B21K 1/205
Rocker arms
Official title: {rocker arms}
B21K1/205 (Rocker arms) appears on 44 US grants and 33 published applications in this corpus.
Search patents in B21K- Granted patents
- 44
- Published applications
- 33
- Assignees
- 27
- Inventors
- 82
- Latest grant
- 31 Jan 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 3 |
| 2004 | 1 | 7 |
| 2005 | 4 | 4 |
| 2006 | 6 | 3 |
| 2007 | 2 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 4 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cam follower for a valve train of an internal combustion engine31 Jan 2017US 9,556,755 B2Schaeffler Technologies AG & Co. KG
- Involute spring pallet component for a cylinder deactivation switchable roller finger follower31 Mar 2015US 8,991,349 B2Schaeffler Technologies AG & Co. KG
- Manufacturing method for rocker arm18 Oct 2011US 8,037,601 B2Nakanishi Metal Works Co., Ltd.
- Method of making an outer lever of a switchable finger lever21 Sep 2010US 7,797,830 B2Schaeffler KG
- Method for manufacturing rocker arm7 Sep 2010US 7,788,805 B2Nakanishi Metal Works Co., Ltd.
- Formed outer arm for rocker arm assembly25 Nov 2021US 2021/0362214 A1Eaton Intelligent Power Limited
- Cam follower for a valve train of an internal combustion engine14 Jan 2016US 2016/0010514 A1Schaeffler Technologies AG & Co. KG
- Method for making lubrication spray orifice for valve actuating mechanism3 Apr 2014US 2014/0090251 A1GT Technologies
- Rocker arm29 Aug 2013US 2013/0220254 A1Schaeffler Technologies AG & Co. KG
- Involute spring pallet component for a cylinder deactivation switchable roller finger follower8 Aug 2013US 2013/0199480 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Roller follower axle retention40US 4,628,874 AEaton Corporation · 1986
- Method of manufacturing a rocker arm40US 5,774,984 AKoyo Corporation · 1998
- Method of making an outer lever of a switchable finger lever30US 7,761,988 B2Schaeffler KG · 2010
- Rocker arm28US 5,016,582 AHenley Manufacturing Holding Company, Inc. · 1991
- Cold-formed rocker arm with cam-contacting roller27US 4,796,483 AThe Henley Group, Inc. · 1989