B23H 5/04
Electrical discharge machining combined with mechanical working
B23H5/04 (Electrical discharge machining combined with mechanical working) appears on 44 US grants and 44 published applications in this corpus.
Search patents in B23H- Granted patents
- 44
- Published applications
- 44
- Assignees
- 45
- Inventors
- 144
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 4 |
| 2019 | 1 | 4 |
| 2020 | 1 | 2 |
| 2021 | 3 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 5 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of treating a medical implant surface for osseointegration12 Aug 2025US 12,383,403 B1Atlas Spine, Inc.
- Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation7 Jan 2025US 12,186,807 B2Powdermet, Inc.
- Electrochemical discharge-assisted micro-grinding device for micro-components of brittle and hard materials28 May 2024US 11,992,890 B2Changsha University of Science and Technology
- Electrochemical discharge-enabled micro-grinding process for micro-components of silicon-based materials20 Feb 2024US 11,904,400 B2Changsha University of Science and Technology
- Forming cooling aperture(s) using electrical discharge machining13 Jun 2023US 11,673,200 B2Raytheon Technologies Corporation
- Spindle power-on device for mechanical discharge compound machine tool19 Sep 2024US 2024/0308010 A1Xinjiang University
- Mold manufacturing system9 May 2024US 2024/0149499 A1Zhong Chuan Technology Limited
- Method of manufacturing a zinc-nickel alloy electroplated steel sheet28 Dec 2023US 2023/0416937 A1Posco
- Electrochemical Discharge-assisted Micro-grinding Device for Micro-components of Brittle and Hard Materials12 Oct 2023US 2023/0321740 A1Changsha University of Science and Technology
- Electrochemical Discharge-Enabled Micro-grinding process for Micro-Components of Silicon-based Materials21 Sep 2023US 2023/0294189 A1Changsha University of Science and Technology
Most cited
By later US patents
- Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation253US 9,943,918 B2Powdermet, Inc. · 2018
- Method of abrasive electroerosion grinding52US 4,956,056 A1990
- Combined EDM and ultrasonic drilling35US 4,992,639 AROLLS-ROYCE plc · 1991
- Machine tool having a chip collecting apparatus28US 5,078,256 AYamazaki Mazak Corporation · 1992
- Process and device for treatment of metal-bonded nonconductive materials25US 4,641,007 A1987