H04N 21/23439
For generating different versions
Official title: {for generating different versions}
H04N21/23439 (For generating different versions) appears on 2,894 US grants and 3,466 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,894
- Published applications
- 3,466
- Assignees
- 770
- Inventors
- 4,565
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 13 | 40 |
| 2003 | 13 | 41 |
| 2004 | 8 | 39 |
| 2005 | 10 | 58 |
| 2006 | 21 | 56 |
| 2007 | 19 | 76 |
| 2008 | 18 | 53 |
| 2009 | 30 | 71 |
| 2010 | 51 | 102 |
| 2011 | 41 | 86 |
| 2012 | 54 | 114 |
| 2013 | 78 | 148 |
| 2014 | 131 | 201 |
| 2015 | 159 | 201 |
| 2016 | 168 | 225 |
| 2017 | 183 | 233 |
| 2018 | 218 | 217 |
| 2019 | 247 | 261 |
| 2020 | 284 | 253 |
| 2021 | 260 | 221 |
| 2022 | 245 | 214 |
| 2023 | 217 | 190 |
| 2024 | 170 | 159 |
| 2025 | 163 | 126 |
| 2026 | 74 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for encoding and streaming video encoded using a plurality of maximum bitrate levels6 Oct 2026US 12,756,877 B2Divx, LLC
- Method and system for video quality monitoring6 Oct 2026US 12,756,880 B2Comcast Cable Communications, LLC
- Systems and methods for performing adaptive bitrate streaming15 Sep 2026US 12,739,430 B2Divx, LLC
- Systems and methods for network selection for adaptive video streaming15 Sep 2026US 12,739,451 B2Adela Media Holdings Inc.
- Configuring manifest files including redirect uniform resource locators8 Sep 2026US 12,732,650 B2Adeia Media Holdings LLC
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Video Fragment File Processing10 Sep 2026US 2026/0270507 A1Comcast Cable Communications, LLC
- Systems and methods for viewing-session continuity3 Sep 2026US 2026/0261721 A1Adeia Guides Inc.
- Content Manifest Delivery System20 Aug 2026US 2026/0246986 A1Comcast Cable Communications, LLC
- Method and system of playing video streams according to current orientation of a device's screen20 Aug 2026US 2026/0246987 A1Beijing Xiaomi Mobile Software Co., Ltd.
Most cited
By later US patents
- Information distribution and processing system1,232US 7,181,758 B1Data Innovation LLC · 2007
- Client server based interactive television program guide system with remote server recording995US 7,761,892 B2United Video Properties, Inc. · 2010
- System for adaptive video/audio transport over a network627US 6,014,694 ACitrix Systems, Inc. · 2000
- Methods and apparatus for implementing control functions in a streamed video display system427US 6,014,706 AMicrosoft Corporation · 2000
- System, device, and method for streaming a multimedia file317US 5,928,330 AMotorola, Inc. · 1999