H04W 76/50
Connection management: for emergency connections
Official title: for emergency connections
H04W76/50 (Connection management: for emergency connections) appears on 2,911 US grants and 3,505 published applications in this corpus.
Search patents in H04W- Granted patents
- 2,911
- Published applications
- 3,505
- Assignees
- 811
- Inventors
- 5,272
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 33 | 0 |
| 2001 | 31 | 13 |
| 2002 | 29 | 54 |
| 2003 | 23 | 45 |
| 2004 | 29 | 89 |
| 2005 | 27 | 94 |
| 2006 | 62 | 90 |
| 2007 | 51 | 131 |
| 2008 | 40 | 98 |
| 2009 | 48 | 173 |
| 2010 | 69 | 213 |
| 2011 | 94 | 196 |
| 2012 | 171 | 178 |
| 2013 | 213 | 196 |
| 2014 | 219 | 161 |
| 2015 | 210 | 206 |
| 2016 | 180 | 164 |
| 2017 | 184 | 174 |
| 2018 | 160 | 136 |
| 2019 | 165 | 128 |
| 2020 | 150 | 151 |
| 2021 | 120 | 150 |
| 2022 | 117 | 148 |
| 2023 | 126 | 146 |
| 2024 | 106 | 136 |
| 2025 | 120 | 133 |
| 2026 | 78 | 102 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatuses and methods for facilitating an E911 call positioning enhancement system6 Oct 2026US 12,757,154 B2AT&T Intellectual Property I, L. P.
- Enhancement of normal call domain conflict resolution during emergency call6 Oct 2026US 12,757,273 B2MediaTek Singapore Pte. Ltd.
- Method for small data transmission in power saving state and related devices29 Sep 2026US 12,750,776 B2Purplevine Innovation Company Limited
- ATSC broadcast signal with encoded dispatch messages22 Sep 2026US 12,744,633 B2Device Solutions
- Communication device having cross-platform communication function, communication system having the same and communication method thereof22 Sep 2026US 12,745,213 B2Industrial Technology Research Institute
- Wireless network call blocking control8 Oct 2026US 2026/0313346 A1AT&T Intellectual Property I, L. P.
- System for identifying and switching to an ideal cellular network for a vehicle8 Oct 2026US 2026/0313750 A1GM Global Technology Operations LLC
- Communication device, control method, and storage medium1 Oct 2026US 2026/0304285 A1Honda Motor Co., Ltd.
- Enhanced wireless emergency alert response using temporary data access grant1 Oct 2026US 2026/0304557 A1T-Mobile USA, Inc.
- Ims pdn/pdu for emergency call1 Oct 2026US 2026/0304558 A1T-Mobile USA, Inc.
Most cited
By later US patents
- Location of a mobile station using a plurality of commercial wireless infrastructures1,007US 6,236,365 B1TracBeam LLC · 2001
- Cellular phone based automatic emergency vessel/vehicle location system706US 5,555,286 ATendler Technologies, Inc. · 1996
- Cellular terminal for providing public emergency call location information646US 5,479,482 AAT&T Corp. · 1995
- Cellular telephone advertising system620US 5,852,775 AEarthweb, Inc. · 1998
- Cellular telecommunication switching system for providing public emergency call location information602US 5,388,147 AAT&T Corp. · 1995