G05F 1/34
Combined with discharge tubes or semiconductor devices
Official title: combined with discharge tubes or semiconductor devices
G05F1/34 (Combined with discharge tubes or semiconductor devices) appears on 61 US grants and 8 published applications in this corpus.
Search patents in G05F- Granted patents
- 61
- Published applications
- 8
- Assignees
- 34
- Inventors
- 104
- Latest grant
- 1 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetically controllable throttle for reactive power compensation having capacitively connected auxiliary windings1 Nov 2022US 11,489,340 B2Siemens Energy Global GmbH & Co. KG
- DC/DC converter18 Dec 2018US 10,158,286 B2Mitsubishi Electric Corporation
- Continuously variable saturable shunt reactor21 Aug 2018US 10,056,886 B2Siemens Aktiengesellschaft
- Voltage converter inductor having a nonlinear inductance value18 Apr 2017US 9,627,125 B2Volterra Semiconductor Corporation
- Method and system for transmitting voltage and current between a source and a load17 May 2016US 9,343,996 B2
- Magnetically controllable throttle for reactive power compensation having capacitively connected auxiliary windings15 Jul 2021US 2021/0218246 A1Siemens Aktiengesellschaft
- Dc/dc converter26 Oct 2017US 2017/0310212 A1Mitsubishi Electric Corporation
- Continuously variable saturable shunt reactor11 May 2017US 2017/0134011 A1Siemens Aktiengesellschaft
- Method and System for Transmitting Voltage and Current Between a Source and a Load6 Aug 2015US 2015/0222198 A1
- Voltage converter inductor having a nonlinear inductance value1 Jan 2015US 2015/0002129 A1Volterra Semiconductor Corporation
Most cited
By later US patents
- DC-DC converter with saturable reactor reset circuit98US 4,811,187 AHitachi Metals, Ltd. · 1989
- Critically continuous boost converter84US 5,367,247 AInternational Business Machines Corporation · 1994
- DC-DC converter with adaptive zero-voltage switching76US 5,157,592 AInternational Business Machines Corporation · 1992
- Controlled ferroresonant transformer regulated power supply58US 3,965,408 AInternational Business Machines Corporation · 1976
- Transformer for arc and plasma setups having broad current adjustment range44US 4,737,704 A1988