H04Q 3/60
For connecting to satellites or concentrators which connect one or more exchange
Official title: for connecting to satellites or concentrators which connect one or more exchange lines with a group of local lines
H04Q3/60 (For connecting to satellites or concentrators which connect one or more exchange) appears on 97 US grants and 76 published applications in this corpus.
Search patents in H04Q- Granted patents
- 97
- Published applications
- 76
- Assignees
- 72
- Inventors
- 218
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 4 |
| 2003 | 0 | 4 |
| 2004 | 5 | 13 |
| 2005 | 6 | 15 |
| 2006 | 8 | 11 |
| 2007 | 2 | 7 |
| 2008 | 4 | 6 |
| 2009 | 4 | 1 |
| 2010 | 8 | 1 |
| 2011 | 4 | 1 |
| 2012 | 5 | 1 |
| 2013 | 4 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Multi-die non-blocking crossbar switch8 Apr 2025US 12,273,668 B2Xilinx, Inc.
- Set buffer state instruction30 Jun 2020US 10,698,845 B2International Business Machines Corporation
- Set buffer state instruction5 Mar 2019US 10,223,300 B2International Business Machines Corporation
- Network element28 Aug 2018US 10,063,690 B2Adtran, Inc.
- Interpreting I/O operation requests from pageable guests without host intervention26 Apr 2016US 9,323,560 B2International Business Machines Corporation
- Gateway apparatus, private branch exchange system, and private branch exchange method2 Oct 2025US 2025/0310437 A1NEC Platforms, Ltd.
- Multi-die non-blocking crossbar switch20 Jun 2024US 2024/0205570 A1Xilinx, Inc.
- Set buffer state instruction13 Jun 2019US 2019/0179780 A1International Business Machines Corporation
- Network element6 Oct 2016US 2016/0295011 A1Adtran, Inc.
- Set buffer state instruction11 Aug 2016US 2016/0232113 A1International Business Machines Corporation
Most cited
By later US patents
- Distributed prioritized concentrator123US 4,472,801 AAT&T Bell Laboratories · 1984
- Wide area centrex toll service with novel translation104US 5,539,817 AStentor Resource Centre, Inc. · 1996
- Robust system for transmitting and receiving map data100US 6,924,753 B2Zenith Electronics Corporation · 2005
- Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data61US 7,653,143 B2Electronics and Telecommunications Research Institute · 2010
- System and method for reliably communicating telecommunication information59US 6,996,134 B1General Bandwidth Inc. · 2006