B23H 7/32
Maintaining desired spacing between electrode and workpiece
Official title: Maintaining desired spacing between electrode and workpiece {, e.g. by means of particulate material}
B23H7/32 (Maintaining desired spacing between electrode and workpiece) appears on 23 US grants and 35 published applications in this corpus.
Search patents in B23H- Granted patents
- 23
- Published applications
- 35
- Assignees
- 21
- Inventors
- 88
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 6 |
| 2016 | 0 | 0 |
| 2017 | 2 | 3 |
| 2018 | 2 | 1 |
| 2019 | 3 | 4 |
| 2020 | 4 | 2 |
| 2021 | 1 | 4 |
| 2022 | 1 | 1 |
| 2023 | 3 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- EDM Machine tool with compounded electrode-reciprocation and servo-feed drivers7US 4,430,544 AInoue-Japax Research Incorporated · 1984
- Electrode with outside flow of electrolyte for electrochemical machining and method6US 5,002,643 A1991
- Electric discharge machining device and electric discharge machining method6US 6,788,019 B2Mitsubishi Denki Kabushiki Kaisha · 2004
- Method and apparatus for electrochemically machining a workpiece4US 5,672,263 AUnited Technologies Corporation · 1997
- Critical orifice gap setting for grooving fluid dynamic bearings3US 7,632,391 B2Seagate Technology LLC · 2009