B23Q 15/20
Before or after the tool acts upon the workpiece
Official title: before or after the tool acts upon the workpiece
B23Q15/20 (Before or after the tool acts upon the workpiece) appears on 364 US grants and 265 published applications in this corpus.
Search patents in B23Q- Granted patents
- 364
- Published applications
- 265
- Assignees
- 266
- Inventors
- 848
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 7 |
| 2007 | 2 | 1 |
| 2008 | 3 | 3 |
| 2009 | 0 | 3 |
| 2010 | 3 | 8 |
| 2011 | 3 | 2 |
| 2012 | 4 | 5 |
| 2013 | 3 | 8 |
| 2014 | 3 | 4 |
| 2015 | 5 | 15 |
| 2016 | 8 | 15 |
| 2017 | 12 | 12 |
| 2018 | 14 | 21 |
| 2019 | 19 | 19 |
| 2020 | 14 | 19 |
| 2021 | 17 | 25 |
| 2022 | 22 | 12 |
| 2023 | 10 | 25 |
| 2024 | 17 | 23 |
| 2025 | 17 | 19 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tool management system and tool management device6 Oct 2026US 12,752,388 B2Okuma Corporation
- Transport system, control method, and non-transitory computer-readable medium comprising control program15 Sep 2026US 12,735,259 B2Dmg Mori Co., Ltd.
- Numerical value control device8 Sep 2026US 12,730,428 B2Fanuc Corporation
- Machine tool and machine tool control method18 Aug 2026US 12,708,968 B2Star Micronics Co., Ltd.
- System and method for post-cure processing of a composite workpiece18 Aug 2026US 12,708,972 B2The Boeing Company
- Automated Machining Process for Manufacturing Parts1 Oct 2026US 2026/0295756 A1The Boeing Company
- Straightness error compensation method and straightness error compensation apparatus for machine tool1 Oct 2026US 2026/0295758 A1Okuma Corporation
- Centering unit, centering system and centering method for sheets at line start of stamping line17 Sep 2026US 2026/0273610 A1Jier Machine-Tool Group Co.Ltd
- Abrasive articles, systems and methods of use27 Aug 2026US 2026/0249424 A13M Innovative Properties Company
- Setting method of machine tool, computer, machine tool, machine tool system, computer program, and computer readable medium20 Aug 2026US 2026/0245324 A1Yamazaki Mazak Corporation
Most cited
By later US patents
- Position detecting device and method102US 4,688,088 ACanon Kabushiki Kaisha · 1987
- Self-positioning welding or cutting torch75US 4,389,561 AESAB Aktiebolag · 1983
- Pattern recognition system62US 4,123,695 AU. S. Philips Corporation · 1978
- Method and apparatus for setting the gap distance between a mask and a wafer at a predetermined distance51US 5,179,863 AKabushiki Kaisha Toshiba · 1993
- Selector-dispenser of flat key blanks43US 4,159,783 AKis France · 1979