B23P 15/065
From metal strip
Official title: {from metal strip}
B23P15/065 (From metal strip) appears on 16 US grants and 10 published applications in this corpus.
Search patents in B23P- Granted patents
- 16
- Published applications
- 10
- Assignees
- 9
- Inventors
- 30
- Latest grant
- 14 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 4 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wire for piston ring, and manufacturing method of piston ring14 Mar 2023US 11,603,929 B2Tpr Co., Ltd.
- Method for producing piston ring with recess29 Jun 2021US 11,047,479 B2Nippon Piston Ring Co., Ltd.
- Method for producing piston ring with recess24 Dec 2019US 10,514,097 B2Nippon Piston Ring Co., Ltd.
- Chemical vapor deposition of wear resistant coatings onto piston ring running face, side face, and inner diameter in one coating run6 Mar 2018US 9,909,210 B2Federal-Mogul Corporation
- Low tension piston rings and method for manufacturing the same15 Nov 2016US 9,494,233 B2Federal-Mogul Corporation
- Wire for piston ring, and manufacturing method of piston ring12 May 2022US 2022/0145990 A1Tpr Co., Ltd.
- Method for producing piston ring with recess12 Mar 2020US 2020/0080638 A1Nippon Piston Ring Co., Ltd.
- Method for producing piston ring with recess23 Nov 2017US 2017/0335965 A1Nippon Piston Ring Co., Ltd.
- Process for obtaining a piston ring and internal combustion engine16 Nov 2017US 2017/0327918 A1Mahle International GmbH
- Low tension piston rings and method for manufacturing the same19 May 2016US 2016/0138714 A1Federal-Mogul Corporation
Most cited
By later US patents
- Oil ring assembly5US 5,161,805 ARiken · 1992
- Piston rings4US 5,752,705 AAE Piston Products Limited · 1998
- Two-piece oil ring for use in internal combustion engine, steel wire of modified cross-section for use as material of the oil ring and method of producing the steel wire3US 5,304,262 AHitachi Metals, Ltd. · 1994
- Section steel wire of oil ring3US 5,411,609 AHitachi Metals, Ltd. · 1995
- Method for making piston rings2US 5,809,643 A1998