- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 19/22 - Changing the web roll in winding mechanisms or in connection with winding operations
Patent holdings for IPC class B65H 19/22
Total number of patents in this class: 412
10-year publication summary
|
33
|
29
|
28
|
30
|
19
|
8
|
38
|
21
|
23
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21856 |
31 |
| Futura S.p.A. | 141 |
28 |
| BW Converting, Inc. | 87 |
19 |
| G.D S.p.A. | 1192 |
16 |
| Valmet Tissue Converting S.p.A. | 91 |
15 |
| Colines S.p.A. | 86 |
14 |
| FABIO PERINI S.p.A. | 89 |
11 |
| GDM S.p.A. | 91 |
11 |
| Davis-Standard, LLC | 103 |
9 |
| Metso Paper, Inc. | 336 |
9 |
| Voith Patent GmbH | 2746 |
9 |
| Jennerjahn Machine, Inc. | 9 |
9 |
| Windmöller & Hölscher KG | 375 |
8 |
| No.el. S.r.l. | 16 |
6 |
| Seiko Epson Corporation | 20288 |
5 |
| GAMBINI S.p.A. | 26 |
5 |
| A. Celli Nonwovens S.p.A. | 23 |
4 |
| Manz Italy S.r.l. | 64 |
4 |
| MAXIMA srl | 27 |
4 |
| Paper Converting Machine Company | 29 |
4 |
| Other owners | 191 |