B23H 7/28
Moving electrode in a plane normal to the feed direction
Official title: Moving electrode in a plane normal to the feed direction, e.g. orbiting
B23H7/28 (Moving electrode in a plane normal to the feed direction) appears on 98 US grants and 50 published applications in this corpus.
Search patents in B23H- Granted patents
- 98
- Published applications
- 50
- Assignees
- 47
- Inventors
- 178
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 4 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 3 |
| 2019 | 4 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods and apparatuses of oscillatory pulsed electrochemical machining10 Jul 2025US 2025/0222531 A1Voxel Innovations, Inc.
- Electrochemical machining apparatus21 Dec 2023US 2023/0405699 A1Kabushiki Kaisha Toyota Jidoshokki
- Hydraulically Operated Electrochemical Machining Assemblies14 Sep 2023US 2023/0286072 A1Textron Innovations Inc.
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Most cited
By later US patents
- Drive assembly for multi-directional lateral displacement between tool and workpiece37US 4,152,570 AInoue-Japax Research Incorporated · 1979
- Complex hole shaping30US 7,041,933 B2Meyer Tool, Inc. · 2006
- Multiple pipe element electrode assembly EDM method and apparatus24US 4,441,004 AInoue-Japax Research Incorporated · 1984
- Electrochemical machining method and apparatus24US 6,835,299 B1Ultra Systems Limited · 2004
- Process and apparatus for electrical machining of an electrode workpiece by an electrode tool, using EDM and ECM22US 4,134,807 AAteliers des Charmilles S.A. · 1979