H04M 2242/04
Special services or facilities: for emergency applications
Official title: for emergency applications
H04M2242/04 (Special services or facilities: for emergency applications) appears on 1,168 US grants and 1,276 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,168
- Published applications
- 1,276
- Assignees
- 435
- Inventors
- 1,911
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 3 |
| 2002 | 8 | 52 |
| 2003 | 20 | 24 |
| 2004 | 32 | 35 |
| 2005 | 20 | 52 |
| 2006 | 37 | 59 |
| 2007 | 33 | 104 |
| 2008 | 22 | 69 |
| 2009 | 44 | 101 |
| 2010 | 36 | 69 |
| 2011 | 54 | 45 |
| 2012 | 103 | 55 |
| 2013 | 86 | 71 |
| 2014 | 76 | 50 |
| 2015 | 63 | 71 |
| 2016 | 80 | 52 |
| 2017 | 63 | 56 |
| 2018 | 55 | 50 |
| 2019 | 61 | 49 |
| 2020 | 56 | 44 |
| 2021 | 39 | 31 |
| 2022 | 35 | 37 |
| 2023 | 37 | 32 |
| 2024 | 28 | 25 |
| 2025 | 29 | 25 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device independent text captioned telephone service18 Aug 2026US 12,712,968 B2Ultratec, Inc.
- Z-axis information for voice over Internet Protocol (VoIP)4 Aug 2026US 12,701,191 B2CenturyLink Intellectual Property LLC
- Wireless local area network emergency call location update14 Jul 2026US 12,684,071 B2Dish Wireless L. L. C.
- Real-time crime center solution with dispatch directed digital media payloads7 Jul 2026US 12,676,932 B2Fusus, Inc.
- Automated operator interface16 Jun 2026US 12,657,965 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Gets call pin sharing via ims data channel13 Aug 2026US 2026/0238687 A1T-Mobile USA, Inc.
- Gets call pin sharing via ims data channel13 Aug 2026US 2026/0238721 A1T-Mobile USA, Inc.
- Car crash detection method, apparatus, and system, terminal device, and vehicle-mounted device23 Jul 2026US 2026/0214157 A1Huawei Technologies Co., Ltd.
- Device, system, and method for controlling a virtual reality device based on sensor data via a public safety answering point device18 Jun 2026US 2026/0172500 A1Motorola Solutions, Inc.
- Disaster plan implementation for a unified communications network18 Jun 2026US 2026/0172505 A1Nuwave Communications, Inc.
Most cited
By later US patents
- System for monitoring medical parameters397US 7,161,484 B2Micrel Medical Devices S.A. · 2007
- Location sharing and tracking using mobile phones or other wireless devices369US 7,353,034 B2X One, Inc. · 2008
- Automated emergency notification system336US 6,295,346 B1AT&T Corp. · 2001
- System and method for providing user-configured telephone service in a data network telephony system327US 6,650,901 B13Com Corporation · 2003
- Geographic routing of emergency service call center emergency calls315US 6,771,742 B2Intrado Corporation · 2004