B23C 3/056
For taps or valves
Official title: {for taps or valves}
B23C3/056 (For taps or valves) appears on 10 US grants and 5 published applications in this corpus.
Search patents in B23C- Granted patents
- 10
- Published applications
- 5
- Assignees
- 7
- Inventors
- 27
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Machining tool23 May 2023US 11,654,494 B2Honda Motor Co., Ltd.
- Valve seat machining device, and valve seat machining method using said valve seat machining device2 Apr 2019US 10,245,699 B2Mitsubishi Hitachi Power Systems, Ltd.
- Valve seat machining device, and valve seat machining method using said valve seat machining device3 Jul 2018US 10,010,995 B2Mitsubishi Hitachi Power Systems, Ltd.
- Resurfacing machine tool1 Jun 2010US 7,726,919 B1Rottler Manufacturing Inc.
- System and method for precision machining with a single point cutter26 Dec 2006US 7,153,073 B2Harmand Family Limited Partnership
- Machining tool9 Sep 2021US 2021/0276105 A1Honda Motor Co., Ltd.
- Sealing surface processing machine and method21 Mar 2019US 2019/0084057 A1Mitsubishi Hitachi Power Systems, Ltd.
- Valve seat machining device, and valve seat machining method using said valve seat machining device29 Jun 2017US 2017/0182623 A1Mitsubishi Hitachi Power Systems, Ltd.
- Valve seat machining device, and valve seat machining method using said valve seat machining device29 Jun 2017US 2017/0182624 A1Mitsubishi Hitachi Power Systems, Ltd.
- System and method for precision machining with a single point cutter13 Jul 2006US 2006/0153652 A1Harmand Family Limited Partnership
Most cited
By later US patents
- Resurfacing machine tool8US 7,726,919 B1Rottler Manufacturing Inc. · 2010
- Portable boring and refinishing tool for end-loading ball valves7US 4,463,633 A1984
- Tools for reconditioning a valve seat in a tap3US 4,204,784 A1980
- Tool assembly for repairing and in particular grinding a tap seat2US 4,286,903 A1981
- Portable machine tool2US 5,732,607 AClimax Portable Machine Tools, Inc. · 1998