H04W 4/16
Communication-related supplementary services
Official title: Communication-related supplementary services, e.g. call-transfer or call-hold
H04W4/16 (Communication-related supplementary services) appears on 3,659 US grants and 4,035 published applications in this corpus.
Search patents in H04W- Granted patents
- 3,659
- Published applications
- 4,035
- Assignees
- 960
- Inventors
- 6,022
- Latest grant
- 6 Oct 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 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 22 | 0 |
| 1999 | 32 | 0 |
| 2000 | 42 | 0 |
| 2001 | 30 | 20 |
| 2002 | 37 | 50 |
| 2003 | 25 | 64 |
| 2004 | 26 | 100 |
| 2005 | 38 | 110 |
| 2006 | 77 | 141 |
| 2007 | 55 | 150 |
| 2008 | 67 | 163 |
| 2009 | 53 | 102 |
| 2010 | 82 | 164 |
| 2011 | 104 | 133 |
| 2012 | 163 | 167 |
| 2013 | 258 | 351 |
| 2014 | 290 | 380 |
| 2015 | 372 | 417 |
| 2016 | 365 | 335 |
| 2017 | 309 | 214 |
| 2018 | 253 | 168 |
| 2019 | 204 | 160 |
| 2020 | 186 | 146 |
| 2021 | 131 | 112 |
| 2022 | 103 | 99 |
| 2023 | 98 | 105 |
| 2024 | 81 | 78 |
| 2025 | 73 | 69 |
| 2026 | 45 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- PSAP/public responder network integrations6 Oct 2026US 12,755,622 B2Avive Solutions, Inc.
- Connected devices call exit management6 Oct 2026US 12,756,782 B2Motorola Mobility LLC
- Systems and methods for emulating a shared line system in a multicell network15 Sep 2026US 12,739,325 B2VTech Telecommunications Limited
- Systems, devices, and methods managing messaging in a multi-user environment1 Sep 2026US 12,726,797 B1Lingual Information System Technologies, Inc.
- Automatic after call application download platform18 Aug 2026US 12,711,522 B2OnePIN, Inc.
- Missed call alerting8 Oct 2026US 2026/0313325 A1T-Mobile Innovations LLC
- Mobile application for prioritized communication1 Oct 2026US 2026/0303721 A1Glolink Technologies Inc.
- Method and server for providing response message to message transmission request17 Sep 2026US 2026/0281670 A1SK Planet Co., Ltd.
- Systems and methods for bonded and vetted phone transmissions17 Sep 2026US 2026/0281671 A1Ford Global Technologies, LLC
- Inbound and outbound communication session and call control6 Aug 2026US 2026/0230556 A1MBTE Holdings Sweden AB
Most cited
By later US patents
- Personal communications internetworking1,899US 5,742,905 ABell Communications Research, Inc. · 1998
- Electronic massaging network759US 5,742,668 ABell Communications Research, Inc. · 1998
- Method and system for managing telecommunications such as telephone calls730US 5,327,486 ABell Communications Research, Inc. · 1994
- System and method for pushing information from a host system to a mobile data communication device having a shared electronic address717US 6,219,694 B1Research In Motion Limited · 2001
- System and method for pushing information from a host system to a mobile data communication device466US 6,779,019 B1Research In Motion Limited · 2004