B23H 2500/00
Holding and positioning of tool electrodes
B23H2500/00 (Holding and positioning of tool electrodes) appears on 102 US grants and 102 published applications in this corpus.
Search patents in B23H- Granted patents
- 102
- Published applications
- 102
- Assignees
- 48
- Inventors
- 196
- Latest grant
- 28 Jul 2026
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 | 9 | 9 |
| 2018 | 5 | 14 |
| 2019 | 10 | 8 |
| 2020 | 5 | 5 |
| 2021 | 5 | 11 |
| 2022 | 9 | 6 |
| 2023 | 5 | 9 |
| 2024 | 6 | 3 |
| 2025 | 6 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealing device and wire electrical discharge machine28 Jul 2026US 12,691,517 B2Fanuc Corporation
- ECM system, having a holder and a machining platform11 Nov 2025US 12,465,986 B2MTU Aero Engines AG
- Wire electric discharge machine, correction device, and correction method4 Nov 2025US 12,459,043 B2Fanuc Corporation
- Hydraulically operated electrochemical machining assemblies27 May 2025US 12,311,459 B2Textron Innovations Inc.
- Method of machining a feature in an aircraft engine component15 Apr 2025US 12,276,962 B2Pratt & Whitney Canada Corp.
- Sealing device1 Oct 2026US 2026/0295700 A1Fanuc Corporation
- 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.
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