H04M 3/06
The calling signal being supplied from the subscriber's line circuit
Official title: the calling signal being supplied from the subscriber's line circuit
H04M3/06 (The calling signal being supplied from the subscriber's line circuit) appears on 19 US grants and 18 published applications in this corpus.
Search patents in H04M- Granted patents
- 19
- Published applications
- 18
- Assignees
- 15
- Inventors
- 45
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Systems and methods for handling communications during user operation of a motor vehicle18 Mar 2025US 12,256,300 B2State Farm Mutual Automobile Insurance Company
- Systems and methods for handling communications during user operation of a motor vehicle26 Mar 2024US 11,943,691 B2State Farm Mutual Automobile Insurance Company
- Systems and methods for handling communications during user operation of a motor vehicle13 Jun 2023US 11,678,162 B1State Farm Mutual Automobile Insurance Company
- AC/DC phone line detector1 Mar 2022US 11,265,417 B1West Corporation
- Systems and methods for handling communications during user operation of a motor vehicle9 Mar 2021US 10,945,111 B1State Farm Mutual Automobile Insurance Company
- Systems and methods for handling communications during user operation of a motor vehicle26 Jun 2025US 2025/0211957 A1State Farm Mutual Automobile Insurance Company
- Systems and methods for handling communications during user operation of a motor vehicle4 Jul 2024US 2024/0224015 A1State Farm Mutual Automobile Insurance Company
- Systems and methods for handling communications during user operation of a motor vehicle24 Aug 2023US 2023/0269569 A1State Farm Mutual Automobile Insurance Company
- Method and apparatus for processing telephone calls in conjunction with call blocking service1 Oct 2020US 2020/0314227 A1Call Silencer LLC
- Systems and methods for handling communications during user operation of a motor vehicle9 Nov 2017US 2017/0324863 A1State Farm Mutual Automobile Insurance Company
Most cited
By later US patents
- Methods and devices for distributing ringtone56US 8,548,418 B1Sprint Spectrum L. P. · 2013
- Telephone voice-ringing using a transmitted voice announcement55US 6,519,326 B1AT&T Corp. · 2003
- Urgency of call indication to called party through distinctive notification45US 6,650,746 B1Nortel Networks Limited · 2003
- Personalization content sharing system and method7US 8,041,401 B2Vringo, Inc. · 2011
- Systems and methods for handling communications during user operation of a motor vehicle7US 9,749,470 B1State Farm Mutual Automobile Insurance Company · 2017