B21L 13/00
Making terminal or intermediate chain links of special shape
Official title: Making terminal or intermediate chain links of special shape; Making couplings for chains, e.g. swivels, shackles
B21L13/00 (Making terminal or intermediate chain links of special shape) appears on 15 US grants and 3 published applications in this corpus.
Search patents in B21L- Granted patents
- 15
- Published applications
- 3
- Assignees
- 9
- Inventors
- 22
- Latest grant
- 5 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Jewelry link assembly and a method of assembling jewelry chain links5 Jan 2021US 10,881,172 B1
- Drive chain and tool device for assembling or disassembling the same21 Sep 2010US 7,797,920 B2AMC Chain Industrial Co., Ltd.
- Pin assembly for conveyor chain13 Oct 2009US 7,600,633 B2Frost Links, Inc.
- Jewelry chain link with faceted sides24 Aug 2004US 6,779,331 B1
- Plate link for attaching a clasp link to an ornamental chain and a method of attaching the end of a chain to a clasp link15 May 2001US 6,230,961 B1
- Jewelry link assembly and a method of assembling jewelry chain links11 Nov 2021US 2021/0345736 A1
- Drive chain and tool device for assembling or disassembling the same12 Mar 2009US 2009/0069136 A1AMC Chain Industrial Co., Ltd.
- Pin assembly for conveyor chain9 Aug 2007US 2007/0184698 A1Frost Links, Inc.
Most cited
By later US patents
- Heavy duty shackle23US 4,079,584 AAmerican Hoist & Derrick Company · 1978
- Jewelry wire bender19US 5,632,086 A1997
- Rope chain component14US 5,301,498 A1994
- Method of making a rope chain with a jewelry component13US 5,542,244 A1996
- Swivel for cargo binders and the like8US 4,080,782 ALake City Manufacturing Co. · 1978