B22D 19/0009
Cylinders, pistons
Official title: {Cylinders, pistons}
B22D19/0009 (Cylinders, pistons) appears on 289 US grants and 202 published applications in this corpus.
Search patents in B22D- Granted patents
- 289
- Published applications
- 202
- Assignees
- 143
- Inventors
- 683
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 4 |
| 2002 | 7 | 3 |
| 2003 | 3 | 9 |
| 2004 | 4 | 8 |
| 2005 | 8 | 12 |
| 2006 | 11 | 15 |
| 2007 | 11 | 21 |
| 2008 | 6 | 8 |
| 2009 | 5 | 11 |
| 2010 | 7 | 6 |
| 2011 | 10 | 7 |
| 2012 | 3 | 14 |
| 2013 | 7 | 7 |
| 2014 | 9 | 2 |
| 2015 | 6 | 11 |
| 2016 | 7 | 11 |
| 2017 | 7 | 12 |
| 2018 | 7 | 4 |
| 2019 | 11 | 10 |
| 2020 | 9 | 7 |
| 2021 | 8 | 3 |
| 2022 | 7 | 7 |
| 2023 | 3 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Casting apparatus, casting process and cast component14 Apr 2026US 12,599,956 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Process for making a one-piece composite liner for cold chamber die casting application1 Jul 2025US 12,343,789 B2
- Spiny liner and manufacturing method of same, and method of determining bonding strength20 May 2025US 12,305,590 B2Tpr Co., Ltd.
- Casting products for cooling heating elements and method of manufacturing the same19 Nov 2024US 12,145,194 B2NEDEC Co., Ltd.
- Film forming method2 Jul 2024US 12,024,779 B2Nissan Motor Co., Ltd.
- Burr-shaped cast-in cylinder liner and inspection method for same14 May 2026US 2026/0132757 A1Zynp Corporation
- Casting products for cooling heating elements and method of manufacturing the same30 Jan 2025US 2025/0033111 A1NEDEC Co., Ltd.
- Additively manufactured channels for mold die castings19 Dec 2024US 2024/0416413 A1The Boeing Company
- Process for making a one-piece composite liner for cold chamber die casting application29 Aug 2024US 2024/0286188 A1
- Casting apparatus, casting process and cast component15 Aug 2024US 2024/0269733 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
Most cited
By later US patents
- Composite metallic and refractory article and method of manufacturing the article76US 4,404,262 AInternational Harvester Company · 1983
- Method of making a composite metal casting72US 4,023,613 AToyo Kogyo Co., Ltd. · 1977
- Cast metal composite article53US 4,587,177 AImperial Clevite Inc. · 1986
- Reinforced pistons53US 4,679,493 AAe PLC · 1987
- Heat-insulating layer to prevent temperature drop of combustion gas in internal combustion engine49US 4,254,621 ANissan Motor Co., Ltd. · 1981