H04N 21/6187
Involving transmission via a telephone network
Official title: {involving transmission via a telephone network, e.g. POTS}
H04N21/6187 (Involving transmission via a telephone network) appears on 344 US grants and 354 published applications in this corpus.
Search patents in H04N- Granted patents
- 344
- Published applications
- 354
- Assignees
- 159
- Inventors
- 552
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 13 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 6 |
| 2002 | 3 | 19 |
| 2003 | 7 | 18 |
| 2004 | 6 | 66 |
| 2005 | 9 | 36 |
| 2006 | 18 | 30 |
| 2007 | 15 | 22 |
| 2008 | 15 | 17 |
| 2009 | 19 | 17 |
| 2010 | 28 | 19 |
| 2011 | 24 | 13 |
| 2012 | 17 | 15 |
| 2013 | 22 | 23 |
| 2014 | 24 | 12 |
| 2015 | 23 | 17 |
| 2016 | 13 | 10 |
| 2017 | 9 | 6 |
| 2018 | 6 | 1 |
| 2019 | 8 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electronic devie to provide multimedia content, system and method therefor27 Feb 2024US 11,917,403 B2Syndefense Corp.
- Multimedia content provisioning device, system and method20 Feb 2024US 11,910,188 B2Syndefense Corp.
- Media providing server, and method and computer program for providing order procedure content of different ordering methods27 Jun 2023US 11,689,665 B2SK Stoa Co., Ltd.
- Processing messages with a device server operating in a telephone22 Mar 2022US 11,283,933 B2AT&T Intellectual Property I, L. P.
- Multimedia content provisioning device, system and method3 Nov 2020US 10,827,352 B2
- Processing messages with a device server operating in a telephone2 Jun 2022US 2022/0174158 A1AT&T Intellectual Property I, L. P.
- Media providing server, and method and computer program for providing order procedure content of different ordering methods12 May 2022US 2022/0150359 A1SK Stoa Co., Ltd.
- Electronic devie to provide multimedia content, system and method therefor2 Sep 2021US 2021/0274347 A1Syndefense Corp.
- Multimedia content provisioning device, system and method4 Mar 2021US 2021/0067826 A1Syndefense Corp.
- Processing messages with a device server operating in a telephone2 Jul 2020US 2020/0213449 A1AT&T Intellectual Property I, L. P.
Most cited
By later US patents
- Method and apparatus for viewing of on-line information service chat data incorporated in a broadcast television program651US 5,694,163 AIntel Corporation · 1997
- System for distributing customized commercials to television viewers638US 5,319,455 AICTV, Inc. · 1994
- Interactive home information system527US 5,093,718 AInteletext Systems, Inc. · 1992
- Telephone interfaced subscription cable television system especially useful in hotels and motels424US 4,008,369 AThe Magnavox Company · 1977
- Interactive home information system for distributing compressed television programming417US 5,220,420 AInteletext Systems, Inc. · 1993