- All sections
- B - Performing operationstransporting
- B43M - Bureau accessories not otherwise provided for
- B43M 5/04 - Devices for closing envelopes automatic
Patent holdings for IPC class B43M 5/04
Total number of patents in this class: 45
10-year publication summary
|
6
|
1
|
5
|
3
|
2
|
5
|
4
|
5
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DMT Solutions Global Corporation, DBA BlueCrest | 257 |
10 |
| Ricoh Company, Ltd. | 13230 |
9 |
| Riso Kagaku Corporation | 657 |
5 |
| Bell and Howell, LLC | 64 |
3 |
| Sealed Air Corporation (US) | 557 |
3 |
| Pitney Bowes Inc. | 335 |
2 |
| Amazon Technologies, Inc. | 25972 |
1 |
| CoLibri System S.p.A. | 22 |
1 |
| Duplo Seiko Corporation | 86 |
1 |
| Hallmark Cards, Incorporated | 343 |
1 |
| Kern Sistemi S.r.l. | 8 |
1 |
| Mail Systems Oy | 2 |
1 |
| Mueller Martini Holding AG | 92 |
1 |
| T.s.d. LLC | 3 |
1 |
| Winkler + Dunnebier GmbH | 30 |
1 |
| Buhrs-itm GmbH | 1 |
1 |
| Duplosystem Co., Ltd. | 1 |
1 |
| Inventnord ApS | 2 |
1 |
| FUJIFILM Business Innovation Corp. | 7437 |
1 |
| Other owners | 0 |