Y10S 379/911
Distinctive ringing
Y10S379/911 (Distinctive ringing) appears on 46 US grants and 9 published applications in this corpus.
Search patents in Y10S- Granted patents
- 46
- Published applications
- 9
- Assignees
- 27
- Inventors
- 81
- Latest grant
- 8 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ringback tone bookmark request by calling party8 May 2012US 8,175,252 B2Alcatel Lucent
- Ringback tone service opt-in and opt-out requests for use by calling party6 Dec 2011US 8,073,128 B2Alcatel Lucent
- Ringbacks based on extrinsic information27 Sep 2011US 8,027,455 B2Avaya Inc.
- Alert signal generation11 May 2010US 7,715,883 B2Nokia Corporation
- System and method for identifying redirected calls29 Sep 2009US 7,596,216 B2AT&T Intellectual Property I, L. P.
- System and Method for Identifying Redirected Calls10 Dec 2009US 2009/0304171 A1AT&T Intellectual Property I, L. P.
- System and Method for Identifying Redirected Calls29 Jan 2009US 2009/0028319 A1AT&T Intellectual Property I, L. P.
- System and method for identifying redirected calls20 Sep 2007US 2007/0217592 A1SBC Knowledge Ventures, L. P.
- Ringback tone service opt-in and opt-out requests for use by calling party4 Jan 2007US 2007/0003046 A1Alcatel Lucent
- Ringback tone bookmark request by calling party4 Jan 2007US 2007/0003047 A1Alcatel Lucent
Most cited
By later US patents
- Method and apparatus for screening telephone calls329US 4,277,649 ABell Telephone Laboratories, Incorporated · 1981
- Telecommunications systems226US 4,578,540 AAT&T Bell Laboratories · 1986
- Remote access telephone control system221US 4,893,335 AFuller Research and Development Company · 1990
- Multichannel interactive telephone answering apparatus189US 4,591,664 A1986
- Call announcement arrangement156US 4,899,358 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1990