D01H 7/56
With freely-rotatable rings
Official title: with freely-rotatable rings; with braked or dragged rings {; Lubricating arrangements therefor}
D01H7/56 (With freely-rotatable rings) appears on 33 US grants and 3 published applications in this corpus.
Search patents in D01H- Granted patents
- 33
- Published applications
- 3
- Assignees
- 25
- Inventors
- 37
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device and method for winding and twisting fiber material in ring spinning or ring twisting frames24 Oct 2023US 11,795,585 B2Sanko Tekstil Isletmeleri San. Tic. A.S.
- Spinning device having a floating spinning ring and balloon limiter tube12 Sep 2023US 11,753,749 B2Saurer Spinning Solutions GmbH & Co. KG
- Ring-spinning system for making yarn having a magnetically-elevated ring17 Apr 2007US 7,205,692 B2Auburn University
- Spinning ring11 Apr 2000US 6,047,533 ANippon Corporation
- Rotary spinning ring structure26 Oct 1999US 5,970,698 AHowa Machinery, Ltd.
- Device and method for winding and twisting fibre material in ring spinning or ring twisting frames17 Nov 2022US 2022/0364276 A1Sanko Tekstil Isletmeleri San. Tic. A.S.
- Spinning device having a floating spinning ring and balloon limiter tube28 Jul 2022US 2022/0235494 A1Saurer Spinning Solutions GmbH & Co. KG
- Ring-spinning system for making yarn having a magnetically-elevated ring2 Feb 2006US 2006/0022538 A1Auburn University
Most cited
By later US patents
- Rotary ring winding device10US 5,010,722 A1991
- Isostatic device to provide rolling and support with revolvable bodies, such as a rotatable ring9US 4,548,518 AFag Italiana SpA · 1985
- Gas bearing8US 4,260,205 ADr. Johannes Heidenhain GmbH · 1981
- Magnetic ring for the spinning of textile yarn and method7US 5,109,659 ATNS Mills, Inc. · 1992
- Airborne spinning or twisting ring6US 4,596,114 ARingtex Industries, Inc. · 1986