- All sections
- B - Performing operationstransporting
- B43M - Bureau accessories not otherwise provided for
- B43M 7/00 - Devices for opening envelopes
Patent holdings for IPC class B43M 7/00
Total number of patents in this class: 10
10-year publication summary
|
5
|
1
|
1
|
0
|
2
|
1
|
0
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OPEX Corporation | 192 |
5 |
| Ricoh Company, Ltd. | 13384 |
1 |
| Amazon Technologies, Inc. | 27025 |
1 |
| Boewe Systec GmbH | 25 |
1 |
| Max Co., Ltd. | 859 |
1 |
| DMT Solutions Global Corporation, DBA BlueCrest | 251 |
1 |
| Other owners | 0 |