B21L 15/00
Finishing or dressing chains or chain links
Official title: Finishing or dressing chains or chain links, e.g. removing burr material, calibrating (B21L9/06 takes precedence)
B21L15/00 (Finishing or dressing chains or chain links) appears on 55 US grants and 36 published applications in this corpus.
Search patents in B21L- Granted patents
- 55
- Published applications
- 36
- Assignees
- 28
- Inventors
- 99
- Latest grant
- 20 Aug 2024
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 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 3 | 3 |
| 2003 | 5 | 5 |
| 2004 | 3 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 6 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 6 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Metal component and method for producing same20 Aug 2024US 12,065,729 B2Iwis Motorsysteme GmbH & Co. KG
- Chain intelligent pre-tensioning and chain length detection method and device thereof3 Aug 2021US 11,079,216 B2Hangzhou Donghua Chain Group Co.,Ltd.
- Chain element15 Jun 2021US 11,035,436 B2Schaeffler Technologies AG & Co. KG
- Automatic counting chain-cutting machine for round link chains13 Feb 2018US 9,889,482 B2Zhejiang Shuangniao Machinery Co., Ltd.
- Method for producing a link-plate chain26 Jul 2016US 9,400,033 B2Schaeffler Technologies AG & Co. KG
- Chain intelligent pretension and chain length detection method and device11 Feb 2021US 2021/0041224 A1Hangzhou Donghua Chain Group Co.,Ltd.
- Metal component and method for producing same24 Dec 2020US 2020/0399753 A1Iwis Motorsysteme GmbH & Co. KG
- Chain element25 Aug 2016US 2016/0245367 A1Schaeffler Technologies AG & Co. KG
- Automatic counting chain-cutting machine for round link chains21 Jul 2016US 2016/0207096 A1Zhejiang Shuangniao Machinery Co., Ltd.
- Method for Producing a Link-Plate Chain26 Feb 2015US 2015/0057118 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Hollow diamond cut rope chain with multi-faceted surfaces45US 5,581,993 AOroAmerica, Inc. · 1996
- Spiral diamond cut jewelry chain37US 5,285,625 AG.O.V. Jewelry, Inc. · 1994
- Process for making hollow diamond cut rope chain34US 5,125,225 AA.K.S. Jewelry, Inc. · 1992
- Hollow diamond cut rope chain with multi-faceted surfaces30US 5,353,584 AOroAmerica, Inc. · 1994
- Silent chain30US 6,068,568 ATsubakimoto Chain Co. · 2000