H04M 3/42204
Arrangements at the exchange for service or number selection by voice
Official title: {Arrangements at the exchange for service or number selection by voice (at the terminal H04M1/27)}
H04M3/42204 (Arrangements at the exchange for service or number selection by voice) appears on 342 US grants and 259 published applications in this corpus.
Search patents in H04M- Granted patents
- 342
- Published applications
- 259
- Assignees
- 141
- Inventors
- 520
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 16 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 2 |
| 2002 | 10 | 27 |
| 2003 | 12 | 14 |
| 2004 | 9 | 12 |
| 2005 | 18 | 25 |
| 2006 | 12 | 14 |
| 2007 | 13 | 20 |
| 2008 | 11 | 11 |
| 2009 | 12 | 13 |
| 2010 | 6 | 10 |
| 2011 | 14 | 7 |
| 2012 | 16 | 7 |
| 2013 | 21 | 10 |
| 2014 | 20 | 11 |
| 2015 | 10 | 15 |
| 2016 | 9 | 11 |
| 2017 | 7 | 4 |
| 2018 | 11 | 3 |
| 2019 | 10 | 3 |
| 2020 | 6 | 9 |
| 2021 | 11 | 6 |
| 2022 | 11 | 9 |
| 2023 | 10 | 3 |
| 2024 | 3 | 9 |
| 2025 | 8 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for proactive listening bot-plus person advice chaining3 Feb 2026US 12,542,133 B2Wells Fargo Bank, N. A.
- System and method for providing voice communication sessions between communication devices28 Oct 2025US 12,457,290 B2Echo SmartLab GmbH
- Voice command with emergency response30 Sep 2025US 12,432,542 B2Bank of America Corporation
- Voice-controlled communication requests and responses23 Sep 2025US 12,424,223 B2Amazon Technologies, Inc.
- Reusable multimodal application16 Sep 2025US 12,418,583 B2Gula Consulting Limited Liability Company
- Systems and methods for proactive listening bot-plus person advice chaining23 Apr 2026US 2026/0112369 A1Wells Fargo Bank, N. A.
- Voice-controlled communication requests and responses25 Dec 2025US 2025/0391409 A1Amazon Technologies, Inc.
- Automatic navigation of an interactive voice response (ivr) tree on behalf of human user(s)7 Aug 2025US 2025/0254239 A1Google Inc.
- Instant communications system having established communication channels between communication devices17 Jul 2025US 2025/0233903 A1
- Reducing telephone network traffic through utilization of pre-call information20 Jun 2024US 2024/0205331 A1Google Inc.
Most cited
By later US patents
- Voice browser for interactive services and methods thereof837US 6,269,336 B1Motorola, Inc. · 2001
- Network based knowledgeable assistant644US 5,652,789 AWildfire Communications, Inc. · 1997
- Conversational computing via conversational virtual machine511US 7,137,126 B1International Business Machines Corporation · 2006
- Conversational computing via conversational virtual machine479US 8,082,153 B2International Business Machines Corporation · 2011
- Voice interface and search for electronic devices including bluetooth headsets and remote systems471US 8,099,289 B2Sensory, Incorporated · 2012