H04M 3/60
Semi-automatic systems, i.e. in which the numerical selection of the outgoing line
Official title: Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
H04M3/60 (Semi-automatic systems, i.e. in which the numerical selection of the outgoing line) appears on 165 US grants and 64 published applications in this corpus.
Search patents in H04M- Granted patents
- 165
- Published applications
- 64
- Assignees
- 79
- Inventors
- 278
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 9 |
| 2003 | 7 | 6 |
| 2004 | 8 | 4 |
| 2005 | 0 | 11 |
| 2006 | 5 | 4 |
| 2007 | 2 | 5 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 3 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 4 |
| 2018 | 0 | 4 |
| 2019 | 1 | 3 |
| 2020 | 12 | 1 |
| 2021 | 4 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System, method, and apparatus for initiating outbound communications from a user device23 Jun 2026US 12,665,967 B2
- Automated call requests with status updates5 Aug 2025US 12,381,978 B2Google Inc.
- Methods for emergency response location (ERL) provision in a voice over internet protocol (VoIP) 911 server for non-direct inward dialing (DID) callers and related systems and computer program products25 Feb 2025US 12,238,245 B1Bandwidth Inc.
- Automated call requests with status updates19 Mar 2024US 11,936,810 B2Google Inc.
- Hardphone, method for implementing traffic operation, call center system, and storage medium27 Feb 2024US 11,917,106 B2Zte Corporation
- Automated call requests with status updates6 Jun 2024US 2024/0187521 A1Google Inc.
- System, Method, and Apparatus for Initiating Outbound Communications From a User Device11 Apr 2024US 2024/0121338 A1
- System, Method, and Apparatus for Initiating Outbound Communications from a User Device27 Jul 2023US 2023/0239398 A1
- System, Method, and Apparatus for Initiating Outbound Communications from a User Device13 Jul 2023US 2023/0224402 A1
- Automated call requests with status updates25 May 2023US 2023/0164268 A1Google Inc.
Most cited
By later US patents
- Interactive telephone operator terminal396US 5,210,789 AInternational Telecharge, Inc. · 1993
- Customer programmable automated integrated voice/data technique for communication systems281US 5,001,710 AAT&T Bell Laboratories · 1991
- Customer definable integrated voice/data call transfer technique222US 5,008,930 AAT&T Bell Laboratories · 1991
- Arrangement for automating call-center agent-schedule-notification and schedule-adherence functions208US 5,499,291 AAT&T Corp. · 1996
- Automated operator assistance calls with voice processing156US 4,797,910 AAmerican Telphone and Telegraph Company, AT&T Bell Laboratories · 1989