B23H 3/04
Electrodes specially adapted therefor or their manufacture
Official title: Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence)
B23H3/04 (Electrodes specially adapted therefor or their manufacture) appears on 178 US grants and 223 published applications in this corpus.
Search patents in B23H- Granted patents
- 178
- Published applications
- 223
- Assignees
- 108
- Inventors
- 469
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 2 |
| 2002 | 3 | 4 |
| 2003 | 4 | 12 |
| 2004 | 2 | 6 |
| 2005 | 3 | 6 |
| 2006 | 1 | 5 |
| 2007 | 8 | 10 |
| 2008 | 4 | 5 |
| 2009 | 5 | 3 |
| 2010 | 3 | 10 |
| 2011 | 6 | 8 |
| 2012 | 4 | 4 |
| 2013 | 4 | 5 |
| 2014 | 4 | 3 |
| 2015 | 4 | 12 |
| 2016 | 5 | 14 |
| 2017 | 10 | 13 |
| 2018 | 11 | 12 |
| 2019 | 13 | 18 |
| 2020 | 10 | 8 |
| 2021 | 5 | 8 |
| 2022 | 13 | 10 |
| 2023 | 4 | 18 |
| 2024 | 7 | 15 |
| 2025 | 12 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pulsed electrochemical machining18 Aug 2026US 12,708,952 B2ROLLS-ROYCE plc
- Revolving cathode tool and method for co-rotating electrochemical machining of inner wall of aero-engine casing30 Jun 2026US 12,667,899 B2Nanjing University of Aeronautics and Astronautics
- Device for the electropolishing of multiple free- moving items by means of solid electrolytes24 Feb 2026US 12,559,854 B2Steros Gpa Innovative, S.L.
- Automated iterative electrode fabrication for pulsed electrochemical machining18 Nov 2025US 12,472,571 B2ROLLS-ROYCE plc
- ECM system, having a holder and a machining platform11 Nov 2025US 12,465,986 B2MTU Aero Engines AG
- Cathode tool, method and system for counter-rotating electrochemical machining with internal flushing17 Sep 2026US 2026/0273638 A1Nanjing University of Aeronautics and Astronautics
- Method for producing an embossing tool for bipolar plates and embossing tool20 Aug 2026US 2026/0241432 A1ElringKlinger AG
- Substrate processing device including light source6 Aug 2026US 2026/0225170 A1Samsung Electronics Co., Ltd.
- Electrochemical machining tool, electrochemical machining device, and blade manufacturing method30 Jul 2026US 2026/0216804 A1Mitsubishi Heavy Industries, Ltd.
- Device for the electropolishing of multiple free-moving items by means of solid electrolytes23 Jul 2026US 2026/0209985 A1Steros Gpa Innovative, S.L.
Most cited
By later US patents
- Device providing electrical contact to the surface of a semiconductor workpiece during metal plating86US 6,497,800 B1Nutool, Inc. · 2002
- Four-axis ECM machine and method of operation51US 5,149,405 ALehr Precision, Inc. · 1992
- Method of manufacturing electrically conductive elements particularly EDM or ECM electrodes36US 5,461,769 ANational Research Council of Canada · 1995
- Electrode for electrochemical machining, method of electrochemical machining with said electrode, a bearing and a method of determining a profile using said electrode35US 5,882,491 ASKF Industrial Trading and Development Company, B.V. · 1999
- Electrochemical rifling of gun barrels32US 4,690,737 ACation Corporation · 1987