B21L 1/02
Making chains or chain links by bending workpieces of rod, wire, or
Official title: by bending the ends of the workpieces to abut
B21L1/02 (Making chains or chain links by bending workpieces of rod, wire, or) appears on 13 US grants and 9 published applications in this corpus.
Search patents in B21L- Granted patents
- 13
- Published applications
- 9
- Assignees
- 9
- Inventors
- 16
- Latest grant
- 26 Sep 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 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 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of forming jewelry articles26 Sep 2006US 7,111,447 B2
- Lightweight OMEGA chain and improved method of manufacture29 Nov 2005US 6,968,671 B2Aurafin Corporation
- Lightweight omega chain and improved method of manufacture24 May 2005US 6,895,737 B2Aurafin Corporation
- Lightweight omega chain and improved method of manufacture1 Mar 2005US 6,860,097 B2
- Lightweight omega chain and improved method of manufacture8 Jun 2004US 6,745,554 B2Aurafin-Oro America, LLC
- Chain link and method for producing a chain link1 Jan 2026US 2026/0002578 A1Thiele GmbH & Co.KG
- Method of forming a jewelry chain and chain formed therefrom1 Oct 2009US 2009/0241341 A1Arin S.A.
- Method of forming hollow and solid jewelry chains and chains formed therefrom1 Oct 2009US 2009/0241598 A1Arin S.A.
- Lightweight OMEGA chain and improved method of manufacture28 Apr 2005US 2005/0086925 A1Aurafin Corporation
- Lightweight omega chain and improved method of manufacture16 Dec 2004US 2004/0250527 A1
Most cited
By later US patents
- Lightweight omega chain and improved method of manufacture25US 6,860,097 B22005
- Method for bending chain links and chain link bending machine11US 4,123,899 AMeyer, Roth & Pastor Maschinenfabrik GmbH · 1978
- Machine for the formation of chains with links of two types6US 4,311,003 AEmmegizeta Metalmeccanica Gori & Zucchi M.G.Z. S.p.A. · 1982
- Lightweight omega chain and improved method of manufacture4US 6,895,737 B2Aurafin Corporation · 2005
- Method of forming jewelry articles4US 7,111,447 B22006