H04Q 2213/13096
Digital apparatus individually associated with a subscriber line, digital line circuits
H04Q2213/13096 (Digital apparatus individually associated with a subscriber line, digital line circuits) appears on 453 US grants and 202 published applications in this corpus.
Search patents in H04Q- Granted patents
- 453
- Published applications
- 202
- Assignees
- 172
- Inventors
- 734
- Latest grant
- 16 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 14 | 0 |
| 1996 | 20 | 0 |
| 1997 | 22 | 0 |
| 1998 | 32 | 0 |
| 1999 | 28 | 0 |
| 2000 | 33 | 0 |
| 2001 | 27 | 34 |
| 2002 | 37 | 54 |
| 2003 | 41 | 22 |
| 2004 | 29 | 17 |
| 2005 | 20 | 15 |
| 2006 | 23 | 6 |
| 2007 | 16 | 11 |
| 2008 | 15 | 15 |
| 2009 | 11 | 5 |
| 2010 | 9 | 5 |
| 2011 | 3 | 5 |
| 2012 | 5 | 4 |
| 2013 | 7 | 2 |
| 2014 | 5 | 1 |
| 2015 | 4 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for intelligent dual-tone multi-frequency (DTMF) decoding and identification16 Apr 2019US 10,264,333 B1
- Key telephone system, control method, terminal, and program20 Nov 2018US 10,135,998 B2NEC Platforms, Ltd.
- Systems and methods for connecting heterogeneous networks6 Nov 2018US 10,122,862 B2Ubiquity Software Corporation
- Transmission control protocol/internet protocol (TCP/IP) packet-centric wireless point to multi-point (PtMP) transmission system architecture18 Jul 2017US 9,712,289 B2Intellectual Ventures I LLC
- Method and computer program product for internet protocol (IP)—flow classification in a wireless point to multi-point (PTMP) transmission system15 Nov 2016US RE46,206 E1Intellectual Ventures I LLC
- Telephone switching device, telephone terminal, telephone switching system, control method and control program29 Dec 2022US 2022/0417622 A1NEC Platforms, Ltd.
- Transmission control protocol/internet protocol (tcp/ip) packet-centric wireless point to multi-point (ptmp) transmission system architecture8 Mar 2018US 2018/0069668 A1Intellectual Ventures I LLC
- Systems and methods for connecting heterogeneous networks22 Jun 2017US 2017/0180560 A1Ubiquity Software Corporation
- Key telephone system, control method, terminal, and program17 Mar 2016US 2016/0080580 A1NEC Platforms, Ltd.
- Relay switching circuit1 Oct 2015US 2015/0281806 A1Hon Hai Precision Industry Co., Ltd.
Most cited
By later US patents
- IP-flow classification in a wireless point to multi-point (PTMP) transmission system910US 6,452,915 B1Malibu Networks, Inc. · 2002
- Cable connected wan interconnectivity services for corporate telecommuters702US 6,452,923 B1AT&T Corp. · 2002
- Application-aware, quality of service (QoS) sensitive, media access control (MAC) layer567US 6,640,248 B1Malibu Networks, Inc. · 2003
- Coaxial cable/twisted pair fed, integrated residence gateway controlled, set-top box537US 6,510,152 B1AT&T Corp. · 2003
- Method and computer program product for internet protocol (IP)-flow classification in a wireless point to multi-point (PtMP) transmission system397US 7,251,218 B2Van Drebbel Mariner LLC · 2007