H04M 3/42195
Arrangements for calling back a calling subscriber
Official title: {Arrangements for calling back a calling subscriber (when the wanted subscriber ceases to be busy H04M3/48)}
H04M3/42195 (Arrangements for calling back a calling subscriber) appears on 605 US grants and 580 published applications in this corpus.
Search patents in H04M- Granted patents
- 605
- Published applications
- 580
- Assignees
- 304
- Inventors
- 1,026
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 9 |
| 2002 | 18 | 28 |
| 2003 | 10 | 19 |
| 2004 | 21 | 25 |
| 2005 | 19 | 28 |
| 2006 | 18 | 21 |
| 2007 | 17 | 30 |
| 2008 | 8 | 37 |
| 2009 | 14 | 29 |
| 2010 | 16 | 21 |
| 2011 | 19 | 24 |
| 2012 | 29 | 34 |
| 2013 | 49 | 31 |
| 2014 | 46 | 37 |
| 2015 | 45 | 34 |
| 2016 | 31 | 22 |
| 2017 | 30 | 30 |
| 2018 | 33 | 24 |
| 2019 | 32 | 20 |
| 2020 | 30 | 20 |
| 2021 | 23 | 7 |
| 2022 | 20 | 14 |
| 2023 | 22 | 19 |
| 2024 | 12 | 10 |
| 2025 | 7 | 2 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Identifying and processing, for priority, calls in data communications server8 Sep 2026US 12,732,579 B18x8, Inc.
- Automatic after call application download platform18 Aug 2026US 12,711,522 B2OnePIN, Inc.
- Device independent text captioned telephone service18 Aug 2026US 12,712,968 B2Ultratec, Inc.
- Method and system for efficient callback functionality using signal coverage data21 Apr 2026US 12,610,011 B2Atos Public Safety LLC
- System for controlling and screening incoming calls31 Mar 2026US 12,592,995 B2Griff and Associates, L.P.
- System and method of connecting a caller to a recipient based on the recipients status and relationship to the caller6 Aug 2026US 2026/0230557 A1
- System, method, and activation devices for triggering phone calls to mobile phones18 Jun 2026US 2026/0172456 A1
- Automatic after call survey and campaign-based customer feedback collection platform30 Apr 2026US 2026/0120143 A1OnePIN, Inc.
- Temporary Routing Rules for Emergency Call Telephone Numbers12 Mar 2026US 2026/0075139 A1Zoom Communications, Inc.
- Public safety answering point outage callback5 Mar 2026US 2026/0067397 A1Intrado Life & Safety, Inc.
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
- Method and system for establishing voice communications using a computer network253US 5,991,394 ARockwell International Corporation · 1999
- Solutions for voice over internet protocol (VoIP) 911 location services241US 7,260,186 B2TeleCommunication Systems, Inc. · 2007
- Interactive assistant for managing telephone communications206US 8,467,502 B2Verizon Data Services Inc. · 2013
- Methods and apparatus for originating voice calls199US 6,430,282 B1Nortel Networks Limited · 2002