B21L 11/00
Making chains or chain links of special shape
B21L11/00 (Making chains or chain links of special shape) appears on 150 US grants and 75 published applications in this corpus.
Search patents in B21L- Granted patents
- 150
- Published applications
- 75
- Assignees
- 77
- Inventors
- 161
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 9 |
| 2003 | 9 | 10 |
| 2004 | 5 | 8 |
| 2005 | 7 | 3 |
| 2006 | 5 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 6 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 1 |
| 2016 | 3 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 4 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 4 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21L 11/005Making ornamental chains122
- B21L 11/14Making chain links with inserted or integrally-formed studs5
- B21L 11/02Each link being formed of a single member of which both ends4
- B21L 11/12Forming bead chains4
- B21L 11/10The chain links having opposed correspondingly shaped cylindrical and hook-like parts of3
Recent patents
- Method for manufacturing a magnet and systems and devices including a magnet16 Jun 2026US 12,653,989 B2Stereotaxis, Inc.
- Laser weldable sterling alloy17 Feb 2026US 12,551,942 B2James Avery Craftsman, Inc.
- Process for producing an ornamental chain10 Feb 2026US 12,543,827 B2Minervahub S.P.A.
- Jewelry link20 May 2025US 12,302,999 B2Cemayla, LLC
- Electrically assisted forming process and device for high-strength metal alloy thin-walled pipe6 May 2025US 12,290,851 B2Central Iron and Steel Research Institute
- Laser weldable sterling alloy1 Oct 2026US 2026/0295657 A1James Avery Craftsman, Inc.
- Laser weldable sterling alloy30 Jan 2025US 2025/0033110 A1James Avery Craftsman, Inc.
- Jewelry link3 Oct 2024US 2024/0324736 A1Cemayla, LLC
- Method for producing gourmette jewellery articles12 Sep 2024US 2024/0300006 A1Marco Bicego S.P.A.
- Manufacturing apparatus for accessory14 Mar 2024US 2024/0082905 A1Crossfor Co., Ltd.
Most cited
By later US patents
- Wrist watch band and manufacturing method therefor75US 4,266,400 AKabushiki Kaisha Bambi · 1981
- Linked ring structures49US 7,086,218 B1M & J - R & R Grosbard, Inc. · 2006
- Hollow diamond cut rope chain with multi-faceted surfaces45US 5,581,993 AOroAmerica, Inc. · 1996
- Hollow rope chain with simulated diamond cut38US 5,129,220 AA.K.S. Jewelry, Inc. · 1992
- Spiral diamond cut jewelry chain37US 5,285,625 AG.O.V. Jewelry, Inc. · 1994