G05F 1/153
Controlled by discharge tubes or semiconductor devices
Official title: controlled by discharge tubes or semiconductor devices
G05F1/153 (Controlled by discharge tubes or semiconductor devices) appears on 22 US grants and 10 published applications in this corpus.
Search patents in G05F- Granted patents
- 22
- Published applications
- 10
- Assignees
- 18
- Inventors
- 32
- Latest grant
- 1 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 4 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Centralized voltage controller and centralized voltage control system1 Feb 2022US 11,237,535 B2Mitsubishi Electric Corporation
- Regulator with reduced power consumption using clamp circuit20 Jul 2021US 11,068,004 B2Rohm Co., Ltd.
- Voltage regulator error detection and correction12 Jan 2021US 10,890,933 B2NXP B. V.
- Co-axial multi-zone induction cooking apparatus22 Dec 2020US 10,873,994 B2Haier US Appliance Solutions, Inc.
- Regulator with reduced power consumption using clamp circuit15 Sep 2020US 10,775,821 B2Rohm Co., Ltd.
- Regulator with reduced power consumption using clamp circuit12 Nov 2020US 2020/0356126 A1Rohm Co., Ltd.
- Voltage regulator error detection and correction14 May 2020US 2020/0150704 A1NXP B. V.
- Centralized voltage controller and centralized voltage control system5 Dec 2019US 2019/0369583 A1Mitsubishi Electric Corporation
- On-load tap changer and manufacturing method thereof28 Nov 2019US 2019/0363657 A1ABB Power Grids Switzerland AG
- Regulator8 Aug 2019US 2019/0243401 A1Rohm Co., Ltd.
Most cited
By later US patents
- Method and apparatus for automatic voltage reduction control186US 4,346,341 AGeneral Electric Company · 1982
- Voltage controller59US 4,630,220 ASouthern California Edison Company · 1986
- Multifunction adaptive controls for tapswitches and capacitors57US 5,646,512 A1997
- Voltage regulator compensation in power distribution circuits39US 5,055,766 ADuke Power Company · 1991
- Co-controller for controlling an LTC transformer with a standard voltage regulator control24US 5,450,002 ACooper Industries, Inc. · 1995