H04M 3/545
With loop avoiding arrangements
Official title: {with loop avoiding arrangements}
H04M3/545 (With loop avoiding arrangements) appears on 40 US grants and 32 published applications in this corpus.
Search patents in H04M- Granted patents
- 40
- Published applications
- 32
- Assignees
- 35
- Inventors
- 79
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 4 |
| 2004 | 0 | 4 |
| 2005 | 1 | 3 |
| 2006 | 4 | 2 |
| 2007 | 1 | 1 |
| 2008 | 5 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 3 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 3 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for providing caller identification over a publicswitched telephone network22 Oct 2024US 12,126,767 B1Successful Cultures, Inc.
- Call routing using call forwarding options in telephony networks3 Jan 2023US 11,546,741 B2Phoneic, Inc.
- Call routing using call forwarding options in telephony networks17 Nov 2020US 10,841,755 B2Phoneic, Inc.
- Method for redirecting a call to at least one message deposit server11 Sep 2018US 10,075,594 B2Orange
- Avoiding formation of a call loop resulting from handling of a mobile terminated call in parallel with a location update in a wireless communication network17 Apr 2018US 9,949,110 B2Alcatel Lucent
- Call Routing Using Call Forwarding Options In Telephony Networks11 Feb 2021US 2021/0044943 A1Phoneic, Inc.
- Call Routing Using Call Forwarding Options In Telephony Networks3 Jan 2019US 2019/0007806 A1Phoneic, Inc.
- Avoiding formation of a call loop resulting from handling of a mobile terminated call in parallel with a location update in a wireless communication network5 Jan 2017US 2017/0006461 A1Alcatel Lucent
- Method for redirecting a call to at least one message deposit server28 Apr 2016US 2016/0119480 A1Orange
- Avoiding formation of a call loop resulting from handling of a mobile terminated call in parallel with a location update in a wireless communication network12 Feb 2015US 2015/0045039 A1Alcatel Lucent
Most cited
By later US patents
- Arrangement for call forwarding in a mobile services switching center97US 6,167,256 ANokia Telecommunications Oy · 2000
- Method of dynamic load sharing between systems with automatic telephone call distributors95US 5,987,117 AMitel Corporation · 1999
- Services node routing service60US 6,134,311 AAmeritech Corporation · 2000
- Apparatus and method for integrated voice gateway51US 7,280,530 B2Starvox Communications Inc. · 2007
- Routing control communication system between circuit switched network and internet50US 6,456,617 B1Kokusai Denshin Denwa Kabushiki Kaisha · 2002