B23H 5/02
Electrical discharge machining combined with electrochemical machining
B23H5/02 (Electrical discharge machining combined with electrochemical machining) appears on 24 US grants and 30 published applications in this corpus.
Search patents in B23H- Granted patents
- 24
- Published applications
- 30
- Assignees
- 23
- Inventors
- 74
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 4 |
| 2016 | 0 | 4 |
| 2017 | 0 | 1 |
| 2018 | 4 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wire electrical discharge machine16 Jun 2026US 12,654,246 B2Agie Charmilles SA
- Cutting electrode head for a handheld electrical discharge machining device2 Jan 2024US 11,858,055 B2ROLLS-ROYCE plc
- Method for high-speed wire cutting3 Oct 2023US 11,772,177 B2Agie Charmilles SA
- Electrochemical machining device15 Dec 2020US 10,864,586 B2Intai Technology Corp.
- Method for material recovery in electroerosion machining16 Jun 2020US 10,682,715 B2General Electric Company
- An electrical machining device25 Jul 2024US 2024/0246161 A1Texture Jet Ltd
- Wire Electrical Discharge Machine29 Jun 2023US 2023/0201941 A1Agie Charmilles SA
- Method for high-speed wire cutting10 Feb 2022US 2022/0040775 A1Agie Charmilles SA
- Cutting electrode head for a handheld electrical discharge machining device15 Apr 2021US 2021/0107079 A1ROLLS-ROYCE plc
- Dual cathode tooling device for electroerosion5 Sep 2019US 2019/0270153 A1La Corporacion Mexicana De Investigacion En Materiales, S.A. De C.V.
Most cited
By later US patents
- Methods and apparatus for the electrical machining of a workpiece15US 4,487,671 ANational Research Development Corporation · 1984
- Method of preparing a machining fluid for electroerosion13US 4,584,450 AInoue-Japax Research Incorporated · 1986
- Micro cutting method and system10US 5,976,347 AFuji Xerox Co., Ltd. · 1999
- Electrolytic/electric discharge machining of a non-conductive workpiece9US 4,448,656 AOhyo Jiki Labolatory Company Ltd. · 1984
- Wire-electroerosion method and apparatus for forming a tapered contour in a workpiece7US 4,367,129 AInoue-Japax Research Incorporated · 1983