H04M 3/424
Arrangements for automatic redialling
Official title: Arrangements for automatic redialling (at the subscriber's set H04M1/27)
H04M3/424 (Arrangements for automatic redialling) appears on 135 US grants and 99 published applications in this corpus.
Search patents in H04M- Granted patents
- 135
- Published applications
- 99
- Assignees
- 90
- Inventors
- 263
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 0 | 3 |
| 2002 | 6 | 7 |
| 2003 | 4 | 11 |
| 2004 | 11 | 7 |
| 2005 | 3 | 6 |
| 2006 | 6 | 4 |
| 2007 | 2 | 6 |
| 2008 | 3 | 4 |
| 2009 | 3 | 3 |
| 2010 | 3 | 2 |
| 2011 | 7 | 5 |
| 2012 | 2 | 3 |
| 2013 | 5 | 6 |
| 2014 | 4 | 6 |
| 2015 | 10 | 3 |
| 2016 | 7 | 9 |
| 2017 | 8 | 3 |
| 2018 | 5 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 4 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Managing brand identity, brand security, and brand reputation across communication networks4 Nov 2025US 12,464,073 B1FoneTech Connect, LLC
- Message communication device and message communication program2 Sep 2025US 12,408,026 B2Accrete, Inc.
- Method and system for detecting interruption of communications and for automatically re-establishing the communications11 Oct 2022US 11,470,673 B2Orange
- System and method for providing voice communication sessions between communication devices5 Jul 2022US 11,381,681 B2Echo SmartLab GmbH
- Message back system21 Jun 2022US 11,368,577 B1
- Message communication device and message communication program20 Nov 2025US 2025/0358609 A1Accrete, Inc.
- Emergency Call Capable System21 Mar 2024US 2024/0096201 A1Essence Smartcare Ltd.
- Message communication device and message communication program27 Oct 2022US 2022/0345880 A1Accrete, Inc.
- System and method for providing voice communication sessions between communication devices14 Apr 2022US 2022/0116499 A1Echo SmartLab GmbH
- Method and system for detecting interruption of communications and for automatically re-establishing the communications3 Jun 2021US 2021/0168891 A1Orange
Most cited
By later US patents
- Systems and methods for managing multi-tenant callback services157US 9,031,223 B2Echopass Corporation · 2015
- Method and system for providing directory assistance services during attempt to complete customer or after call termination via an alphanumeric page92US 5,873,032 AMetro One Telecommunications, Inc. · 1999
- Method of providing directional assistance to a mobile telephone subscriber85US 6,580,904 B2Metro One Telecommunications, Inc. · 2003
- Method and apparatus for telephone call reorigination83US 5,187,740 AMCI Communications Corporation · 1993
- Method for providing directory assistance services via an alphanumeric page75US 6,473,612 B1Metro One Telecommunications, Inc. · 2002