H04N 21/6583
Acknowledgement
H04N21/6583 (Acknowledgement) appears on 218 US grants and 301 published applications in this corpus.
Search patents in H04N- Granted patents
- 218
- Published applications
- 301
- Assignees
- 129
- Inventors
- 422
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 3 |
| 2003 | 2 | 24 |
| 2004 | 2 | 42 |
| 2005 | 1 | 5 |
| 2006 | 4 | 12 |
| 2007 | 4 | 9 |
| 2008 | 6 | 11 |
| 2009 | 5 | 14 |
| 2010 | 11 | 20 |
| 2011 | 12 | 17 |
| 2012 | 16 | 16 |
| 2013 | 18 | 15 |
| 2014 | 22 | 13 |
| 2015 | 19 | 12 |
| 2016 | 6 | 11 |
| 2017 | 13 | 10 |
| 2018 | 7 | 9 |
| 2019 | 10 | 5 |
| 2020 | 7 | 12 |
| 2021 | 12 | 10 |
| 2022 | 6 | 8 |
| 2023 | 12 | 9 |
| 2024 | 6 | 4 |
| 2025 | 3 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptive resource control for video streaming26 May 2026US 12,641,254 B1QUALCOMM Incorporated
- Methods and systems for enabling communications between devices12 May 2026US 12,627,854 B2Sonifi Solutions, Inc.
- Transport protocol for anticipatory content12 Aug 2025US 12,388,569 B2Snappi, Inc.
- Maximum sustainable encoding bit rates for video downloads27 May 2025US 12,316,694 B2Vasona Networks, Inc.
- Return path for broadcast system and method11 Feb 2025US 12,225,251 B2Trilogy 5G, Inc.
- Deriving Video Frame Status From Rate Control Feedback27 Aug 2026US 2026/0254973 A1Telefonaktiebolaget LM Ericsson (publ)
- Methods and systems for enabling communications between devices20 Aug 2026US 2026/0246999 A1Sonifi Solutions, Inc.
- Method for enabling video recreation6 Aug 2026US 2026/0230588 A1Axis AB
- Data transmission method, apparatus, device, and system, and storage medium14 May 2026US 2026/0135811 A1Huawei Technologies Co., Ltd.
- Method and apparatus for media data transmission25 Sep 2025US 2025/0301197 A1Tencent Technology (Shenzhen) Company Limited
Most cited
By later US patents
- System for adaptive video/audio transport over a network627US 6,014,694 ACitrix Systems, Inc. · 2000
- Audio and video transmission and receiving system533US 5,253,275 A1993
- Audio and video transmission and receiving system450US 5,550,863 A1996
- System and method for providing statistics for flexible billing in a cable environment198US 6,230,203 B1Scientific-Atlanta, Inc. · 2001
- System and method for scheduled delivery of a software program over a cable network137US 6,238,290 B1MediaOne Group, Inc. · 2001