B21L 5/00
Making chains or chain links by working the starting material in such
Official title: Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chains links are formed
B21L5/00 (Making chains or chain links by working the starting material in such) appears on 8 US grants and 4 published applications in this corpus.
Search patents in B21L- Granted patents
- 8
- Published applications
- 4
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 10 Jul 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 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 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Methods and apparatus for adaptable transformation of chains10 Jul 2018US 10,016,031 B2Gubalink LLC
- Hollow ornaments and process for producing them12 May 2015US 9,027,320 B2
- Master coupling link and assembly14 Apr 2015US 9,004,556 B2The Ulven Companies
- Cross-sectional shapes for hollow link chain11 Nov 2003US 6,644,008 B2
- Cross-sectional shapes for hollow link chain8 Oct 2002US 6,460,323 B1
- Methods and apparatus for adaptable transformation of chains27 Jul 2017US 2017/0208908 A1Gubalink LLC
- Hollow ornaments & process for producing them16 Oct 2014US 2014/0305093 A1M/s Sunjewels International Pvt. Ltd.
- Master coupling link and assembly30 May 2013US 2013/0134725 A1The Ulven Companies
- Cross-sectional shapes for hollow link chain13 Feb 2003US 2003/0029156 A1
Most cited
By later US patents