H04M 3/465
Arrangements for simultaneously calling a number of substations until an answer is
Official title: {Arrangements for simultaneously calling a number of substations until an answer is obtained}
H04M3/465 (Arrangements for simultaneously calling a number of substations until an answer is) appears on 398 US grants and 372 published applications in this corpus.
Search patents in H04M- Granted patents
- 398
- Published applications
- 372
- Assignees
- 190
- Inventors
- 751
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 1 |
| 2002 | 17 | 27 |
| 2003 | 10 | 23 |
| 2004 | 14 | 22 |
| 2005 | 7 | 22 |
| 2006 | 13 | 16 |
| 2007 | 20 | 34 |
| 2008 | 15 | 28 |
| 2009 | 8 | 23 |
| 2010 | 20 | 23 |
| 2011 | 14 | 16 |
| 2012 | 23 | 14 |
| 2013 | 24 | 18 |
| 2014 | 30 | 15 |
| 2015 | 13 | 9 |
| 2016 | 19 | 19 |
| 2017 | 22 | 16 |
| 2018 | 13 | 9 |
| 2019 | 15 | 5 |
| 2020 | 8 | 7 |
| 2021 | 7 | 5 |
| 2022 | 8 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 6 |
| 2025 | 4 | 8 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Incoming call reminder method and electronic device16 Jun 2026US 12,659,403 B2Honor Device Co., Ltd.
- Incoming call reminder system and method and electronic device utilizing vibration or ringing reminder31 Mar 2026US 12,592,992 B2Honor Device Co., Ltd.
- Hunt group messaging in a network9 Dec 2025US 12,495,278 B2Verizon Patent and Licensing Inc.
- Reception control apparatus, reception system, control method, and control program12 Aug 2025US 12,388,931 B2NEC Platforms, Ltd.
- Call system and call method8 Jan 2026US 2026/0012536 A1Honor Device Co., Ltd.
- Method for responding to incoming call, corresponding terminal, and communication system6 Nov 2025US 2025/0343857 A1Honor Device Co., Ltd.
- Systems and methods for emulating a shared line system in a multicell network19 Jun 2025US 2025/0203014 A1VTech Telecommunications Limited
- Coordination control method and apparatus, electronic device, and readable storage medium15 May 2025US 2025/0159075 A1Honor Device Co., Ltd.
- Systems and methods for establishing a call connection24 Apr 2025US 2025/0133166 A1RingCentral, Inc.
Most cited
By later US patents
- Automated and interactive behavioral and medical guidance system969US 5,596,994 A1997
- Method for mediating social and behavioral processes in medicine and business through an interactive telecommunications guidance system896US 5,722,418 A1998
- Method and apparatus for an automated and interactive behavioral guidance system372US 5,377,258 ANational Medical Research Council · 1994
- System and method for forwarding messages to a subscriber device301US 6,405,035 B1Telefonaktiebolaget LM Ericsson · 2002
- Method and apparatus for providing user controlled call management services292US 5,548,636 ANorthern Telecom Limited · 1996