Y04S 20/248
Ups systems or standby or emergency generators
Official title: UPS systems or standby or emergency generators
Y04S20/248 (Ups systems or standby or emergency generators) appears on 269 US grants and 324 published applications in this corpus.
Search patents in Y04S- Granted patents
- 269
- Published applications
- 324
- Assignees
- 164
- Inventors
- 594
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 4 |
| 2006 | 4 | 4 |
| 2007 | 4 | 4 |
| 2008 | 2 | 8 |
| 2009 | 4 | 6 |
| 2010 | 3 | 7 |
| 2011 | 1 | 11 |
| 2012 | 7 | 15 |
| 2013 | 9 | 19 |
| 2014 | 9 | 13 |
| 2015 | 6 | 17 |
| 2016 | 13 | 30 |
| 2017 | 17 | 25 |
| 2018 | 20 | 21 |
| 2019 | 23 | 23 |
| 2020 | 26 | 23 |
| 2021 | 29 | 31 |
| 2022 | 25 | 26 |
| 2023 | 24 | 9 |
| 2024 | 20 | 10 |
| 2025 | 11 | 10 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Strategic rationing of vehicle energy for supporting household loads during power outages22 Sep 2026US 12,744,388 B2Ford Global Technologies, LLC
- Electrical power generating system16 Jun 2026US 12,658,711 B2BWR Innovations LLC
- Remotely controlled electrical power generating system17 Mar 2026US 12,580,388 B2BWR Innovations LLC
- Methods for monitoring and controlling multiple microgrid systems9 Dec 2025US 12,494,739 B2Unirac, Inc.
- Method and apparatus for actively managing electric power supply for an electric power grid4 Nov 2025US 12,461,547 B2Causam Enterprises, Inc.
- Methods for monitoring and controlling multiple microgrid systems30 Jul 2026US 2026/0221935 A1Unirac, Inc.
- Remotely Controlled Electrical Power Generating System16 Jul 2026US 2026/0204917 A1BWR Innovations LLC
- Grid-tied variable frequency facility19 Mar 2026US 2026/0081421 A1Neworld Energy LLC
- Method and Apparatus for Actively Managing Electric Power Supply for an Electric Power Grid5 Feb 2026US 2026/0037015 A1Causam Enterprises, Inc.
- Intelligent and flexible transfer switches for controlling power to a load output25 Sep 2025US 2025/0300491 A1Shyft Power Solutions, Inc.
Most cited
By later US patents
- Automatic transfer switch165US 6,172,432 B2Gen-Tran Corporation · 2001
- Backup power management system and method of operating the same116US 7,015,599 B2Briggs & Stratton Power Products Group, LLC · 2006
- Power shedding device81US 5,534,734 ACompusci, Inc. · 1996
- System and method for allocating power to loads56US 7,514,815 B2American Power Conversion Corporation · 2009
- Multi-time delay power controller apparatus with time delay turn-on and turn-off55US 4,769,555 APulizzi Engineering, Inc. · 1988