H04Q 2213/37
Operator
H04Q2213/37 (Operator) appears on 4 US grants and 3 published applications in this corpus.
Search patents in H04Q- Granted patents
- 4
- Published applications
- 3
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 21 Jan 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 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 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Next generation emergency call routing over diverse networks21 Jan 2020US 10,542,146 B2
- ISDN system which processes disconnect message after call termination15 Oct 1996US 5,566,182 AU. S. Philips Corporation
- Semi-automated operator assistance telecommunication calls3 Sep 1991US 5,046,183 AAT&T Bell Laboratories
- Time and charges information delivery for operator assistance telecommunication calls27 Aug 1991US 5,043,983 AAT&T Bell Laboratories
Most cited
By later US patents
- Semi-automated operator assistance telecommunication calls44US 5,046,183 AAT&T Bell Laboratories · 1991
- Time and charges information delivery for operator assistance telecommunication calls28US 5,043,983 AAT&T Bell Laboratories · 1991
- ISDN system which processes disconnect message after call termination6US 5,566,182 AU. S. Philips Corporation · 1996
- Next generation emergency call routing over diverse networks1US 10,542,146 B22020