H04H 20/65
Arrangements characterised by transmission systems for broadcast
H04H20/65 (Arrangements characterised by transmission systems for broadcast) appears on 2,429 US grants and 2,198 published applications in this corpus.
Search patents in H04H- Granted patents
- 2,429
- Published applications
- 2,198
- Assignees
- 805
- Inventors
- 3,778
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 18 | 0 |
| 1991 | 20 | 0 |
| 1992 | 15 | 0 |
| 1993 | 25 | 0 |
| 1994 | 25 | 0 |
| 1995 | 27 | 0 |
| 1996 | 58 | 0 |
| 1997 | 52 | 0 |
| 1998 | 90 | 0 |
| 1999 | 77 | 0 |
| 2000 | 62 | 0 |
| 2001 | 80 | 39 |
| 2002 | 45 | 116 |
| 2003 | 46 | 73 |
| 2004 | 39 | 91 |
| 2005 | 47 | 118 |
| 2006 | 59 | 167 |
| 2007 | 54 | 176 |
| 2008 | 73 | 121 |
| 2009 | 86 | 143 |
| 2010 | 109 | 113 |
| 2011 | 112 | 92 |
| 2012 | 105 | 64 |
| 2013 | 113 | 90 |
| 2014 | 113 | 88 |
| 2015 | 114 | 176 |
| 2016 | 119 | 89 |
| 2017 | 118 | 88 |
| 2018 | 97 | 67 |
| 2019 | 75 | 72 |
| 2020 | 83 | 54 |
| 2021 | 58 | 43 |
| 2022 | 33 | 27 |
| 2023 | 34 | 42 |
| 2024 | 24 | 19 |
| 2025 | 28 | 26 |
| 2026 | 15 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and devices for managing power supply systems6 Oct 2026US 12,756,180 B2Comcast Cable Communications, LLC
- Fragmenting public warning system messages in a wireless system22 Sep 2026US 12,744,608 B2Outdoor Wireless Networks LLC
- Method and system for synchronizing audio transmission in a single frequency network15 Sep 2026US 12,737,122 B2iBiquity Digital Corporation
- Node-enabled logistics receptacle in a wireless node network25 Aug 2026US 12,718,184 B2Federal Express Corporation
- Remote control using ATSC 3.025 Aug 2026US 12,720,281 B2Sony Group Corporation
- Remote control using atsc 3.028 May 2026US 2026/0149950 A1Sony Group Corporation
- Face plate for cable tap unit28 May 2026US 2026/0150202 A1Technetix B.V.
- Radio Head Unit with Dynamically Updated Tunable Channel Listing5 Feb 2026US 2026/0039406 A1Gracenote, Inc.
- Adapting radio access network coverage for location-based alerts15 Jan 2026US 2026/0019790 A1AT&T Intellectual Property I, L. P.
- Method and system for conveying multiple component signals as a combined signal in a common frequency band11 Dec 2025US 2025/0380282 A1Elta Systems Ltd.
Most cited
By later US patents
- Method and device for obtaining playlist content over a network1,821US 8,045,952 B2Horsham Enterprises, LLC · 2011
- System and method for request, delivery and use of multimedia files for audiovisual entertainment in the home environment1,801US 6,778,869 B2Sony Corporation · 2004
- Content player method and server with user profile1,192US 6,587,127 B1Motorola, Inc. · 2003
- Television program delivery system971US 5,559,549 ADiscovery Communications, Inc. · 1996
- Multimedia bidirectional broadcast system878US 5,027,400 AHitachi, Ltd. · 1991