B22D 19/0027
Pistons
Official title: {pistons}
B22D19/0027 (Pistons) appears on 61 US grants and 39 published applications in this corpus.
Search patents in B22D- Granted patents
- 61
- Published applications
- 39
- Assignees
- 41
- Inventors
- 135
- Latest grant
- 1 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 3 | 1 |
| 2012 | 0 | 5 |
| 2013 | 0 | 3 |
| 2014 | 4 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 1 | 1 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Piston with sealed cooling gallery containing a thermally conductive composition1 Jun 2021US 11,022,065 B2Tenneco Inc.
- Piston for internal combustion engines and method for producing piston for internal combustion engines18 May 2021US 11,008,974 B2Isuzu Motors Limited
- Bi-metallic piston ring carrier23 Feb 2021US 10,927,786 B1Mahle International GmbH
- Reduced height piston14 Jul 2020US 10,711,732 B2Industrial Parts Depot
- Piston for internal combustion engine, and production method and production device for piston for internal combustion engine26 Nov 2019US 10,487,772 B2Hitachi Automotive Systems, Ltd.
- Piston with cofused alfin ring and process to obtain it6 Feb 2020US 2020/0038948 A1Asso Werke S.R.L.
- Piston for internal combustion engines and method for producing piston for internal combustion engines24 Jan 2019US 2019/0024605 A1Isuzu Motors Limited
- Reduced height piston19 Jul 2018US 2018/0202387 A1Industrial Parts Depot
- Piston for internal combustion engine, and production method and production device for piston for internal combustion engine21 Sep 2017US 2017/0268456 A1Hitachi Automotive Systems, Ltd.
- Method for producing a cast component with an insert17 Aug 2017US 2017/0234261 A1Mahle International GmbH
Most cited
By later US patents
- Composite metallic and refractory article and method of manufacturing the article76US 4,404,262 AInternational Harvester Company · 1983
- Cast metal composite article53US 4,587,177 AImperial Clevite Inc. · 1986
- Reinforced pistons53US 4,679,493 AAe PLC · 1987
- Piston for an internal combustion engine and method for producing same38US 4,334,507 AMahle GmbH · 1982
- Method for manufacturing clad components38US 7,066,235 B2Nanometal, LLC · 2006