- 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 88/70 - Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
Patent holdings for IPC class B65D 88/70
Total number of patents in this class: 71
10-year publication summary
|
5
|
6
|
11
|
4
|
5
|
6
|
2
|
1
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dynamic Air, Inc. | 32 |
6 |
| Sandbox Enterprises LLC | 135 |
6 |
| Martin Engineering Company | 101 |
4 |
| Societe Financiere de Gestion | 8 |
3 |
| Schlumberger Canada Limited | 7167 |
2 |
| Allerion Oilfield Services Inc. | 22 |
2 |
| Control Concepts, Inc. | 15 |
2 |
| Kanto Denka Kogyo Co., Ltd. | 134 |
2 |
| OLI S.p.A. | 17 |
2 |
| Paul Wurth S.A. | 409 |
2 |
| Yoshikawa Corporation | 39 |
2 |
| The Young Industries, Inc. | 18 |
2 |
| Thejo Engineering Limited | 10 |
2 |
| NRS Corporation | 7 |
2 |
| Oitech S. de R.L. de C.V. | 2 |
2 |
| Schlumberger Technology B.v. | 5083 |
1 |
| Schlumberger Holdings Limited | 2866 |
1 |
| Hewlett-Packard Development Company, L.P. | 27448 |
1 |
| Akatake Engineering Company, Limited | 1 |
1 |
| Changexplorer Production | 3 |
1 |
| Other owners | 25 |