H04M 5/18
Arrangements for signalling the class or number of called or calling line
Official title: Arrangements for signalling the class or number of called or calling line from one exchange to another
H04M5/18 (Arrangements for signalling the class or number of called or calling line) appears on 3 US grants and 2 published applications in this corpus.
Search patents in H04M- Granted patents
- 3
- Published applications
- 2
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 30 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Mobile device call management with multiple over-the-top calls30 Apr 2019US 10,277,749 B2Verizon Patent and Licensing Inc.
- Hybrid location18 Apr 2017US 9,628,521 B2TeleCommunication Systems, Inc.
- System and method for providing a caller identification to a called party for calls relayed through a call center14 Dec 2004US 6,831,974 B1Sprint Communications Co.L.P.
Most cited
By later US patents
- System and method for providing a caller identification to a called party for calls relayed through a call center104US 6,831,974 B1Sprint Communications Co.L.P. · 2004
- Hybrid location3US 9,628,521 B2TeleCommunication Systems, Inc. · 2017
- Mobile device call management with multiple over-the-top calls1US 10,277,749 B2Verizon Patent and Licensing Inc. · 2019