B23H 7/30
Moving electrode in the feed direction
Official title: Moving electrode in the feed direction (B23H7/32 takes precedence)
B23H7/30 (Moving electrode in the feed direction) appears on 109 US grants and 85 published applications in this corpus.
Search patents in B23H- Granted patents
- 109
- Published applications
- 85
- Assignees
- 58
- Inventors
- 257
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 1 |
| 2003 | 4 | 1 |
| 2004 | 4 | 5 |
| 2005 | 3 | 3 |
| 2006 | 4 | 3 |
| 2007 | 1 | 5 |
| 2008 | 3 | 5 |
| 2009 | 4 | 4 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 4 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 2 |
| 2017 | 4 | 6 |
| 2018 | 3 | 6 |
| 2019 | 6 | 4 |
| 2020 | 1 | 2 |
| 2021 | 4 | 4 |
| 2022 | 3 | 5 |
| 2023 | 3 | 9 |
| 2024 | 4 | 0 |
| 2025 | 4 | 2 |
| 2026 | 2 | 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
- Follow-up swing head type large taper wire cutting device3 Mar 2026US 12,564,894 B2Changzhou Institute of Technology
- Method for electrical discharge machining5 Aug 2025US 12,377,482 B2Agie Charmilles SA
- Flow block sealing methods29 Jul 2025US 12,370,614 B2ROLLS-ROYCE plc
- Hydraulically operated electrochemical machining assemblies27 May 2025US 12,311,459 B2Textron Innovations Inc.
- Monitoring breakthrough of electrical discharge machining electrode through a workpiece27 Feb 2025US 2025/0065428 A1Rtx Corporation
- Control method of wire electric discharge machine and wire electric discharge machine20 Feb 2025US 2025/0058390 A1Makino Milling Machine Co., Ltd.
- Dual head pecm2 Nov 2023US 2023/0347429 A1ROLLS-ROYCE plc
- Flow block sealing methods2 Nov 2023US 2023/0347433 A1ROLLS-ROYCE plc
- Electrochemical Machining of Geometrically Complex Passages14 Sep 2023US 2023/0286070 A1Textron Innovations Inc.
Most cited
By later US patents
- Complex hole shaping30US 7,041,933 B2Meyer Tool, Inc. · 2006
- Device and process for electrical-discharge machining of a three-dimensional cavity with a thin rotating tool electrode27US 5,354,961 ACharmilles Technologies S.A. · 1994
- Three-dimensional electrical discharge machining method and apparatus utilizing NC control19US 5,919,380 AMitsubishi Denki Kabushiki Kaisha · 1999
- Small hole electrical discharge machining method and small hole electrical discharge machining apparatus19US 6,576,858 B1Elenix, Inc. · 2003
- Method of and apparatus for electroerosively machining a 3D cavity in a workpiece17US 4,365,133 AInoue-Japax Research Incorporated · 1982