Y04S 20/20
End-user application control systems
Y04S20/20 (End-user application control systems) appears on 4,997 US grants and 5,756 published applications in this corpus.
Search patents in Y04S- Granted patents
- 4,997
- Published applications
- 5,756
- Assignees
- 2,020
- Inventors
- 9,617
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 16 | 0 |
| 1978 | 17 | 0 |
| 1979 | 22 | 0 |
| 1980 | 17 | 0 |
| 1981 | 13 | 0 |
| 1982 | 32 | 0 |
| 1983 | 24 | 0 |
| 1984 | 22 | 0 |
| 1985 | 12 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 13 | 0 |
| 1989 | 19 | 0 |
| 1990 | 20 | 0 |
| 1991 | 20 | 0 |
| 1992 | 17 | 0 |
| 1993 | 32 | 0 |
| 1994 | 26 | 0 |
| 1995 | 25 | 0 |
| 1996 | 30 | 0 |
| 1997 | 31 | 0 |
| 1998 | 35 | 0 |
| 1999 | 40 | 0 |
| 2000 | 42 | 0 |
| 2001 | 29 | 12 |
| 2002 | 39 | 48 |
| 2003 | 30 | 99 |
| 2004 | 50 | 103 |
| 2005 | 43 | 56 |
| 2006 | 67 | 62 |
| 2007 | 49 | 81 |
| 2008 | 53 | 96 |
| 2009 | 59 | 145 |
| 2010 | 74 | 213 |
| 2011 | 83 | 322 |
| 2012 | 158 | 440 |
| 2013 | 207 | 493 |
| 2014 | 256 | 437 |
| 2015 | 292 | 351 |
| 2016 | 310 | 403 |
| 2017 | 338 | 375 |
| 2018 | 339 | 371 |
| 2019 | 414 | 363 |
| 2020 | 337 | 376 |
| 2021 | 336 | 305 |
| 2022 | 241 | 211 |
| 2023 | 258 | 183 |
| 2024 | 197 | 96 |
| 2025 | 126 | 73 |
| 2026 | 51 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for actively managing electric power supply for an electric power grid29 Sep 2026US 12,748,450 B2Causam Enterprises, Inc.
- System and methods for actively managing electric power over an electric power grid29 Sep 2026US 12,748,451 B2Causam Enterprises, Inc.
- Strategic rationing of vehicle energy for supporting household loads during power outages22 Sep 2026US 12,744,388 B2Ford Global Technologies, LLC
- Operation control system, operation control apparatus, and operation control method25 Aug 2026US 12,716,601 B2Daikin Industries, Ltd.
- System for configuring demand response for energy grid assets25 Aug 2026US 12,717,294 B2Centrica Business Solutions Belgium N.V.
- Plug-in energy storage batteries and networked plug-in energy storage batteries24 Sep 2026US 2026/0291242 A1
- Scalable rules-based object-oriented power system control scheme27 Aug 2026US 2026/0254245 A1Cummins Power Generation Inc.
- Power control device20 Aug 2026US 2026/0245153 A1Systemex Energies Inc.
- Proactive intelligent load shedding13 Aug 2026US 2026/0238008 A1Operation Technology, Inc.
- Battery management system for battery powered equipment13 Aug 2026US 2026/0238033 A1Briggs & Stratton Corporation
Most cited
By later US patents
- Expandable home automation system1,640US 5,086,385 ACustom Command Systems · 1992
- System and method for powering an information handling system in multiple power states1,184US 8,063,619 B2Dell Products L. P. · 2011
- Smart electric vehicle (EV) charging and grid integration apparatus and methods998US 9,026,347 B2The Regents of the University of California · 2015
- Engery management and building automation system884US 5,572,438 ATECO Energy Management Services · 1996
- Refrigeration monitor unit797US 6,453,687 B2Robertshaw Controls Company · 2002