H04M 15/14
According to class of calling party
Official title: according to class of calling party
H04M15/14 (According to class of calling party) appears on 5 US grants and 7 published applications in this corpus.
Search patents in H04M- Granted patents
- 5
- Published applications
- 7
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 10 Nov 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year.
Recent patents
- Systems and methods to convert a call generated from an advertisement10 Nov 2015US 9,183,559 B2Yellowpages.Com LLC
- Methods and apparatus for flexible communication device usage attribution25 Sep 2007US 7,274,925 B2International Business Machines Corporation
- Special call fee charging method24 Aug 2004US 6,782,084 B2NEC Corporation
- System and method for affecting inmate conduct with good behavior discount telephone rates21 Oct 2003US 6,636,591 B1Evercom Systems, Inc.
- Multiple class of service determination for digital cellular telephones8 Oct 2002US 6,463,274 B1Denso Corporation
- Selectively adding a third party to a collect call12 May 2011US 2011/0110506 A1
- Charging method in poc service15 Jan 2009US 2009/0017787 A1Huawei Technologies Co., Ltd.
- Systems and methods to convert a call generated from an advertisement12 Jul 2007US 2007/0162334 A1Utbk, Inc.
- Technique for identifying status of users and status of subscribers' accounts in a communications system29 Jun 2006US 2006/0141982 A1
- Methods and apparatus for flexible communication device usage attribution4 May 2006US 2006/0094398 A1International Business Machines Corporation
Most cited
By later US patents
- System and method for affecting inmate conduct with good behavior discount telephone rates62US 6,636,591 B1Evercom Systems, Inc. · 2003
- Multiple class of service determination for digital cellular telephones33US 6,463,274 B1Denso Corporation · 2002
- Methods and apparatus for flexible communication device usage attribution23US 7,274,925 B2International Business Machines Corporation · 2007
- Systems and methods to convert a call generated from an advertisement6US 9,183,559 B2Yellowpages.Com LLC · 2015
- Special call fee charging method2US 6,782,084 B2NEC Corporation · 2004