B21L 15/005
Pre-stretching chains
Official title: {Pre-stretching chains}
B21L15/005 (Pre-stretching chains) appears on 25 US grants and 24 published applications in this corpus.
Search patents in B21L- Granted patents
- 25
- Published applications
- 24
- Assignees
- 14
- Inventors
- 59
- Latest grant
- 3 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2003 | 3 | 4 |
| 2004 | 3 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 5 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 4 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 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
- Chain intelligent pre-tensioning and chain length detection method and device thereof3 Aug 2021US 11,079,216 B2Hangzhou Donghua Chain Group Co.,Ltd.
- Method for producing a link-plate chain26 Jul 2016US 9,400,033 B2Schaeffler Technologies AG & Co. KG
- Winding member manufacturing method, winding member manufacturing apparatus, winding member peripheral length measuring apparatus and pre-tension applying apparatus21 Oct 2014US 8,863,368 B2Jtekt Corporation
- Pretension loading method for power transmission chain and pretension loading apparatus27 Mar 2012US 8,141,402 B2Jtekt Corporation
- Device for stretching a transmission chain28 Jun 2011US 7,966,798 B2Gear Chain Industrial B.V.
- Chain intelligent pretension and chain length detection method and device11 Feb 2021US 2021/0041224 A1Hangzhou Donghua Chain Group Co.,Ltd.
- Method for Producing a Link-Plate Chain26 Feb 2015US 2015/0057118 A1Schaeffler Technologies AG & Co. KG
- Device and method for stretching a transmission chain28 Jun 2012US 2012/0159921 A1
- Winding member manufacturing method, winding member manufacturing apparatus, winding member peripheral length measuring apparatus and pre-tension applying apparatus25 Mar 2010US 2010/0071191 A1Jtekt Corporation
- Plate-link chain30 Jul 2009US 2009/0192001 A1LuK Lamellen und Kupplungsbau Beteiligungs KG
Most cited
By later US patents
- Power transmission chain27US 5,651,746 ABorg-Warner Automotive, Inc. · 1997
- Chain for continuously variable transmission18US 6,142,903 ALuK Getriebe-Systeme GmbH · 2000
- Chain17US 6,824,484 B2LuK Lamellen und Kupplungsbau Beteiligungs KG · 2004
- Chain16US 6,558,281 B1LuK Lamellen und Kupplungsbau Beteiligunes KG · 2003
- Rocker joint silent chain having a joint pin thicker than a corresponding rocker pin13US 6,186,921 B1Borg-Warner Automotive, Inc. · 2001