B23C 2215/60
Valve guides in combination with the neighbouring valve seat
B23C2215/60 (Valve guides in combination with the neighbouring valve seat) appears on 20 US grants and 5 published applications in this corpus.
Search patents in B23C- Granted patents
- 20
- Published applications
- 5
- Assignees
- 18
- Inventors
- 33
- Latest grant
- 9 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Intake valve fairing for a cylinder head of an engine9 Jul 2019US 10,344,705 B2Ford Global Technologies, LLC
- Combination tool and method for metal-cutting machining of a drill-hole and its hole surface as well as cutting insert for such a combination tool28 Dec 2010US 7,857,557 B2Kennametal Inc.
- Resurfacing machine tool1 Jun 2010US 7,726,919 B1Rottler Manufacturing Inc.
- Valve seat and valve guide machining tool18 Nov 2008US 7,451,534 B2Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
- Tool and method for the finishing of valve seats and guides29 Aug 2006US 7,097,400 B2Mapal Fabrik fur Prazision-Swerkzeuge Dr. Kress KG
- Intake valve fairing for a cylinder head of an engine19 Apr 2018US 2018/0106214 A1Ford Global Technologies, LLC
- Combination tool and method for metal-cutting machining of a drill-hole and its hole surface as well as cutting insert for such a combination tool26 Mar 2009US 2009/0080984 A1Kennametal Inc.
- Valve Seat and Valve Guide Machining Tool17 Apr 2008US 2008/0089755 A1Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG
- Tool and method for the finishing of valve seats and guides6 Jan 2005US 2005/0002746 A1Mapal Fabrik fur Prazision-Swerkzeuge Dr. Kress KG
- Cutting tool with indexable insert20 Mar 2003US 2003/0053872 A1Dr. Jorg Guhring
Most cited
By later US patents
- Method and machine for machining the surface of a valve seat24US 4,545,706 AHonda Giken Kogyo Kabushiki Kaisha · 1985
- Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces19US 4,896,638 AFord Motor Company · 1990
- Tooling assembly for automatic tool changing18US 4,789,280 AThe Cross Company · 1988
- Valve seat bushing machining apparatus14US 5,044,841 ALitton Industrial Automation Systems, Inc. · 1991
- Position drive, in particular for use in machine tools, and tool head having such a position drive13US 5,967,007 AKomet Praezisionswerkzeuge Robert Breuning GmbH · 1999