D01H 4/26
In friction spinning
Official title: in friction spinning
D01H4/26 (In friction spinning) appears on 11 US grants and 0 published applications in this corpus.
Search patents in D01H- Granted patents
- 11
- Published applications
- 0
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 8 Aug 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Friction spinning apparatus with slub clearing means8 Aug 1989US 4,854,117 AHollingsworth (U.K.) Limited
- Cleaning arrangement for open-end friction spinning machine24 May 1988US 4,745,738 A
- Device for removing residual fiber particles on the perforated friction surfaces of an oe-friction spinning machine17 May 1988US 4,744,209 AW. Schlafhorst AG & Co.
- Friction spinning apparatus8 Dec 1987US 4,711,083 AHollingsworth (U.K.) Limited
- Fiber feed channel arrangement for open end friction spinning machine27 Jan 1987US 4,638,626 A
No published applications in this class yet.
Most cited
By later US patents
- Friction spinning apparatus and method for cleaning28US 4,380,892 A1983
- Pneumatic cleaning apparatus for open end friction spinning machines10US 4,514,972 A1985
- Mobile cleaning device for open end friction spinning machines6US 4,514,973 A1985
- Air flow control arrangement for an open-end friction spinning machine5US 4,617,792 A1986
- Cleaning arrangement for open-end friction spinning machine4US 4,745,738 A1988