H04M 3/10
Providing fault- or trouble-signals
H04M3/10 (Providing fault- or trouble-signals) appears on 147 US grants and 87 published applications in this corpus.
Search patents in H04M- Granted patents
- 147
- Published applications
- 87
- Assignees
- 89
- Inventors
- 294
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 5 |
| 2002 | 11 | 8 |
| 2003 | 12 | 7 |
| 2004 | 8 | 6 |
| 2005 | 5 | 9 |
| 2006 | 10 | 9 |
| 2007 | 2 | 6 |
| 2008 | 3 | 3 |
| 2009 | 7 | 2 |
| 2010 | 3 | 1 |
| 2011 | 2 | 2 |
| 2012 | 10 | 3 |
| 2013 | 3 | 5 |
| 2014 | 6 | 2 |
| 2015 | 3 | 5 |
| 2016 | 3 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 0 |
| 2020 | 0 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for managing an unallocated telephone number in a communication network, method for processing a request for allocating a telephone number, corresponding devices, item of communication equipment, system and computer programs6 May 2025US 12,294,670 B2Orange
- Proactive telephone number monitoring based on answer seizure ratio9 Apr 2024US 11,956,381 B1Avoxi, Inc.
- Information processing system and information processing method3 Oct 2023US 11,778,060 B2Sony Corporation
- Failure information announcement device and failure information announcement method5 Sep 2023US 11,749,088 B2Nippon Telegraph and Telephone Corporation
- Apparatus, system, and method of establishing a communication link11 Jan 2022US 11,222,523 B2Carrier Corporation
- System and method for timely detection and reporting telecom cable and other telecom equipement theft28 May 2026US 2026/0148625 A1
- System and method for tracing network issues26 Feb 2026US 2026/0058861 A1Jio Platforms Limited
- Method for managing an unallocated telephone number in a communication network, method for processing a request for allocating a telephone number, corresponding devices, item of communication equipment, system and computer programs8 Jun 2023US 2023/0179696 A1Orange
- Failure informaton announcement device and failure information announcement method21 Apr 2022US 2022/0122443 A1Nippon Telegraph and Telephone Corporation
- Information processing system and information processing method22 Jul 2021US 2021/0227036 A1Sony Corporation
Most cited
By later US patents
- Apparatus for supervising an automatic call distribution telephone system355US 5,465,286 AExecutone Information Systems, Inc. · 1995
- System for automated workflow in a network management and operations system321US 6,445,774 B1MCI Communications Corporation · 2002
- Method and system for providing redundancy in security systems served by a public switched telephone network252US 6,067,346 ALucent Technologies Inc. · 2000
- Wireless backup telephone device216US 6,411,802 B1Bellsouth Intellectual Property Management Corporation · 2002
- Method and system for providing alarm reporting in a managed network services environment215US 7,525,422 B2Verizon Business Global LLC · 2009