- 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 65/40 - Devices for emptying otherwise than from the top
Patent holdings for IPC class B65G 65/40
Total number of patents in this class: 278
10-year publication summary
|
30
|
33
|
22
|
17
|
17
|
21
|
17
|
7
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sandbox Enterprises LLC | 137 |
33 |
| Ishida Co., Ltd. | 535 |
12 |
| Owens-Brockway Glass Container Inc. | 767 |
10 |
| Halliburton Energy Services, Inc. | 20946 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8787 |
6 |
| Seiko Epson Corporation | 19556 |
5 |
| Diamond Engineering Co., Ltd. | 13 |
5 |
| Dynamic Air, Inc. | 31 |
5 |
| Sioux Steel Company | 91 |
5 |
| Quickthree Technology, LLC | 28 |
4 |
| Kao Corporation | 4982 |
3 |
| A. Raymond et Cie | 710 |
3 |
| Digi-star, LLC | 30 |
3 |
| Insstek, Inc. | 16 |
3 |
| Mitsubishi Materials Corporation | 2458 |
3 |
| National Oilwell Varco, L.P. | 1686 |
3 |
| Skandia Elevator AB | 17 |
3 |
| Solaris Oilfield Site Services Operating, LLC | 25 |
3 |
| Tsukasa Co., Ltd. | 25 |
3 |
| Yamato Scale Co., Ltd. | 149 |
3 |
| Other owners | 156 |