H04M 15/26
With a meter or performing charging or billing at the exchange controlled
Official title: with a meter {or performing charging or billing} at the exchange controlled by an operator
H04M15/26 (With a meter or performing charging or billing at the exchange controlled) appears on 9 US grants and 7 published applications in this corpus.
Search patents in H04M- Granted patents
- 9
- Published applications
- 7
- Assignees
- 10
- Inventors
- 23
- Latest grant
- 10 Nov 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods to convert a call generated from an advertisement10 Nov 2015US 9,183,559 B2Yellowpages.Com LLC
- Carrier network determination for providing real-time customer feedback of call information27 Jan 2015US 8,942,670 B1Cox Communications, Inc.
- Dynamic application charging identification16 Sep 2014US 8,839,365 B2Telefonaktiebolaget'l M Ericsson (Publ)
- Carrier network determination for providing real-time customer feedback of call information11 Feb 2014US 8,649,762 B1Cox Communications, Inc.
- Communication control system and communication control method11 Aug 2009US 7,573,991 B2International Communication Sales Co., Ltd.
- Telephone communication system, telephone communication method, setting server and setting program18 May 2023US 2023/0156119 A1Nippon Telegraph and Telephone Corporation
- Dynamic application charging identification11 Oct 2012US 2012/0260312 A1Telefonaktiebolaget'l M Ericsson (Publ)
- Method for Charge Display for Sip Connections on Several Terminals14 Aug 2008US 2008/0194230 A1Nokia Siemens Networks Oy
- Systems and methods to convert a call generated from an advertisement12 Jul 2007US 2007/0162334 A1Utbk, Inc.
- Method for notifying a primary wireless unit of group calling plan activity5 Jan 2006US 2006/0003748 A1Lucent Technologies Inc.
Most cited
By later US patents
- Method for notifying a primary wireless unit of group calling plan activity102US 7,412,228 B2Lucent Technologies Inc. · 2008
- System for monitoring dialled telephone numbers31US 4,013,839 ATelstop S.A. · 1977
- Communication control system and communication control method7US 6,829,339 B12004
- Systems and methods to convert a call generated from an advertisement6US 9,183,559 B2Yellowpages.Com LLC · 2015
- Apparatus for use in a telephone exchange including an operator cordboard position5US 4,351,984 ANorthern Telecom Limited · 1982