- All sections
- B - Performing operationstransporting
- B41K - Stampsstamping or numbering apparatus or devices
- B41K 1/52 - Ink reservoirs, e.g. integral with stamp handles
Patent holdings for IPC class B41K 1/52
Total number of patents in this class: 24
10-year publication summary
|
2
|
2
|
1
|
0
|
0
|
1
|
0
|
0
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Colop Stempelerzeugung Skopek Gesellschaft m.b.H. & Co. KG | 84 |
9 |
| Trodat GmbH | 156 |
4 |
| Shachihata Inc. | 84 |
3 |
| Kabushiki Kaisha Pilot Corporation | 325 |
2 |
| The Pilot Ink Co., Ltd. | 91 |
2 |
| Fiskars Brands, Inc. | 301 |
1 |
| Nuovo AG | 2 |
1 |
| Sun Same Enterprises Co., Ltd. | 35 |
1 |
| Petit les Mains Co., Ltd | 2 |
1 |
| Other owners | 0 |