Patent holdings for IPC class B65G 23/44
Total number of patents in this class: 467
10-year publication summary
|
45
|
55
|
39
|
45
|
40
|
32
|
29
|
29
|
32
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Laitram, L.L.C. | 868 |
23 |
| Joy Global Underground Mining LLC | 343 |
21 |
| Deere & Company | 8267 |
12 |
| Dematic Corp. | 320 |
10 |
| Continental Global Material Handling Inc. | 23 |
10 |
| Continental Global Material Handling LLC | 25 |
10 |
| China University of Mining and Technology | 1322 |
8 |
| Blue Leaf I.P., Inc. | 2925 |
7 |
| Dorner Mfg. Corp. | 40 |
7 |
| Intelligrated Headquarters, LLC | 458 |
6 |
| Bobst Mex SA | 613 |
5 |
| Caterpillar Global Mining Europe GmbH | 85 |
4 |
| Herzog Railroad Services, Inc. | 72 |
4 |
| Interroll Holding AG | 298 |
4 |
| Rexnord FlatTop Europe B.V. | 77 |
4 |
| Tecno Poultry Equipment S.p.A. | 8 |
4 |
| FLSmidth A/S | 783 |
4 |
| Illinois Tool Works Inc. | 11930 |
3 |
| Canon Inc. | 44776 |
3 |
| Caterpillar Inc. | 10391 |
3 |
| Other owners | 315 |