B21L 9/04
Punching or bending the different parts of the chain links
B21L9/04 (Punching or bending the different parts of the chain links) appears on 21 US grants and 22 published applications in this corpus.
Search patents in B21L- Granted patents
- 21
- Published applications
- 22
- Assignees
- 16
- Inventors
- 51
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing gourmette jewellery articles24 Dec 2024US 12,172,205 B2Marco Bicego S.P.A.
- Chain tool for different speed chains13 Aug 2024US 12,059,723 B2
- Chain link and conveyor chain comprising chain links, blank for a chain link and method of manufacturing a blank for a chain link18 Apr 2023US 11,629,011 B2Rexnord Flattop Europe B.V.
- Chain tool4 Oct 2022US 11,458,529 B2
- Roller chain outer plate links: arrangements, systems of use, and methods6 Jul 2021US 11,054,004 B2FMH Conveyors LLC
- Method for producing gourmette jewellery articles12 Sep 2024US 2024/0300006 A1Marco Bicego S.P.A.
- Chain and method for manufacturing a chain12 Oct 2023US 2023/0321716 A1Kaga Industries Co., Ltd.
- Chain tool for different speed chains19 May 2022US 2022/0152691 A1
- Chain link and conveyor chain comprising chain liniks, blank for a chain link and method of manufacturing a blank for a chain link12 May 2022US 2022/0144552 A1Rexnord Flattop Europe B.V.
- Chain tool29 Oct 2020US 2020/0338628 A1
Most cited
By later US patents
- Silent chain30US 6,068,568 ATsubakimoto Chain Co. · 2000
- Method of making a bushing link chain9US 3,931,706 AFMC Corporation · 1976
- Rolled product for chain and method for producing same8US 6,393,818 B1Tsubakimoto Chain Co. · 2002
- Chain punch5US 4,635,437 A1987
- Roller chain outer plate links: arrangements, systems of use, and methods4US 10,533,646 B2FMH Conveyors LLC · 2020