B23D 63/123
Using two or more grinding wheels simultaneously
Official title: {using two or more grinding wheels simultaneously}
B23D63/123 (Using two or more grinding wheels simultaneously) appears on 15 US grants and 10 published applications in this corpus.
Search patents in B23D- Granted patents
- 15
- Published applications
- 10
- Assignees
- 9
- Inventors
- 28
- Latest grant
- 10 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for sharpening saw blades for vibratory or oscillatory cutting tools10 Sep 2019US 10,406,616 B2
- Computer controlled multiple axis grinding machine for grinding saw blades12 Jan 2016US 9,233,428 B2Williams & White Machine Inc.
- Apparatus for machining workpieces, in particular workpieces provided with cutting teeth24 Apr 2007US 7,207,865 B2Vollmer Werke Maschinenfabrik GmbH
- Grinding machine for double-sided grinding of saw tooth edges25 Apr 2006US 7,033,254 B2Vollmer Werke Maschinenfabrik GmbH
- Combination top and side grinding machine for circular saw blades6 Oct 1992US 5,152,193 A
- Saw chain grinding machine4 Jun 2026US 2026/0151840 A1Indusol AB
- Rotary Grinding Wheel For Shaping And Sharpening Saw Blade Teeth3 Aug 2023US 2023/0241697 A1
- Device and method for sharpening dulled saw blades29 Jun 2017US 2017/0182571 A1
- Saw set for saw chain teeth28 Jul 2016US 2016/0214191 A1
- Device and method for sharpening dulled saw blades3 Dec 2015US 2015/0343542 A1
Most cited
By later US patents
- Method and apparatus for grinding saw teeth12US 4,819,515 AArmstrong Manufacturing Company · 1989
- Grinding machine8US 4,098,149 A1978
- Segmental grinding wheel6US 5,024,026 AAmerican Saw & Mfg. Company · 1991
- Computer controlled multiple axis grinding machine for grinding saw blades6US 9,233,428 B2Williams & White Machine Inc. · 2016
- Automatic dual side grinder5US 4,823,649 A1989