- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 54/38 - Arrangements for preventing ribbon winding
Patent holdings for IPC class B65H 54/38
Total number of patents in this class: 34
10-year publication summary
|
1
|
4
|
2
|
0
|
2
|
3
|
1
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oerlikon Textile GmbH & Co. KG | 557 |
6 |
| Mitsubishi Chemical Corporation | 4612 |
3 |
| TMT Machinery, Inc. | 46 |
3 |
| DSM IP Assets B.V. | 5561 |
2 |
| SSM Schärer Schweiter Mettler AG | 57 |
2 |
| Siemens AG | 24333 |
1 |
| Toyota Motor Corporation | 33519 |
1 |
| Mitsubishi Rayon Co., Ltd. | 892 |
1 |
| China National Petroleum Corporation | 479 |
1 |
| China University of Mining and Technology | 1273 |
1 |
| Maschinenfabrik Rieter AG | 352 |
1 |
| Mizuno Technics Corporation | 14 |
1 |
| Owens Corning Intellectual Capital, LLC | 1626 |
1 |
| Ritm | 6 |
1 |
| Technicka Univerzita V Liberci | 67 |
1 |
| Ube Exsymo Co., Ltd. | 61 |
1 |
| Saurer Spinning Solutions GmbH & Co. KG | 158 |
1 |
| Anker Innovations Technology Co., Ltd | 357 |
1 |
| CNPC Engineering Technology R&D Company Limited | 100 |
1 |
| Jianghan Machinery Research Institute Limited Company of CNPC | 5 |
1 |
| Other owners | 3 |