- 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 69/28 - Loading rampsLoading docks
Patent holdings for IPC class B65G 69/28
Total number of patents in this class: 355
10-year publication summary
|
23
|
32
|
35
|
33
|
38
|
31
|
31
|
25
|
49
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rite-Hite Holding Corporation | 641 |
87 |
| Assa Abloy Entrance Systems AB | 519 |
27 |
| Leum Engineering, Inc. | 58 |
20 |
| Overhead Door Corporation | 307 |
20 |
| Niagara Bottling, LLC | 283 |
11 |
| The Chamberlain Group, LLC | 367 |
10 |
| Blue Giant Equipment Corporation | 43 |
8 |
| Nordock, Inc. | 24 |
6 |
| Lift-U, Division of Hogan Mfg., Inc. | 67 |
5 |
| 4Front Engineered Solutions, Inc. | 61 |
4 |
| Lantech.com, LLC | 215 |
4 |
| Rentokil Initial 1927 plc | 186 |
4 |
| Amiserru, S.L. | 49 |
3 |
| Caliber, Inc. | 22 |
3 |
| SafeRack, LLC | 31 |
3 |
| Winston Products LLC | 156 |
3 |
| Horizon Global Americas Inc. | 443 |
3 |
| Hörmann Alkmaar BV | 5 |
3 |
| The Braun Corporation | 206 |
2 |
| DL Manufacturing | 15 |
2 |
| Other owners | 127 |