Y10T 29/49265
Ring groove forming or finishing
Y10T29/49265 (Ring groove forming or finishing) appears on 72 US grants and 42 published applications in this corpus.
Search patents in Y10T- Granted patents
- 72
- Published applications
- 42
- Assignees
- 47
- Inventors
- 136
- Latest grant
- 6 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 4 | 6 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 7 |
| 2010 | 1 | 1 |
| 2011 | 3 | 3 |
| 2012 | 5 | 3 |
| 2013 | 3 | 3 |
| 2014 | 2 | 1 |
| 2015 | 4 | 3 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Monolithic, galleryless piston and method of construction thereof6 Apr 2021US 10,968,862 B2Tenneco Inc.
- Monolithic, galleryless piston and method of construction thereof11 Aug 2020US 10,738,731 B2Tenneco Inc.
- Monolithic galleryless piston and method of construction thereof12 Feb 2019US 10,202,937 B2Tenneco Inc.
- Monolithic, galleryless piston and method of construction thereof9 Oct 2018US 10,094,327 B2Federal-Mogul Corporation
- Method for the production of a piston for an internal combustion engine4 Sep 2018US 10,065,277 B2Mahle International GmbH
- Monolithic, galleryless piston and method of construction thereof3 Jan 2019US 2019/0003418 A1Federal-Mogul Corporation
- Monolithic galleryless piston and method of construction thereof9 Nov 2017US 2017/0321628 A1Federal-Mogul Corporation
- Method for the production of a piston for an internal combustion engine11 Aug 2016US 2016/0229007 A1Mahle International GmbH
- Monolithic, galleryless piston and method of construction thereof28 Apr 2016US 2016/0115899 A1Federal-Mogul Corporation
- Monolithic, galleryless piston and method of construction thereof31 Mar 2016US 2016/0090939 A1Federal-Mogul Corporation
Most cited
By later US patents
- Method of producing a one-part cooling duct piston45US 5,778,533 AMahle GmbH · 1998
- Heat transfer tube for single phase flow38US 4,690,211 AHitachi Cable, Ltd. · 1987
- Method of making aluminum piston with reinforced piston ring groove27US 4,125,926 ACaterpillar Tractor Co. · 1978
- Piston for an internal combustion engine and method for its production27US 8,001,946 B2Mahle International GmbH · 2011
- Piston assembly having abradable coating26US 5,469,777 AFord Motor Company · 1995