B21L 19/00
Appurtenances for chain-making not restricted to any particular process
B21L19/00 (Appurtenances for chain-making not restricted to any particular process) appears on 15 US grants and 8 published applications in this corpus.
Search patents in B21L- Granted patents
- 15
- Published applications
- 8
- Assignees
- 15
- Inventors
- 30
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Chain replacement apparatus12 Apr 2022US 11,298,741 B2Poul Chang Metal Industry Co., Ltd.
- Automatic counting chain-cutting machine for round link chains13 Feb 2018US 9,889,482 B2Zhejiang Shuangniao Machinery Co., Ltd.
- Assembly jig for pins for power transmission chain1 Dec 2015US 9,199,302 B2Jtekt Corporation
- Apparatus for vertically linking two sections of chain27 Aug 2013US 8,516,784 B2Vicinay Cadenas, S.A.
- Missing link/part detector employing scanning engine26 Apr 2005US 6,883,711 B2BorgWarner Inc.
- Chain replacement apparatus3 Jun 2021US 2021/0162488 A1Poul Chang Metal Industry Co., Ltd.
- Mandrel tool1 Aug 2019US 2019/0231038 A1M&Y Trading Corp.
- Automatic counting chain-cutting machine for round link chains21 Jul 2016US 2016/0207096 A1Zhejiang Shuangniao Machinery Co., Ltd.
- Apparatus for vertically linking two sections of chain18 Apr 2013US 2013/0091823 A1Vicinay Cadenas, S.A.
- Assembly jig for pins for power transmission chain14 Jun 2012US 2012/0146278 A1Jtekt Corporation
Most cited
By later US patents
- Missing link/part detector employing scanning engine8US 6,883,711 B2BorgWarner Inc. · 2005
- Chain forming method and apparatus7US 4,682,467 ACooper Industries, Inc. · 1987
- Method and apparatus for the resistance heating of wire pins6US 4,063,065 AMeyer, Roth & Pastor Maschinenfabrik GmbH · 1977
- Chain making apparatus5US 3,945,198 AElektriska Svetsningsaktiebolaget · 1976
- Traversing device in a chain manufacturing plant3US 4,141,211 ABulten-Kanthal AB · 1979