B23H 2300/00
Power source circuits or energization
B23H2300/00 (Power source circuits or energization) appears on 153 US grants and 106 published applications in this corpus.
Search patents in B23H- Granted patents
- 153
- Published applications
- 106
- Assignees
- 78
- Inventors
- 287
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 7 |
| 2003 | 6 | 5 |
| 2004 | 6 | 0 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 4 |
| 2012 | 2 | 5 |
| 2013 | 1 | 3 |
| 2014 | 3 | 6 |
| 2015 | 3 | 6 |
| 2016 | 5 | 8 |
| 2017 | 4 | 1 |
| 2018 | 3 | 5 |
| 2019 | 6 | 5 |
| 2020 | 3 | 3 |
| 2021 | 2 | 8 |
| 2022 | 4 | 4 |
| 2023 | 8 | 13 |
| 2024 | 4 | 4 |
| 2025 | 7 | 3 |
| 2026 | 1 | 1 |
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
- Automated iterative electrode fabrication for pulsed electrochemical machining18 Nov 2025US 12,472,571 B2ROLLS-ROYCE plc
- Workholding for pulsed electrochemical machining4 Nov 2025US 12,459,044 B2ROLLS-ROYCE plc
- Pulsed electrochemical machining21 Oct 2025US 12,447,543 B2ROLLS-ROYCE plc
- Flow block sealing methods29 Jul 2025US 12,370,614 B2ROLLS-ROYCE plc
- Workpiece frame with removable support1 Oct 2026US 2026/0295702 A1ROLLS-ROYCE plc
- Methods and systems of electrochemical machining2 Oct 2025US 2025/0303486 A1General Electric Company
- Methods and apparatuses of oscillatory pulsed electrochemical machining10 Jul 2025US 2025/0222531 A1Voxel Innovations, Inc.
- Systems and methods for affecting surfaces of electrically conductive materials13 Mar 2025US 2025/0084556 A1MetCon Technologies, LLC
- Electrode for pulsed electrochemical machining2 May 2024US 2024/0139844 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Electrochemical polishing method60US 4,125,444 AInoue-Japax Research Incorporated · 1978
- 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
- Pulse generator spark-erosive metal working32US 4,766,281 AAG fur industrielle Elektronik AGIE Losone bei Locarno · 1988