B23H 2500/20
Methods or devices for detecting wire or workpiece position
B23H2500/20 (Methods or devices for detecting wire or workpiece position) appears on 88 US grants and 85 published applications in this corpus.
Search patents in B23H- Granted patents
- 88
- Published applications
- 85
- Assignees
- 41
- Inventors
- 163
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 3 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 1 | 7 |
| 2016 | 3 | 5 |
| 2017 | 8 | 5 |
| 2018 | 5 | 12 |
| 2019 | 8 | 6 |
| 2020 | 4 | 4 |
| 2021 | 4 | 10 |
| 2022 | 6 | 3 |
| 2023 | 4 | 7 |
| 2024 | 4 | 2 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wire electric discharge machine, correction device, and correction method4 Nov 2025US 12,459,043 B2Fanuc Corporation
- Method of machining a feature in an aircraft engine component15 Apr 2025US 12,276,962 B2Pratt & Whitney Canada Corp.
- Control device and recording medium encoded with program11 Mar 2025US 12,246,386 B2Fanuc Corporation
- Electric discharge machine and sensor unit7 Jan 2025US 12,186,821 B2Sodick Co., Ltd.
- Method for drilling a hole in a part made of electroconductive material26 Nov 2024US 12,151,296 B2Safran Aircraft Engines
- Wire electrical discharge machining apparatus, wire electrical discharge machining method, and wafer manufacturing method24 Sep 2026US 2026/0284764 A1Mitsubishi Electric Corporation
- Wire electrical discharge machining device with interchangeable tool holding system15 Jan 2026US 2026/0014634 A1Pratt & Whitney Canada Corp.
- Multi-station edm for vanes18 Dec 2025US 2025/0381607 A1Chromalloy Gas Turbine Corporation
- System and method for calibrating a machining system2 Oct 2025US 2025/0306562 A1Pratt & Whitney Canada Corp.
- Method of manufacturing one or more sharp bodies by wire electro-erosion, semifinished product, fixture, and method of manufacturing a surgical cutting instrument for robotic microsurgery by wire electro-erosion22 Aug 2024US 2024/0278345 A1
Most cited
By later US patents
- Automatic set-up electroerosion machining method and apparatus26US 3,987,270 AA.G. fur industrielle Elektronik AGIE Losone b. Locarno · 1976
- Apparatus and method for electrical discharge machining18US 4,232,208 AA.G. fur industrielle Elecktronik AGIE Losone b. Locarno · 1980
- Method of electrically cutting materials with a wire-shaped electrode and apparatus for practicing the same16US 4,363,948 AMitsubishi Denki Kabushiki Kaisha · 1982
- Wire electrode discharge machine and method16US 5,744,775 AMitsubishi Denki Kabushiki Kaisha · 1998
- Method and device for controlling the tool electrode in an electrical discharge machine tool13US 4,700,039 AAmada Company, Limited · 1987