H04M 3/527
Centralised call answering arrangements not requiring operator intervention
H04M3/527 (Centralised call answering arrangements not requiring operator intervention) appears on 613 US grants and 469 published applications in this corpus.
Search patents in H04M- Granted patents
- 613
- Published applications
- 469
- Assignees
- 291
- Inventors
- 1,159
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 18 | 0 |
| 1999 | 22 | 0 |
| 2000 | 21 | 0 |
| 2001 | 13 | 4 |
| 2002 | 10 | 12 |
| 2003 | 7 | 12 |
| 2004 | 10 | 18 |
| 2005 | 4 | 18 |
| 2006 | 9 | 15 |
| 2007 | 11 | 16 |
| 2008 | 11 | 16 |
| 2009 | 9 | 9 |
| 2010 | 9 | 14 |
| 2011 | 16 | 7 |
| 2012 | 14 | 3 |
| 2013 | 12 | 9 |
| 2014 | 11 | 7 |
| 2015 | 6 | 8 |
| 2016 | 17 | 16 |
| 2017 | 24 | 33 |
| 2018 | 29 | 20 |
| 2019 | 26 | 20 |
| 2020 | 27 | 27 |
| 2021 | 30 | 48 |
| 2022 | 33 | 28 |
| 2023 | 28 | 41 |
| 2024 | 28 | 24 |
| 2025 | 35 | 22 |
| 2026 | 15 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for motivation-based content optimization with dynamic interaction routing25 Aug 2026US 12,718,198 B2Taptext LLC
- Intelligent agentic methods and systems for handling an emergency call18 Aug 2026US 12,712,973 B1Saudi Technology and Security Comprehensive Control Co. Ltd.
- Automated support center call topic identification14 Jul 2026US 12,682,893 B1Charter Communications Operating, LLC
- System and method for electronic notification in institutional communications30 Jun 2026US 12,671,766 B2Value-Added Communications, Inc.
- System and methods for using enhanced QR codes in a call to action23 Jun 2026US 12,664,517 B2Taptext LLC
- System and Methods for Using Enhanced QR Codes in a Call to Action1 Oct 2026US 2026/0300918 A1Taptext LLC
- Event cluster17 Sep 2026US 2026/0281242 A1Intrado Life & Safety, Inc.
- Automating telephone call(s) on behalf of user(s)13 Aug 2026US 2026/0238723 A1Google Inc.
- 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
- Real-Time Fraud and AI Voice Detection and Warning30 Jul 2026US 2026/0222486 A1Hiya, Inc.
Most cited
By later US patents
- Call management system with call control from user workstation computers734US 5,946,386 AXantel Corporation · 1999
- Method and system for managing telecommunications such as telephone calls730US 5,327,486 ABell Communications Research, Inc. · 1994
- Personal virtual assistant713US 6,757,362 B1Avaya Technology Corp. · 2004
- Network based knowledgeable assistant644US 5,652,789 AWildfire Communications, Inc. · 1997
- Integrated services platform for telephone communication system555US 5,193,110 ABoston Technology, Inc. · 1993