H02J 9/002
In which a reserve is maintained in an energy source by disconnecting
Official title: {in which a reserve is maintained in an energy source by disconnecting non-critical loads, e.g. maintaining a reserve of charge in a vehicle battery for starting an engine}
H02J9/002 (In which a reserve is maintained in an energy source by disconnecting) appears on 209 US grants and 231 published applications in this corpus.
Search patents in H02J- Granted patents
- 209
- Published applications
- 231
- Assignees
- 174
- Inventors
- 546
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 4 | 5 |
| 2004 | 5 | 5 |
| 2005 | 2 | 2 |
| 2006 | 3 | 4 |
| 2007 | 3 | 7 |
| 2008 | 1 | 2 |
| 2009 | 2 | 15 |
| 2010 | 5 | 10 |
| 2011 | 7 | 9 |
| 2012 | 9 | 13 |
| 2013 | 7 | 12 |
| 2014 | 11 | 13 |
| 2015 | 8 | 8 |
| 2016 | 11 | 12 |
| 2017 | 11 | 14 |
| 2018 | 11 | 17 |
| 2019 | 18 | 10 |
| 2020 | 12 | 12 |
| 2021 | 13 | 18 |
| 2022 | 12 | 9 |
| 2023 | 6 | 6 |
| 2024 | 12 | 14 |
| 2025 | 11 | 8 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power supply management system for a vehicle25 Nov 2025US 12,479,379 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Backup power supply for emergency communication in a fully discharged fuel cell electric vehicle4 Nov 2025US 12,463,450 B2Hyundai Motor Company
- Vehicle battery power monitoring and management systems9 Sep 2025US 12,409,741 B2
- System and method of providing packing inventory sensing and management of a supply compartment for a storage receptacle19 Aug 2025US 12,390,038 B2Big Belly Solar, Inc.
- Undervoltage protection system for power supply management19 Aug 2025US 12,395,006 B2Aptiv Technologies AG
- Uninterruptible power supply with an autonomous under frequency detection and load shedding functionality30 Jul 2026US 2026/0221800 A1Eaton Intelligent Power Limited
- Electric system of an electric road vehicle21 May 2026US 2026/0138455 A1
- Electric vehicle power supply equipment and battery backup method thereof, and power backup device21 May 2026US 2026/0138494 A1Lite-On Technology Corporation
- Adjustment of traction battery energy reserve19 Mar 2026US 2026/0081458 A1Ford Global Technologies, LLC
- Battery power management apparatus and method4 Sep 2025US 2025/0276611 A1
Most cited
By later US patents
- Security system and method288US 9,286,772 B2ADT US Holdings, Inc. · 2016
- Power bar with remote control205US 6,211,581 B12001
- Battery control system for battery operated vehicles131US 4,012,681 ACurtis Instruments, Inc. · 1977
- Security system and method131US 8,665,084 B2ADT US Holdings, Inc. · 2014
- Security system and method128US 9,589,441 B2ADT US Holdings, Inc. · 2017