B23C 3/055
For engines
Official title: {for engines}
B23C3/055 (For engines) appears on 59 US grants and 27 published applications in this corpus.
Search patents in B23C- Granted patents
- 59
- Published applications
- 27
- Assignees
- 41
- Inventors
- 80
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 0 |
| 2003 | 2 | 5 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 5 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cutting tool assembly2 Sep 2025US 12,403,535 B2Seco Tools AB
- Combination tool and tool holder for a combination tool11 Jul 2023US 11,697,162 B2Kyocera Unimerco Tooling A/S
- Manufacturing method for engine21 Jan 2020US 10,539,093 B2Toyota Jidosha Kabushiki Kaisha
- Cubic cutting insert for boring or plunging7 Mar 2017US 9,586,274 B2Walter AG
- Machine tool for rotary machining5 Jan 2016US 9,227,282 B2Komet Group GmbH
- Apparatus for centering a pilot tool within a valve guide during valve seat cutting2 Oct 2025US 2025/0303482 A1Van Norman Machine India PVT LTD
- Cutting tool assembly29 Dec 2022US 2022/0410280 A1Seco Tools AB
- Cutting tool24 Nov 2022US 2022/0371110 A1Sumitomo Electric Hardmetal Corp.
- Combination tool and tool holder for a combination tool31 Dec 2020US 2020/0406371 A1Kyocera Unimerco Tooling A/S
- Manufacturing method for engine19 Apr 2018US 2018/0106212 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Tool for the metal cutting machining of valve seats43US 7,530,769 B2Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG · 2009
- Method and machine for machining the surface of a valve seat24US 4,545,706 AHonda Giken Kogyo Kabushiki Kaisha · 1985
- Apparatus and method for machining valve seats in an engine cylinder head24US 5,829,928 AHarmand Family Limited Partnership · 1998
- Machine for finishing valve seats20US 4,147,462 ANeway Manufacturing, Inc. · 1979
- Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces19US 4,896,638 AFord Motor Company · 1990