D01H
Spinning or twisting
Official title: SPINNING OR TWISTING (twisting oakum D01G35/00; crimping or curling of fibres, filaments, or yarns D02G1/00)
D01H (Spinning or twisting) appears on 3,958 US grants and 1,004 published applications in this corpus.
Search patents in D01H- Granted patents
- 3,958
- Published applications
- 1,004
- Assignees
- 824
- Inventors
- 3,611
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 149 | 0 |
| 1977 | 125 | 0 |
| 1978 | 137 | 0 |
| 1979 | 95 | 0 |
| 1980 | 73 | 0 |
| 1981 | 105 | 0 |
| 1982 | 104 | 0 |
| 1983 | 92 | 0 |
| 1984 | 109 | 0 |
| 1985 | 133 | 0 |
| 1986 | 123 | 0 |
| 1987 | 174 | 0 |
| 1988 | 128 | 0 |
| 1989 | 153 | 0 |
| 1990 | 179 | 0 |
| 1991 | 114 | 0 |
| 1992 | 139 | 0 |
| 1993 | 119 | 0 |
| 1994 | 142 | 0 |
| 1995 | 122 | 0 |
| 1996 | 112 | 0 |
| 1997 | 103 | 0 |
| 1998 | 128 | 0 |
| 1999 | 109 | 0 |
| 2000 | 100 | 0 |
| 2001 | 108 | 30 |
| 2002 | 69 | 77 |
| 2003 | 42 | 53 |
| 2004 | 40 | 39 |
| 2005 | 33 | 37 |
| 2006 | 32 | 40 |
| 2007 | 21 | 42 |
| 2008 | 26 | 32 |
| 2009 | 16 | 28 |
| 2010 | 30 | 18 |
| 2011 | 18 | 9 |
| 2012 | 12 | 17 |
| 2013 | 12 | 27 |
| 2014 | 15 | 33 |
| 2015 | 11 | 43 |
| 2016 | 28 | 45 |
| 2017 | 35 | 66 |
| 2018 | 33 | 44 |
| 2019 | 58 | 57 |
| 2020 | 51 | 78 |
| 2021 | 43 | 34 |
| 2022 | 39 | 42 |
| 2023 | 28 | 37 |
| 2024 | 45 | 48 |
| 2025 | 31 | 19 |
| 2026 | 15 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- D01H 4/00Open-end spinning machines or arrangements for imparting twist to independently moving fibres1,295
- D01H 1/00Spinning or twisting machines in which the product is wound-up continuously842
- D01H 13/00Spinning or twisting: other common constructional features, details or accessories746
- D01H 5/00Drafting machines or arrangements620
- D01H 9/00Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at503
- D01H 7/00Spinning or twisting arrangements464
- D01H 15/00Piecing arrangements214
- D01H 11/00Arrangements for confining or removing dust, fly or the like159
Recent patents
- Pile yarn, preparation method and application thereof29 Sep 2026US 12,747,520 B2Jiangsu Hengli Chemical Fibre Co., Ltd.
- Automated yarn package handling system and method22 Sep 2026US 12,742,264 B2Belmont Textile Machinery Co., Inc.
- Method for providing component information at a textile machine component, and textile machine component1 Sep 2026US 12,722,933 B2Saurer Spinning Solutions GmbH & Co. KG
- Composite yarns4 Aug 2026US 12,698,576 B2Select (Nantong) Safety Products Co., Ltd.
- Operating device for operating textile machines and method for operating textile machines21 Jul 2026US 12,688,266 B2Maschinenfabrik Rieter AG
- Tracing Back Quality Parameters of Textile Formations20 Aug 2026US 2026/0244196 A1Uster Technologies AG
- Device for twisting roving threads intended for the periodic profile of frp composite reinforcement23 Jul 2026US 2026/0210002 A1Limited Liability Company Composite Group Chelyabinsk
- Manipulator robot for the movement of yarn bobbins for texturing machines16 Jul 2026US 2026/0200694 A1Irico Gualchierani Handling S.R.L.
- Self-driving vehicle for transporting a receiving container for a sliver, and can device comprising a receiving container2 Jul 2026US 2026/0186491 A1TrüTzschler Group SE
- Method for controlling automatic station-passing of yarn spindle, electronic device and storage medium2 Apr 2026US 2026/0093226 A1Zhejiang Hengyi Petrochemical Co., Ltd.
Most cited
By later US patents
- Fibrous structures containing nanofibrils and other textile fibers185US 6,106,913 AThe Quantum Group, Inc. · 2000
- Self-propelled cleaning truck158US 4,756,049 AMurata Kaiki Kabushiki Kaisha · 1988
- Automated rule based process control method with feedback and apparatus therefor138US 4,754,410 AWestinghouse Electric Corp. · 1988
- Fan brake for textile cleaning machine126US 5,345,649 A1994
- Wet wiper natural acid and salt preservative composition88US 5,049,440 AJames River Corporation · 1991