D01H 1/02
Ring type
Official title: ring type {(arrangements with two or more spinning or twisting devices in combination D01H7/90)}
D01H1/02 (Ring type) appears on 63 US grants and 57 published applications in this corpus.
Search patents in D01H- Granted patents
- 63
- Published applications
- 57
- Assignees
- 54
- Inventors
- 144
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 3 | 9 |
| 2019 | 2 | 3 |
| 2020 | 2 | 5 |
| 2021 | 3 | 5 |
| 2022 | 4 | 6 |
| 2023 | 2 | 0 |
| 2024 | 3 | 7 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Core spun yarn comprising short cellulosic staple fibers and process for its production7 Apr 2026US 12,595,596 B2Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Yarn spinning and/or twisting machine16 Sep 2025US 12,416,107 B2Casumconi, S.L.
- Ring for a ring-spinning or ring-twisting machine27 May 2025US 12,312,713 B2Bracker AG
- Textile materials containing dyed polyphenylene sulfide fibers and methods for producing the same21 May 2024US 11,987,929 B2Milliken & Company
- Nanofiber yarn spinning system27 Feb 2024US 11,913,142 B2Lintec of America, Inc.
- Apparatus and method for improving yarn strength and hairiness in singles ring yarns19 Feb 2026US 2026/0049419 A1North Carolina State University
- Core spun yarn comprising short cellulosic staple fibers and process for its production24 Oct 2024US 2024/0352628 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Core spun yarn comprising short cellulosic staple fibers and process for its production24 Oct 2024US 2024/0352629 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Method and apparatus for producing a yarn18 Jul 2024US 2024/0240367 A1SüDwolle GmbH & Co. KG
- Spool, yarn twisting process and yarn twisting machine23 May 2024US 2024/0167198 A1Casumconi, S.L.
Most cited
By later US patents
- Apparatus for making a yarn29US 4,953,349 A1990
- Double-belt draw frame29US 5,600,872 A1997
- System for producing staple-wrapped core yarn28US 4,961,306 AThe United States of America as represented by the Secretary of Agriculture · 1990
- Core-spun elastic composite yarns having a filamentary core and ring-spun staple fiber sheath, and denim fabrics which include the same17US 8,093,160 B2Cone Denim LLC · 2012
- Method and spinning machine for the production of core yarn16US 6,318,060 B1Zinser Textilmaschinen GmbH · 2001