D01H 7/602
Rings
Official title: {Rings}
D01H7/602 (Rings) appears on 15 US grants and 4 published applications in this corpus.
Search patents in D01H- Granted patents
- 15
- Published applications
- 4
- Assignees
- 9
- Inventors
- 36
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 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 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spinning or twisting ring, and ring/traveler system13 Jan 2026US 12,522,954 B2Bracker AG
- Metallic sulfide coated travelers, methods of coating travelers, and systems for use of metallic sulfide coated travelers20 Aug 2019US 10,385,480 B2A. B. Carter, Inc.
- Spinning ring for a ring spinning machine and method of manufacturing thereof27 May 2003US 6,568,164 B2Kanai Juyo Kogyo Co., Ltd.
- Spinning ring having amorphous chromium bearing surface26 Mar 2002US 6,360,520 B1A. B. Carter, Inc.
- Ring for ring frames and ring twisters26 Mar 2002US 6,360,521 B1Bracker AG
- Spinning or twisting ring, and ring/traveler system31 Jul 2025US 2025/0243609 A1Bracker AG
- Metallic sulfide coated travelers, methods of coating travelers, and systems for use of metallic sulfide coated travelers14 Sep 2017US 2017/0260656 A1A. B. Carter, Inc.
- Spinning ring for a ring spinning machine and method of manufacturing thereof17 Apr 2003US 2003/0070412 A1Kanai Juyo Kogyo Co., Ltd.
- Spinning ring having amorphous chromium bearing surface6 Dec 2001US 2001/0047645 A1A.B. Carter, Inc.
Most cited
By later US patents
- Ring for spinning and twisting machines12US 4,698,958 AKanai Juyo Kogyo Co., Ltd. · 1987
- Ring for spinning machinery8US 4,885,905 AKanai Juyo Kogyo Co., Ltd. · 1989
- Production method of a spinning ring for a ring spinning machine8US 6,038,758 AKanai Juyo Kogyo Co., Ltd. · 2000
- Spinning ring made from steel for ring spinning and ring twisting machine4US 4,308,715 ARieter Machine Works, Ltd. · 1982
- Ring for spinning machinery4US 5,175,988 AKanai Juyo Kogyo Co., Ltd. · 1993