- All sections
- D - Textilespaper
- D01H - Spinning or twisting
- D01H 4/02 - Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from sliversPiecing arrangements thereforCovering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
Patent holdings for IPC class D01H 4/02
Total number of patents in this class: 61
10-year publication summary
|
3
|
6
|
2
|
5
|
8
|
1
|
5
|
5
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maschinenfabrik Rieter AG | 374 |
15 |
| Saurer Intelligent Technology AG | 59 |
10 |
| Saurer Spinning Solutions GmbH & Co. KG | 156 |
7 |
| Savio Macchine Tessili S.p.A. | 33 |
5 |
| Murata Machinery, Ltd. | 1458 |
3 |
| Oerlikon Textile GmbH & Co. KG | 622 |
3 |
| "d-a-dinko Bahov" et | 4 |
3 |
| Rieter Ingolstadt GmbH | 41 |
2 |
| Indo Count Industries Ltd. | 127 |
1 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 102 |
1 |
| Mannington Mills, Inc. | 273 |
1 |
| Murata Kikai Kabushiki Kaisha | 90 |
1 |
| Rieter CZ s.r.o. | 27 |
1 |
| The Ritsumeikan Trust | 144 |
1 |
| SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH | 38 |
1 |
| Sipra Patentwicklungs- und Beteiligungsgesellschaft mbH | 1 |
1 |
| Trident Limited | 44 |
1 |
| Wuhan Textile University | 20 |
1 |
| Wenxiang Ye | 1 |
1 |
| Trützschler Group SE | 146 |
1 |
| Other owners | 1 |