H04N 21/434
Disassembling of a multiplex stream
Official title: Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream {(demultiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)}
H04N21/434 (Disassembling of a multiplex stream) appears on 7,984 US grants and 8,588 published applications in this corpus.
Search patents in H04N- Granted patents
- 7,984
- Published applications
- 8,588
- Assignees
- 1,375
- Inventors
- 10,435
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 18 | 0 |
| 1993 | 28 | 0 |
| 1994 | 37 | 0 |
| 1995 | 55 | 0 |
| 1996 | 116 | 0 |
| 1997 | 103 | 0 |
| 1998 | 154 | 0 |
| 1999 | 150 | 0 |
| 2000 | 149 | 0 |
| 2001 | 179 | 133 |
| 2002 | 168 | 397 |
| 2003 | 167 | 375 |
| 2004 | 186 | 377 |
| 2005 | 174 | 450 |
| 2006 | 296 | 491 |
| 2007 | 223 | 572 |
| 2008 | 207 | 566 |
| 2009 | 271 | 605 |
| 2010 | 403 | 537 |
| 2011 | 438 | 433 |
| 2012 | 513 | 329 |
| 2013 | 480 | 363 |
| 2014 | 586 | 444 |
| 2015 | 440 | 385 |
| 2016 | 352 | 338 |
| 2017 | 334 | 339 |
| 2018 | 294 | 255 |
| 2019 | 266 | 208 |
| 2020 | 290 | 241 |
| 2021 | 200 | 184 |
| 2022 | 202 | 167 |
| 2023 | 171 | 127 |
| 2024 | 125 | 139 |
| 2025 | 106 | 92 |
| 2026 | 68 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/4345Extraction or processing of si2,733
- H04N 21/4348Demultiplexing of additional data and video streams2,018
- H04N 21/4341Demultiplexing of audio and video streams1,272
- H04N 21/4347Demultiplexing of several video streams1,183
- H04N 21/4344Remultiplexing of multiplex streams630
- H04N 21/4343Extraction or processing of packetized elementary streams [pes]396
- H04N 21/4342Demultiplexing isochronously with video sync145
- H04N 21/4346Involving stuffing data66
Recent patents
- Display apparatus and method15 Sep 2026US 12,739,466 B2Vidaa (Netherlands) International Holdings B.V.
- Determining video provenance utilizing deep learning8 Sep 2026US 12,732,657 B2Adobe Inc.
- Wireless transmission device, display device and data transmission method and stream processing method thereof1 Sep 2026US 12,726,676 B2Samsung Electronics Co., Ltd.
- Display device for outputting audio25 Aug 2026US 12,717,541 B2LG Electronics Inc.
- Systems and methods for automated extraction of closed captions in real time or near real-time and tagging of streaming data for advertisements25 Aug 2026US 12,720,139 B2Crossbar Media Group, Inc
- Broadcast receiving apparatus and portable information terminal8 Oct 2026US 2026/0313200 A1Maxell, Ltd.
- Control Information for a Wirelessly-Transmitted Data Stream1 Oct 2026US 2026/0303891 A1HyperX Holdings LLC
- Transmitting method, receiving method, transmitting device and receiving device17 Sep 2026US 2026/0281476 A1Panasonic Intellectual Property Corporation of America
- Transmission device, transmission method, reception device, and reception method27 Aug 2026US 2026/0254764 A1Saturn Licensing LLC
- Shoe with Knit Upper Having Thermoplastic Yarn Regions13 Aug 2026US 2026/0232066 A1Cole Haan LLC
Most cited
By later US patents
- Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information2,572US 6,177,931 B1Index Systems, Inc. · 2001
- Synchronous network for digital media streams2,236US 6,611,537 B1Centillium Communications, Inc. · 2003
- Electronic television program guide schedule system and method with data feed access1,287US 5,589,892 A1996
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Systems and methods for linking television viewers with advertisers and broadcasters1,174US 6,002,394 AStarsight Telecast, Inc. · 1999