H04Q 2213/1318
Ringing
H04Q2213/1318 (Ringing) appears on 149 US grants and 85 published applications in this corpus.
Search patents in H04Q- Granted patents
- 149
- Published applications
- 85
- Assignees
- 44
- Inventors
- 130
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 7 |
| 2002 | 13 | 1 |
| 2003 | 4 | 1 |
| 2004 | 1 | 2 |
| 2005 | 3 | 6 |
| 2006 | 2 | 7 |
| 2007 | 2 | 12 |
| 2008 | 2 | 2 |
| 2009 | 3 | 0 |
| 2010 | 3 | 0 |
| 2011 | 9 | 7 |
| 2012 | 5 | 3 |
| 2013 | 6 | 4 |
| 2014 | 3 | 1 |
| 2015 | 5 | 5 |
| 2016 | 2 | 2 |
| 2017 | 5 | 4 |
| 2018 | 4 | 6 |
| 2019 | 4 | 3 |
| 2020 | 3 | 4 |
| 2021 | 3 | 3 |
| 2022 | 2 | 2 |
| 2023 | 4 | 3 |
| 2024 | 3 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Calling line/name identification of enterprise subscribers in mobile calls23 Sep 2025US 12,425,814 B2Tango Networks, Inc.
- Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks28 Jan 2025US 12,212,435 B2Tango Networks, Inc.
- System and method for enabling call originations using SMS and hotline capabilities17 Sep 2024US 12,096,315 B2Tango Networks, Inc.
- System and method for executing originating services in a terminating network for IMS and non-IMS applications27 Aug 2024US 12,075,327 B2Tango Networks, Inc.
- Call flow system and method for use in a legacy telecommunication system9 Jan 2024US 11,871,216 B2Tango Networks, Inc.
- Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks28 Dec 2023US 2023/0421408 A1Tango Networks, Inc.
- System and method for enabling call originations using sms and hotline capabilities3 Aug 2023US 2023/0247395 A1Tango Networks, Inc.
- Calling line/name identification of enterprise subscribers in mobile calls3 Aug 2023US 2023/0247515 A1Tango Networks, Inc.
- System and method for executing originating services in a terminating network for ims and non-ims applications1 Dec 2022US 2022/0386213 A1Tango Networks, Inc.
- Call flow system and method for use in a legacy telecommunication system24 Nov 2022US 2022/0377642 A1Tango Networks, Inc.
Most cited
By later US patents
- Network based distributed PBX system407US 5,742,596 APhonet Communication Ltd. · 1998
- Telephone control system with branch routing343US 5,375,161 AAccessLine Technologies, Inc. · 1994
- System and method for enabling DTMF detection in a VoIP network246US 8,271,049 B2Tango Networks, Inc. · 2012
- Remote access telephone control system221US 4,893,335 AFuller Research and Development Company · 1990
- Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls216US 5,214,688 AInventions, Inc. · 1993