H01F 7/1816
Making use of an energy accumulator
Official title: {making use of an energy accumulator (for relays H01H47/043)}
H01F7/1816 (Making use of an energy accumulator) appears on 78 US grants and 59 published applications in this corpus.
Search patents in H01F- Granted patents
- 78
- Published applications
- 59
- Assignees
- 57
- Inventors
- 206
- Latest grant
- 7 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 8 |
| 2006 | 6 | 5 |
| 2007 | 2 | 2 |
| 2008 | 3 | 8 |
| 2009 | 4 | 4 |
| 2010 | 2 | 2 |
| 2011 | 1 | 3 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 3 |
| 2018 | 3 | 0 |
| 2019 | 3 | 2 |
| 2020 | 2 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and methods for operating a solenoid valve7 May 2024US 11,976,744 B2Capstan Ag Systems, Inc.
- Supplemental power systems and methods23 Apr 2024US 11,967,459 B2The Boeing Company
- Methods and drive circuit for controlling a solenoid valve16 Jan 2024US 11,873,907 B2Capstan Ag Systems, Inc.
- System and methods for operating a solenoid valve7 Nov 2023US 11,808,377 B2Capstan Ag Systems, Inc.
- Transformation control device and solenoid valve driving device6 Dec 2022US 11,522,449 B2Hitachi Astemo, Ltd.
- Electronic circuit for actuating an electromagnetic linear actuator5 Jun 2025US 2025/0182943 A1Murrelektronik GmbH
- Regenerative solenoid drive arrangement26 Dec 2024US 2024/0428973 A1Hamilton Sundstrand Corporation
- Control circuit used for circuit breaker, and electronic device6 Jul 2023US 2023/0215673 A1Huawei Digital Power Technologies Co., Ltd.
- Transformation control device and solenoid valve driving device31 Mar 2022US 2022/0103068 A1Hitachi Astemo, Ltd.
- Supplemental power systems and methods3 Mar 2022US 2022/0068531 A1The Boeing Company
Most cited
By later US patents
- Electrically driven bistable mechanical actuator56US 6,836,201 B1Raytheon Company · 2004
- Semiconductor power device having a stacked discrete inductor structure47US 7,786,837 B2Alpha and Omega Semiconductor Incorporated · 2010
- Law energy solenoid energizer39US 5,347,421 A1994
- Device for operating latching solenoids31US 6,154,354 A2000
- Control circuit for predominantly inductive loads in particular electroinjectors30US 5,532,526 AElasis Sistema Ricerca Fiat Nel Mezzogiorno Societa Consortile per Azioni · 1996