G05F 1/147
With motor driven tap switch
Official title: with motor driven tap switch
G05F1/147 (With motor driven tap switch) appears on 62 US grants and 40 published applications in this corpus.
Search patents in G05F- Granted patents
- 62
- Published applications
- 40
- Assignees
- 36
- Inventors
- 96
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 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 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 4 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 5 |
| 2017 | 2 | 0 |
| 2018 | 4 | 3 |
| 2019 | 3 | 5 |
| 2020 | 4 | 6 |
| 2021 | 2 | 0 |
| 2022 | 3 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 4 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Gas shut-off in a particulate removal device and method7 Jan 2025US 12,189,406 B2Dürr Systems AG
- Multi-phase voltage regulator control8 Oct 2024US 12,111,673 B2Hubbell Incorporated
- Multi-phase voltage regulator control5 Sep 2023US 11,747,840 B2Hubbell Incorporated
- Output inductance value controlling method, apparatus, and computer device for multi-tap reactor25 Jul 2023US 11,711,037 B2Guangdong Giwee Technology Co. Ltd.
- On-load tap changer and local network transformer having an on-load tap changer18 Apr 2023US 11,631,554 B2Maschinenfabrik Reinhausen GmbH
- Method and device for changing a transformation ratio, an impedance, or a voltage used for excitation23 Oct 2025US 2025/0330018 A1Maschinenfabrik Reinhausen GmbH
- No-arc on-load tap changer, switching control method and electrical equipment3 Jul 2025US 2025/0218654 A1
- Gas shut-off in a particulate removal device and method13 Mar 2025US 2025/0085728 A1Dürr Systems AG
- Multi-phase voltage regulator control23 Jan 2025US 2025/0028340 A1
- Multi-phase voltage regulator control7 Dec 2023US 2023/0393597 A1Hubbell Incorporated
Most cited
By later US patents
- Uninterruptible power system402US 5,602,462 ABest Power Technology, Inc. · 1997
- Method and apparatus for automatic voltage reduction control186US 4,346,341 AGeneral Electric Company · 1982
- Microcontroller-based tap changer controller employing half-wave digitization of A.C. signals136US 5,581,173 ABeckwith Electric Co., Inc. · 1996
- Voltage controller59US 4,630,220 ASouthern California Edison Company · 1986
- Multifunction adaptive controls for tapswitches and capacitors57US 5,646,512 A1997