B23H 1/026
Power supply protection
Official title: {Power supply protection, e.g. detection of power switch breakdown}
B23H1/026 (Power supply protection) appears on 13 US grants and 8 published applications in this corpus.
Search patents in B23H- Granted patents
- 13
- Published applications
- 8
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
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.
- Electrical machining device and method, hybrid machining system and method25 May 2021US 11,014,178 B2General Electric Company
- Wire electrical discharge machine and machining method11 May 2021US 11,000,910 B2Fanuc Corporation
- Wire electrical discharge machine with deterioration detection function for feeder25 Aug 2020US 10,751,820 B2Fanuc Corporation
- Electrical discharge machine and failure determining method4 Feb 2020US 10,549,368 B2Fanuc Corporation
- Power source device for electric discharge machine2 Dec 2021US 2021/0370425 A1Makino Milling Machine Co., Ltd.
- Wire electrical discharge machine and machining method19 Jul 2018US 2018/0200815 A1Fanuc Corporation
- Electrical machining device and method, hybrid machining system and method8 Mar 2018US 2018/0065200 A1General Electric Company
- Electrical discharge machine and failure determining method18 Jan 2018US 2018/0015557 A1Fanuc Corporation
- Wire electrical discharge machine with deterioration detection function for feeder13 Jul 2017US 2017/0197267 A1Fanuc Corporation
Most cited
By later US patents
- Fail transistor detection and display system for electrical discharge machining apparatus1US 4,733,058 AColt Industries Inc. · 1988
- Electrical discharge power supply circuit1US 5,329,088 AMitsubishi Denki Kabushiki Kaisha · 1994
- Electric discharge machining apparatus1US 6,130,816 ASodick Co., Ltd. · 2000