- All sections
- B - Performing operationstransporting
- B65D - Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containersaccessories, closures, or fittings thereforpackaging elementspackages
- B65D 88/26 - Hoppers, i.e. containers having funnel-shaped discharge sections
Patent holdings for IPC class B65D 88/26
Total number of patents in this class: 243
10-year publication summary
|
27
|
32
|
18
|
21
|
25
|
13
|
12
|
5
|
13
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
36 |
| Sandbox Enterprises LLC | 137 |
29 |
| Schlumberger Canada Limited | 7332 |
7 |
| Schlumberger Technology Corporation | 10780 |
6 |
| Ishida Co., Ltd. | 532 |
6 |
| Schlumberger Technology B.v. | 5176 |
5 |
| Services Petroliers Schlumberger | 5803 |
5 |
| Quickthree Technology, LLC | 28 |
5 |
| CNH Industrial Canada, Ltd. | 968 |
4 |
| Dynamic Air, Inc. | 31 |
4 |
| Schlumberger Holdings Limited | 2817 |
3 |
| Ecolab USA Inc. | 5496 |
3 |
| Prad Research and Development Limited | 2693 |
3 |
| 543077 Alberta Ltd. | 29 |
3 |
| Komar Industries, Inc. | 28 |
2 |
| Moretto S.p.A. | 22 |
2 |
| National Steel Car Limited | 151 |
2 |
| Owens-Brockway Glass Container Inc. | 764 |
2 |
| University of Cincinnati | 871 |
2 |
| Yoshikawa Corporation | 37 |
2 |
| Other owners | 112 |