- All sections
- B - Performing operations; transporting
- B65D - Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; accessories, closures, or fittings therefor; packaging elements; packages
- B65D 88/28 - Construction or shape of discharge section
Patent holdings for IPC class B65D 88/28
Total number of patents in this class: 160
10-year publication summary
19
|
24
|
17
|
17
|
15
|
18
|
13
|
10
|
7
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sandbox Enterprises LLC | 133 |
18 |
LPW Technology Ltd. | 58 |
8 |
Quickthree Technology, LLC | 36 |
7 |
Valmet AB | 463 |
6 |
National Steel Car Limited | 150 |
5 |
Halliburton Energy Services, Inc. | 20165 |
4 |
Ishida Co., Ltd. | 509 |
4 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
3 |
HYL Technologies, S.A. de C.V. | 41 |
3 |
Oren Technologies, LLC | 32 |
3 |
SCE | 3 |
3 |
Bulk Tank, Inc. | 46 |
2 |
Dryair Manufacturing Corp. | 16 |
2 |
Enviro Production Systems Inc. | 4 |
2 |
RDP Technologies, Inc. | 34 |
2 |
ThyssenKrupp Uhde GmbH | 211 |
2 |
TMSA - Tecnologia EM Movimentacao S.A. | 14 |
2 |
Uhde GmbH | 172 |
2 |
Foremost Universal LP by its General Partner, Universal Industries (foremost) Corp | 7 |
2 |
Mitsubishi Power, Ltd. | 1680 |
2 |
Other owners | 78 |