H04M 3/48
Arrangements for recalling a calling subscriber when the wanted subscriber ceases to
Official title: Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
H04M3/48 (Arrangements for recalling a calling subscriber when the wanted subscriber ceases to) appears on 457 US grants and 256 published applications in this corpus.
Search patents in H04M- Granted patents
- 457
- Published applications
- 256
- Assignees
- 216
- Inventors
- 834
- Latest grant
- 3 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 17 | 0 |
| 1997 | 13 | 0 |
| 1998 | 22 | 0 |
| 1999 | 35 | 0 |
| 2000 | 28 | 0 |
| 2001 | 29 | 9 |
| 2002 | 24 | 31 |
| 2003 | 20 | 22 |
| 2004 | 29 | 22 |
| 2005 | 14 | 23 |
| 2006 | 25 | 19 |
| 2007 | 16 | 18 |
| 2008 | 8 | 14 |
| 2009 | 12 | 10 |
| 2010 | 16 | 9 |
| 2011 | 10 | 5 |
| 2012 | 13 | 14 |
| 2013 | 16 | 8 |
| 2014 | 15 | 14 |
| 2015 | 13 | 11 |
| 2016 | 6 | 5 |
| 2017 | 6 | 3 |
| 2018 | 3 | 8 |
| 2019 | 3 | 0 |
| 2020 | 9 | 4 |
| 2021 | 2 | 1 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for establishing a telecommunication connection3 Jan 2023US 11,546,467 B2Unify GmbH & Co.KG
- Mechanisms for scheduling outbound calls from call centers27 Dec 2022US 11,539,837 B1United Services Automobile Association (USAA)
- Status prompt multimedia playing method and system, and apparatus22 Nov 2022US 11,509,767 B2Huawei Technologies Co., Ltd.
- Mechanisms for scheduling outbound calls from call centers21 Jun 2022US 11,368,584 B1United Services Automobile Association (USAA)
- Method for managing a failure to establish a communication between a first and a second terminal6 Jul 2021US 11,057,517 B2Orange
- Best Time to Call in Automatic Dialing Operations1 Oct 2026US 2026/0303723 A1
- Best Time to Call in Automatic Dialing Operations5 Feb 2026US 2026/0039747 A1
- System and method for managing and responding to incoming calls17 Apr 2025US 2025/0126201 A1
- Dynamic presentation of audio transcription for electronic voice messaging5 Dec 2024US 2024/0406316 A1Apple Inc.
- Message-based notification that a called party is busy9 Nov 2023US 2023/0362302 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- System for coordinating communications via customer contact channel changing system using call centre for setting up the call between customer and an available help agent953US 5,884,032 AThe New Brunswick Telephone Company, Limited · 1999
- Computer-based classified ad system and method759US 5,283,731 AEC Corporation · 1994
- System, method and article of manufacture for a call back architecture in a hybrid network with support for internet telephony559US 6,731,625 B1MCI Communications Corporation · 2004
- Method of providing person locator service488US 4,313,035 ABell Telephone Laboratories, Incorporated · 1982
- System and method for implementing and accessing call forwarding services359US 6,631,186 B1SBC Technology Resources, Inc. · 2003