- All sections
- B - Performing operations; transporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 26/04 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
Patent holdings for IPC class B65H 26/04
Total number of patents in this class: 31
10-year publication summary
|
2
|
3
|
2
|
3
|
1
|
4
|
4
|
2
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 27461 |
3 |
| Valmet Technologies Oy | 290 |
3 |
| Tosho Inc. | 116 |
2 |
| Siemens AG | 24565 |
1 |
| LG Chem, Ltd. | 17639 |
1 |
| Kimberly-clark Worldwide, Inc. | 5515 |
1 |
| FUJIFILM Corporation | 28805 |
1 |
| Mitsubishi Electric Corporation | 44851 |
1 |
| Konica Minolta Holdings, Inc. | 1010 |
1 |
| Oki Electric Industry Co., Ltd. | 1600 |
1 |
| Kaneka Corporation | 4498 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2556 |
1 |
| Lenzing Aktiengesellschaft | 523 |
1 |
| Omori Machinery Co., Ltd. | 25 |
1 |
| Otsuka Pharmaceutical Co., Ltd. | 1535 |
1 |
| Shandong New Beiyang Information Technology Co., Ltd. | 367 |
1 |
| Sumitomo Heavy Industries, Ltd. | 1815 |
1 |
| Texmag GmbH Vertriebsgesellschaft | 86 |
1 |
| Toyo Seikan Group Holdings, Ltd. | 806 |
1 |
| Web Industries, Inc. | 36 |
1 |
| Other owners | 6 |