- All sections
- B - Performing operations; transporting
- 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: 390
10-year publication summary
32
|
33
|
29
|
28
|
30
|
19
|
8
|
34
|
16
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Procter & Gamble Company | 22148 |
35 |
Futura S.p.A. | 138 |
28 |
FABIO PERINI S.p.A. | 150 |
25 |
Colines S.p.A. | 77 |
14 |
BW Converting, Inc. | 54 |
13 |
Metso Paper, Inc. | 481 |
11 |
G.D S.p.A. | 993 |
9 |
Voith Patent GmbH | 2734 |
9 |
Jennerjahn Machine, Inc. | 9 |
9 |
Davis-Standard, LLC | 100 |
7 |
GDM S.p.A. | 68 |
7 |
Paper Converting Machine Company | 49 |
7 |
No.el. S.r.l. | 18 |
6 |
Windmöller & Hölscher KG | 390 |
6 |
Seiko Epson Corporation | 18966 |
5 |
A. Celli Nonwovens S.p.A. | 29 |
5 |
GAMBINI S.p.A. | 23 |
5 |
MAXIMA srl | 35 |
5 |
GPCP IP Holdings LLC | 1686 |
5 |
Manz Italy S.r.l. | 64 |
4 |
Other owners | 175 |