H04N 21/4131
Home appliance
Official title: {home appliance, e.g. lighting, air conditioning system, metering devices (home automation data switching networks exchanging configuration information on appliance services H04L12/2807)}
H04N21/4131 (Home appliance) appears on 917 US grants and 1,143 published applications in this corpus.
Search patents in H04N- Granted patents
- 917
- Published applications
- 1,143
- Assignees
- 320
- Inventors
- 1,800
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 11 |
| 2002 | 4 | 19 |
| 2003 | 10 | 21 |
| 2004 | 2 | 36 |
| 2005 | 8 | 28 |
| 2006 | 13 | 58 |
| 2007 | 17 | 53 |
| 2008 | 6 | 22 |
| 2009 | 19 | 37 |
| 2010 | 41 | 48 |
| 2011 | 41 | 48 |
| 2012 | 29 | 40 |
| 2013 | 51 | 47 |
| 2014 | 62 | 56 |
| 2015 | 48 | 60 |
| 2016 | 54 | 76 |
| 2017 | 60 | 68 |
| 2018 | 61 | 52 |
| 2019 | 51 | 66 |
| 2020 | 64 | 52 |
| 2021 | 57 | 53 |
| 2022 | 45 | 58 |
| 2023 | 42 | 34 |
| 2024 | 35 | 41 |
| 2025 | 37 | 34 |
| 2026 | 22 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Addressable advertisement and programmatically delivered advertisement insertion and playing29 Sep 2026US 12,750,552 B2DISH Network L.L.C.
- Remotely controlling playback devices22 Sep 2026US 12,744,955 B2Apple Inc.
- System and method for synchronising lighting event among devices15 Sep 2026US 12,734,437 B2Razer (Asia-Pacific) Pte. Ltd.
- Systems and methods for saving and restoring scenes in a multimedia system8 Sep 2026US 12,732,655 B2Apple Inc.
- Systems and methods for live content streaming and associated actions via internet appliances1 Sep 2026US 12,726,671 B2Adeia Guides Inc.
- System and method of operating household appliances8 Oct 2026US 2026/0312838 A1Haier US Appliance Solutions, Inc.
- System and method for synchronising lighting event among devices24 Sep 2026US 2026/0284521 A1Razer (Asia-Pacific) Pte. Ltd.
- Set-top box with enhanced behavioral controls and system and method for use of same17 Sep 2026US 2026/0281488 A1Enseo, LLC
- Electronic device and method for content transmission using artificial intelligence model in electronic device10 Sep 2026US 2026/0270517 A1Samsung Electronics Co., Ltd.
- Home appliance and server for providing interactive multimedia contents27 Aug 2026US 2026/0254673 A1LG Electronics Inc.
Most cited
By later US patents
- Signal processing apparatus and methods832US 4,694,490 A1987
- Signal processing appparatus and methods797US 5,335,277 AThe Personalized Mass Media Corporation · 1994
- Graphical user interface for interactive television with an animated agent733US 5,524,195 ASun Microsystems, Inc. · 1996
- Graphical user interface with method and apparatus for interfacing to remote devices720US 6,020,881 ASun Microsystems, Inc. · 2000
- Browser based command and control home network693US 6,288,716 B1Samsung Electronics Co., Ltd. · 2001