B23H 7/38
Influencing metal working by using specially adapted means not directly involved in
Official title: Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation
B23H7/38 (Influencing metal working by using specially adapted means not directly involved in) appears on 55 US grants and 37 published applications in this corpus.
Search patents in B23H- Granted patents
- 55
- Published applications
- 37
- Assignees
- 38
- Inventors
- 104
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 5 |
| 2011 | 1 | 0 |
| 2012 | 3 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical discharge machining apparatus18 Nov 2025US 12,472,570 B2Highlight Tech Corp.
- Method for wire electro-discharge machining a part21 Feb 2023US 11,583,947 B2Pratt & Whitney Canada Corp.
- Vibration assisted wire machining device6 Sep 2022US 11,433,469 B2National Kaohsiung University of Science and Technology
- Core moving device of wire electric discharge machine26 Apr 2022US 11,311,954 B2Sodick Co., Ltd.
- Silicon ingot slicing apparatus using microbubbles and wire electric discharge machining20 Jul 2021US 11,065,783 B2Korea Institute of Energy Research
- Substrate processing device including light source6 Aug 2026US 2026/0225170 A1Samsung Electronics Co., Ltd.
- An electrical machining device25 Jul 2024US 2024/0246161 A1Texture Jet Ltd
- Electrical discharge machining of semiconductors7 Dec 2023US 2023/0395381 A1Nielson Scientific, LLC
- Magnetorheological electrical discharge machining electrode23 Nov 2023US 2023/0373022 A1Hamilton Sundstrand Corporation
- Electrical discharge machining apparatus17 Nov 2022US 2022/0362870 A1Highlight Tech Corp.
Most cited
By later US patents
- Method of and apparatus for electrical discharge machining a small and deep hole into or through a workpiece28US 4,393,292 AInoue-Japax Research Incorporated · 1983
- 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
- Method of and apparatus for electrical discharge machining with a vibrating wire electrode19US 4,205,213 AInoue-Japax Research Incorporated · 1980
- Structure for and method of electrical discharge machining18US 5,159,167 ARaycon Corporation · 1992