B23Q 17/20
Arrangements for observing, indicating or measuring on machine tools: for indicating or
Official title: for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
B23Q17/20 (Arrangements for observing, indicating or measuring on machine tools: for indicating or) appears on 316 US grants and 305 published applications in this corpus.
Search patents in B23Q- Granted patents
- 316
- Published applications
- 305
- Assignees
- 220
- Inventors
- 794
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 5 | 7 |
| 2003 | 12 | 3 |
| 2004 | 7 | 13 |
| 2005 | 6 | 3 |
| 2006 | 9 | 5 |
| 2007 | 1 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 14 |
| 2010 | 5 | 13 |
| 2011 | 4 | 10 |
| 2012 | 5 | 8 |
| 2013 | 12 | 10 |
| 2014 | 6 | 8 |
| 2015 | 6 | 15 |
| 2016 | 14 | 16 |
| 2017 | 13 | 21 |
| 2018 | 15 | 23 |
| 2019 | 23 | 23 |
| 2020 | 18 | 20 |
| 2021 | 10 | 24 |
| 2022 | 18 | 17 |
| 2023 | 15 | 13 |
| 2024 | 17 | 15 |
| 2025 | 16 | 9 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Tool cutting edge adjusting head, method of operating same and correcting tool cutting edge wear21 Jul 2026US 12,686,062 B2Blum-Novotest GmbH
- Machine for storing in-machining information and a comparison result7 Jul 2026US 12,673,393 B2Fanuc Corporation
- Dicing apparatus and method for controlling dicing apparatus30 Jun 2026US 12,667,926 B2Tokyo Seimitsu Co., Ltd.
- Marking and readout methods to be carried out by means of a processing machine, processing method, processing machine and production line12 May 2026US 12,626,074 B2GROB-WERKE GmbH & Co. KG
- Tool cutting edge adjusting head, method of operating same and correcting tool cutting edge wear8 Oct 2026US 2026/0307154 A1Blum-Novotest GmbH
- Straightness error compensation method and straightness error compensation apparatus for machine tool1 Oct 2026US 2026/0295758 A1Okuma Corporation
- Methods of Measuring and Grinding an Ice Blade, and Apparatuses Using Same16 Jul 2026US 2026/0200038 A1Skatescribe Corporation
- Machine and machine tool with workpiece measurement function25 Jun 2026US 2026/0178164 A1Makino Milling Machine Co., Ltd.
- Length Measuring Device9 Apr 2026US 2026/0098717 A1Kan Mechanical Industry, Inc.
Most cited
By later US patents
- Method and apparatus for real-time calculation and display of strain in ultrasound imaging145US 6,099,471 AGeneral Electric Company · 2000
- System for detecting linear dimensions of mechanical workpieces, with wireless signal transmission units67US 6,526,670 B1Marposs Societa' Per Azioni · 2003
- Method and apparatus for aligning keys for cutting63US 6,588,995 B2The Hillman Group, Inc. · 2003
- Method and apparatus for making prescription eyeglass lenses59US 4,989,316 AGerber Scientific Products, Inc. · 1991
- Machining device comprising a measuring device for a model56US 8,047,895 B2Sirona Dental Systems GmbH · 2011