H02J 9/007
Detection of the absence of a load
Official title: {Detection of the absence of a load}
H02J9/007 (Detection of the absence of a load) appears on 93 US grants and 116 published applications in this corpus.
Search patents in H02J- Granted patents
- 93
- Published applications
- 116
- Assignees
- 84
- Inventors
- 221
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 5 |
| 2003 | 3 | 5 |
| 2004 | 2 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 4 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 6 |
| 2011 | 1 | 12 |
| 2012 | 4 | 6 |
| 2013 | 4 | 9 |
| 2014 | 7 | 9 |
| 2015 | 10 | 5 |
| 2016 | 0 | 2 |
| 2017 | 6 | 6 |
| 2018 | 6 | 4 |
| 2019 | 3 | 7 |
| 2020 | 3 | 3 |
| 2021 | 5 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 5 |
| 2024 | 3 | 4 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sustainable power shifting in the presence of an uninterruptible power supply1 Sep 2026US 12,726,044 B2International Business Machines Corporation
- System and methods for operating a power converter at varying power production conditions25 Aug 2026US 12,719,384 B2Solaredge Technologies Ltd.
- Electronic controller connectable to one or more loads for monitoring the loads16 Sep 2025US 12,416,436 B2Carel Industries S.P.A.
- Embedded power supply apparatus and power supply system15 Jul 2025US 12,362,559 B2Delta Electronics, Inc.
- Power supply having low standby power consumption20 May 2025US 12,308,693 B2Datalogic IP Tech S.R.L.
- Standby Power Supply Circuit and Control Method Thereof2 Jul 2026US 2026/0189052 A1Shenzhen Honor Electronic Co., Ltd
- Power Converter, Primary-Side Controller, Secondary-Side Controller, and Related Control Method Capable of Operating in Standby Mode26 Jun 2025US 2025/0211086 A1Weltrend Semiconductor Inc.
- Sustainable power shifting in the presence of an uninterruptible power supply5 Jun 2025US 2025/0183705 A1International Business Machines Corporation
- Energy storage converter, and energy storage system1 May 2025US 2025/0141252 A1Sungrow Power Supply Co., Ltd.
- Portable energy system25 Jul 2024US 2024/0250545 A1Enphase Energy, Inc.
Most cited
By later US patents
- Power factor corrected SMPS with light and heavy load control modes106US 6,714,425 B2Sanken Electric Co., Ltd. · 2004
- Battery pack-detecting charger98US 7,405,536 B2Black & Decker Inc. · 2008
- Standby power circuit arrangement63US 5,636,288 AParadigm Electronics Inc. · 1997
- Battery charger circuit with low standby power dissipation43US 6,339,314 B12002
- Electrical distribution device with preventive checking of the state of the load, particularly for civil and industrial users35US 5,708,551 AGewiss S.P.A. · 1998