H04N 21/239
Interfacing the upstream path of the transmission network
Official title: Interfacing the upstream path of the transmission network, e.g. prioritizing client {content} requests (hybrid fiber coaxial [HFC] networks for upstream channel allocation for video distribution H04L12/2801; flow control in data networks H04L47/10; real-time communication protocols in data switching networks H04L65/00; scheduling or organising the servicing of application requests H04L67/60)
H04N21/239 (Interfacing the upstream path of the transmission network) appears on 2,283 US grants and 2,767 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,283
- Published applications
- 2,767
- Assignees
- 755
- Inventors
- 4,260
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 8 | 6 |
| 2002 | 13 | 41 |
| 2003 | 8 | 30 |
| 2004 | 11 | 41 |
| 2005 | 8 | 31 |
| 2006 | 15 | 42 |
| 2007 | 13 | 43 |
| 2008 | 12 | 53 |
| 2009 | 21 | 62 |
| 2010 | 27 | 70 |
| 2011 | 31 | 74 |
| 2012 | 46 | 92 |
| 2013 | 73 | 109 |
| 2014 | 106 | 165 |
| 2015 | 159 | 234 |
| 2016 | 188 | 227 |
| 2017 | 172 | 170 |
| 2018 | 150 | 153 |
| 2019 | 169 | 172 |
| 2020 | 180 | 160 |
| 2021 | 177 | 195 |
| 2022 | 176 | 176 |
| 2023 | 162 | 143 |
| 2024 | 147 | 109 |
| 2025 | 101 | 102 |
| 2026 | 55 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Interaction method and apparatus, electronic device, storage medium, and program product29 Sep 2026US 12,750,548 B2Beijing Zitiao Network Technology Co., Ltd.
- Video special effect processing method and apparatus, and electronic device22 Sep 2026US 12,744,859 B2Tencent Technology (Shenzhen) Company Limited
- Systems, methods, and apparatuses for improved content recording and playback22 Sep 2026US 12,744,947 B2Comcast Cable Communications, LLC
- Computer-implemented methods for generation of a manifest for a video22 Sep 2026US 12,744,952 B1Amazon Technologies, Inc.
- Method and device for personalizing generic multimedia content22 Sep 2026US 12,744,964 B2Orange
- Server-side initiation and playback of primary and secondary media content8 Oct 2026US 2026/0313175 A1Google Inc.
- Methods, systems, and apparatuses for improved transmission of content8 Oct 2026US 2026/0313178 A1Comcast Cable Communications, LLC
- Streaming apparatus, streaming method, and storage medium1 Oct 2026US 2026/0303884 A1Honda Motor Co., Ltd.
- Techniques for traffic surge protection of live origin server1 Oct 2026US 2026/0303887 A1Netflix, Inc.
- User-defined content streaming24 Sep 2026US 2026/0292280 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,970US 6,374,336 B1Avid Technology, Inc. · 2002
- Computer system and process for transferring streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,737US 6,449,688 B1Avid Technology, Inc. · 2002
- Computer system and process for transferring streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,529US 6,785,768 B2Avid Technology, Inc. · 2004
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,489US 6,415,373 B1Avid Technology, Inc. · 2002
- Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner1,446US 7,111,115 B2Avid Technology, Inc. · 2006