H04Q 2213/13296
Packet switching, x.25, frame relay
Official title: Packet switching, X.25, frame relay
H04Q2213/13296 (Packet switching, x.25, frame relay) appears on 359 US grants and 199 published applications in this corpus.
Search patents in H04Q- Granted patents
- 359
- Published applications
- 199
- Assignees
- 132
- Inventors
- 497
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 33 | 0 |
| 2000 | 16 | 0 |
| 2001 | 29 | 6 |
| 2002 | 30 | 34 |
| 2003 | 24 | 26 |
| 2004 | 19 | 17 |
| 2005 | 17 | 10 |
| 2006 | 13 | 13 |
| 2007 | 17 | 24 |
| 2008 | 18 | 7 |
| 2009 | 17 | 9 |
| 2010 | 11 | 3 |
| 2011 | 12 | 8 |
| 2012 | 5 | 7 |
| 2013 | 10 | 3 |
| 2014 | 8 | 3 |
| 2015 | 5 | 5 |
| 2016 | 4 | 2 |
| 2017 | 5 | 3 |
| 2018 | 4 | 6 |
| 2019 | 3 | 2 |
| 2020 | 2 | 4 |
| 2021 | 2 | 3 |
| 2022 | 2 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 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.
- Network control method, apparatus, and system19 Nov 2024US 12,149,874 B2Huawei Technologies Co., Ltd.
- 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.
- Call flow system and method for use in a VoIP telecommunication system19 Dec 2023US 11,849,380 B2Tango 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.
- Network control method, apparatus, and system17 Mar 2022US 2022/0086545 A1Huawei Technologies Co., Ltd.
- Control device, execution device and device management method30 Sep 2021US 2021/0303197 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- 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
- Video-on-demand services using public switched telephone network900US 5,410,343 ABell Atlantic Network Services, Inc. · 1995
- Application-aware, quality of service (QoS) sensitive, media access control (MAC) layer567US 6,640,248 B1Malibu Networks, Inc. · 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