B24B 15/08
Machines or devices designed for grinding seat surfaces: for grinding co-operating seat
Official title: for grinding co-operating seat surfaces by moving one over the other
B24B15/08 (Machines or devices designed for grinding seat surfaces: for grinding co-operating seat) appears on 12 US grants and 6 published applications in this corpus.
Search patents in B24B- Granted patents
- 12
- Published applications
- 6
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual airbag compliance device for ball and seat lapping31 Oct 2023US 11,801,580 B1
- Clapper style stop valve spherical washer lapping tool9 Jul 2019US 10,343,250 B2Siemens Energy, Inc.
- Holder for sharpening and faceting27 Oct 2015US 9,168,640 B2
- Methods for controlling friction between heterogeneous contact surfaces22 Sep 2015US 9,140,131 B2ROLLS-ROYCE plc
- Laser match honing system and method23 Sep 2014US 8,841,575 B2Robert Bosch GmbH
- Clapper style stop valve spherical washer lapping tool5 Sep 2019US 2019/0270174 A1Siemens Energy, Inc.
- Clapper style stop valve spherical washer lapping tool30 Aug 2018US 2018/0243879 A1Siemens Energy, Inc.
- Holder for sharpening and faceting21 May 2015US 2015/0140909 A1
- Laser match honing system and method1 Nov 2012US 2012/0273471 A1Robert Bosch GmbH
- Methods for controlling friction between heterogeneous contact surfaces25 Oct 2012US 2012/0269637 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Method and apparatus for automatic ball to seat lapping7US 5,097,635 AKeystone Valvtron, Inc. · 1992
- Valve grinding apparatus3US 4,581,854 A1986
- Lapping device2US 4,018,008 A1977
- Dual airbag compliance device for ball and seat lapping1US 11,801,580 B12023
- Method for manufacture or repair of a globe valve1US 5,016,349 ANeles Oy · 1991