B23H 2300/12
Positive and negative pulsed electrochemical machining
B23H2300/12 (Positive and negative pulsed electrochemical machining) appears on 22 US grants and 18 published applications in this corpus.
Search patents in B23H- Granted patents
- 22
- Published applications
- 18
- Assignees
- 17
- Inventors
- 67
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Power source device for electric discharge machine24 Oct 2023US 11,794,263 B2Makino Milling Machine Co., Ltd.
- Method for high-speed wire cutting3 Oct 2023US 11,772,177 B2Agie Charmilles SA
- Pulse dynamic electrochemical machining apparatus and method for rapidly leveling surface of revolving part19 Sep 2023US 11,759,876 B2Nanjing University of Aeronautics and Astronautics
- Method for electrochemical machining using sympathetic waveform interactions23 Jul 2019US 10,357,839 B1The United States of America as represented by the Secretary of the Army
- Method and apparatus for pulsed electrochemical grinding2 Aug 2016US 9,403,228 B2Faraday Technology Corp.
- Electrode for pulsed electrochemical machining2 May 2024US 2024/0139844 A1ROLLS-ROYCE plc
- Pulsed electrochemical machining of turbine components2 Nov 2023US 2023/0347434 A1ROLLS-ROYCE plc
- Pulse dynamic electrochemical machining apparatus and method for rapidly leveling surface of revolving part2 Feb 2023US 2023/0036667 A1Nanjing University of Aeronautics and Astronautics
- Method for high-speed wire cutting10 Feb 2022US 2022/0040775 A1Agie Charmilles SA
- Power source device for electric discharge machine2 Dec 2021US 2021/0370425 A1Makino Milling Machine Co., Ltd.
Most cited
By later US patents
- Pulse reverse electrodeposition for metallization and planarization of a semiconductor substrates48US 6,203,684 B1Faraday Technology Marketing Group, LLC · 2001
- Pulse reverse electrodeposition for metallization and planarization of semiconductor substrates39US 6,319,384 B1Faraday Technology Marketing Group, LLC · 2001
- Electrochemical machining using modulated reverse electric fields36US 6,402,931 B1Faraday Technology Marketing Group, LLC · 2002
- Method and apparatus for electrochemical machining by bipolar current pulses17US 5,833,835 AU. S. Philips Corporation · 1998
- Electrolytic machining using pulsed electric current12US 5,242,556 AYoshida Kogyo K. K. · 1993