H04Q 2213/13141
Hunting for free outlet, circuit or channel
H04Q2213/13141 (Hunting for free outlet, circuit or channel) appears on 1,032 US grants and 500 published applications in this corpus.
Search patents in H04Q- Granted patents
- 1,032
- Published applications
- 500
- Assignees
- 334
- Inventors
- 1,578
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 18 | 0 |
| 1996 | 18 | 0 |
| 1997 | 37 | 0 |
| 1998 | 64 | 0 |
| 1999 | 112 | 0 |
| 2000 | 67 | 0 |
| 2001 | 85 | 26 |
| 2002 | 76 | 74 |
| 2003 | 59 | 64 |
| 2004 | 47 | 36 |
| 2005 | 40 | 41 |
| 2006 | 45 | 36 |
| 2007 | 44 | 45 |
| 2008 | 40 | 32 |
| 2009 | 28 | 26 |
| 2010 | 33 | 28 |
| 2011 | 34 | 13 |
| 2012 | 24 | 17 |
| 2013 | 28 | 13 |
| 2014 | 22 | 6 |
| 2015 | 17 | 9 |
| 2016 | 8 | 5 |
| 2017 | 11 | 5 |
| 2018 | 7 | 6 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 4 |
| 2023 | 3 | 4 |
| 2024 | 4 | 2 |
| 2025 | 4 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Producing routing information for voice over IP communications4 Aug 2026US 12,701,077 B2VolP-Pal.com, Inc.
- Service protection method and network node3 Feb 2026US 12,542,749 B2Huawei Technologies Co., Ltd.
- Apparatus and method for providing telecommunication routing data16 Dec 2025US 12,499,148 B2NetNumber, Inc.
- Determining a time to permit a communications session to be conducted19 Aug 2025US 12,395,425 B2VolP-Pal.com, Inc.
- Optical transport network route calculation method, route calculation apparatus, and storage medium11 Feb 2025US 12,225,332 B2Zte Corporation
- Route Configuration Method and Apparatus, Device, Storage Medium, and Computer Program6 Aug 2026US 2026/0230429 A1Huawei Cloud Computing Technologies Co., Ltd.
- Apparatus and method for providing telecommunication routing data26 Feb 2026US 2026/0057006 A1NetNumber, Inc.
- Communication network systems regulating network connectivity protocols with an interconnected data platform and distributed data routing through multiplexing5 Feb 2026US 2026/0039617 A1Truist Bank
- Determining a Time to Permit a Communications Session to be Conducted4 Dec 2025US 2025/0373732 A1Voip-Pal.Com, Inc.
- Apparatus and method for providing telecommunication routing data14 Nov 2024US 2024/0378231 A1NetNumber, Inc.
Most cited
By later US patents
- System, method and article of manufacture for communications utilizing calling, plans in a hybrid network1,175US 5,867,495 AMCI Communications Corporations · 1999
- 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
- Personal communication service with mobility manager848US 5,329,578 ANorthern Telecom Limited · 1994