- 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 88/26 - Hoppers, i.e. containers having funnel-shaped discharge sections
Patent holdings for IPC class B65D 88/26
Total number of patents in this class: 236
10-year publication summary
16
|
33
|
39
|
22
|
23
|
29
|
15
|
14
|
5
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
34 |
Sandbox Enterprises LLC | 133 |
28 |
Schlumberger Canada Limited | 6913 |
7 |
Quickthree Technology, LLC | 36 |
7 |
Schlumberger Technology Corporation | 9690 |
6 |
Ishida Co., Ltd. | 509 |
6 |
Schlumberger Technology B.v. | 4951 |
5 |
Dynamic Air, Inc. | 33 |
5 |
Services Petroliers Schlumberger | 5426 |
5 |
CNH Industrial Canada, Ltd. | 963 |
4 |
Schlumberger Holdings Limited | 2947 |
3 |
Ecolab USA Inc. | 5190 |
3 |
Prad Research and Development Limited | 2696 |
3 |
543077 Alberta Ltd. | 30 |
3 |
Komar Industries, Inc. | 28 |
2 |
LPW Technology Ltd. | 58 |
2 |
Moretto S.p.A. | 23 |
2 |
National Steel Car Limited | 150 |
2 |
Owens-Brockway Glass Container Inc. | 716 |
2 |
Yoshikawa Corporation | 40 |
2 |
Other owners | 105 |