- 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 23/12 - Arrangements of co-operating drums or rollers to augment tractive effort applied to the belts
Patent holdings for IPC class B65G 23/12
Total number of patents in this class: 31
10-year publication summary
|
7
|
5
|
2
|
3
|
1
|
6
|
1
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Laitram, L.L.C. | 866 |
7 |
| Brandt Industries, Inc. | 16 |
6 |
| Otis Elevator Company | 2695 |
2 |
| AG Growth International Inc. | 167 |
1 |
| Albert Handtmann Maschinenfabrik GmbH & Co. KG | 103 |
1 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 194 |
1 |
| Dorner Mfg. Corp. | 40 |
1 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
1 |
| Igus GmbH | 294 |
1 |
| Intelligrated Headquarters, LLC | 457 |
1 |
| Jonge Poerink Conveyors B.V. | 7 |
1 |
| Sandvik Intellectual Property AB | 1388 |
1 |
| Sanki Engineering Co., Ltd. | 25 |
1 |
| Stadler Anlagenbau GmbH | 17 |
1 |
| TAKRAF GmbH | 71 |
1 |
| TGW Mechanics GmbH | 90 |
1 |
| Toshiba Elevator Kabushiki Kaisha | 19 |
1 |
| Guangdong Anda Automation Solutions Co., Ltd | 10 |
1 |
| Western Skies Innovation, LLC | 1 |
1 |
| Other owners | 0 |