H03K 4/085
Protection of sawtooth generators
Official title: {Protection of sawtooth generators}
H03K4/085 (Protection of sawtooth generators) appears on 30 US grants and 2 published applications in this corpus.
Search patents in H03K- Granted patents
- 30
- Published applications
- 2
- Assignees
- 18
- Inventors
- 40
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Low frequency oscillator with ultra-low short circuit current24 Mar 2020US 10,601,408 B2Texas Instruments Incorporated
- Wave loss detection circuit for drive signal and switching transistor drive circuit16 Jul 2019US 10,355,687 B2Huawei Technologies Co., Ltd.
- Reduced pin full feature load switch12 Apr 2016US 9,312,836 B1Silego Technology, Inc.
- Reduced pin full feature load switch23 Jun 2015US 9,065,435 B1Silego Technology, Inc.
- Device for protecting a vertical deflection integrated circuit for a monitor30 Nov 1999US 5,995,089 ALG Electronics Inc.
Most cited
By later US patents
- Hanging fitting for freight receptacles, known as containers29US 3,963,290 AJohann Birkart, Internationale Spedition · 1976
- Television receiver protection circuit16US 4,042,858 AGTE Sylvania Incorporated · 1977
- Protective circuit for output transformer-less circuit14US 4,402,029 AMatsushita Electric Industrial Co., Ltd. · 1983
- Overvoltage protection circuit for general purpose amplifier12US 4,042,889 ACombustion Engineering, Inc. · 1977
- Complementary latching disabling circuit11US 4,147,964 ARCA Corporation · 1979