H04Q 11/04
Selecting arrangements for multiplex systems: for time-division multiplexing
Official title: for time-division multiplexing {(H04Q11/0001 takes precedence)}
H04Q11/04 (Selecting arrangements for multiplex systems: for time-division multiplexing) appears on 8,314 US grants and 1,973 published applications in this corpus.
Search patents in H04Q- Granted patents
- 8,314
- Published applications
- 1,973
- Assignees
- 1,286
- Inventors
- 11,497
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 56 | 0 |
| 1977 | 57 | 0 |
| 1978 | 50 | 0 |
| 1979 | 47 | 0 |
| 1980 | 35 | 0 |
| 1981 | 49 | 0 |
| 1982 | 56 | 0 |
| 1983 | 72 | 0 |
| 1984 | 66 | 0 |
| 1985 | 100 | 0 |
| 1986 | 78 | 0 |
| 1987 | 98 | 0 |
| 1988 | 101 | 0 |
| 1989 | 107 | 0 |
| 1990 | 101 | 0 |
| 1991 | 125 | 0 |
| 1992 | 132 | 0 |
| 1993 | 163 | 0 |
| 1994 | 286 | 0 |
| 1995 | 336 | 0 |
| 1996 | 413 | 0 |
| 1997 | 345 | 0 |
| 1998 | 556 | 0 |
| 1999 | 629 | 0 |
| 2000 | 614 | 0 |
| 2001 | 615 | 217 |
| 2002 | 506 | 448 |
| 2003 | 467 | 259 |
| 2004 | 369 | 199 |
| 2005 | 265 | 127 |
| 2006 | 333 | 104 |
| 2007 | 169 | 64 |
| 2008 | 150 | 72 |
| 2009 | 128 | 57 |
| 2010 | 106 | 57 |
| 2011 | 78 | 49 |
| 2012 | 60 | 34 |
| 2013 | 63 | 34 |
| 2014 | 69 | 36 |
| 2015 | 29 | 28 |
| 2016 | 45 | 18 |
| 2017 | 21 | 22 |
| 2018 | 23 | 28 |
| 2019 | 22 | 27 |
| 2020 | 29 | 26 |
| 2021 | 35 | 25 |
| 2022 | 20 | 13 |
| 2023 | 13 | 10 |
| 2024 | 13 | 7 |
| 2025 | 9 | 5 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Network architecture9 Jul 2026US 2026/0197566 A1UCL Business PLC
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Most cited
By later US patents
- Database backup method1,405US 4,686,620 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1987
- Method of supporting unknown addresses in an interface for data transmission in an asynchronous transfer mode1,030US 6,151,323 A3Com Technologies · 2000
- Multimedia channel formulation mechanism978US 5,699,361 AIndustrial Technology Research Institute · 1997
- PSTN architecture for video-on-demand services963US 5,247,347 ABell Atlantic Network Services, Inc. · 1993
- IP-flow classification in a wireless point to multi-point (PTMP) transmission system910US 6,452,915 B1Malibu Networks, Inc. · 2002