H04N 21/25
Management operations performed by the server for facilitating the content distribution or
Official title: Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies {(maintenance or administration in data networks H04L41/00)}
H04N21/25 (Management operations performed by the server for facilitating the content distribution or) appears on 24,217 US grants and 30,914 published applications in this corpus.
Search patents in H04N- Granted patents
- 24,217
- Published applications
- 30,914
- Assignees
- 4,455
- Inventors
- 34,881
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 18 | 0 |
| 1994 | 14 | 0 |
| 1995 | 24 | 0 |
| 1996 | 49 | 0 |
| 1997 | 60 | 0 |
| 1998 | 79 | 0 |
| 1999 | 107 | 0 |
| 2000 | 129 | 0 |
| 2001 | 144 | 161 |
| 2002 | 142 | 831 |
| 2003 | 138 | 736 |
| 2004 | 187 | 725 |
| 2005 | 182 | 840 |
| 2006 | 341 | 931 |
| 2007 | 286 | 1047 |
| 2008 | 335 | 1054 |
| 2009 | 432 | 1208 |
| 2010 | 624 | 1173 |
| 2011 | 697 | 1086 |
| 2012 | 873 | 1189 |
| 2013 | 1106 | 1462 |
| 2014 | 1634 | 1982 |
| 2015 | 1734 | 1773 |
| 2016 | 1604 | 1747 |
| 2017 | 1561 | 1645 |
| 2018 | 1420 | 1355 |
| 2019 | 1504 | 1432 |
| 2020 | 1596 | 1534 |
| 2021 | 1454 | 1435 |
| 2022 | 1395 | 1406 |
| 2023 | 1408 | 1332 |
| 2024 | 1267 | 1199 |
| 2025 | 1053 | 1033 |
| 2026 | 548 | 598 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for streaming session data management6 Oct 2026US 12,754,850 B2DISH Network Technologies India Private Limited
- Modifying buffer delay in a media broadcast system6 Oct 2026US 12,756,490 B1iHeartMedia Management Services, Inc.
- Updating media devices in a local network with a client-server architecture6 Oct 2026US 12,756,624 B2DISH Network L.L.C.
- Adaptive on-board media channel interface6 Oct 2026US 12,756,875 B2ViaSat, Inc.
- Systems and methods for encoding and streaming video encoded using a plurality of maximum bitrate levels6 Oct 2026US 12,756,877 B2Divx, LLC
- Method, system, and apparatus for updating statistical databases based on sensed movement data8 Oct 2026US 2026/0311567 A1AdrenalineIP
- Packet lake: novel network primitive for low latency volumetric streaming8 Oct 2026US 2026/0313174 A1Nokia Solutions and Networks Oy
- Server-side initiation and playback of primary and secondary media content8 Oct 2026US 2026/0313175 A1Google Inc.
- Systems and methods for dynamic stitching of advertisements in live stream content8 Oct 2026US 2026/0313176 A1SnifferCat, Inc.
- Systems and methods for dynamic stitching of advertisements in live stream content8 Oct 2026US 2026/0313177 A1SnifferCat, Inc.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- 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
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- 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
- System for customized electronic identification of desirable objects1,946US 6,029,195 A2000