H04M 15/36
Charging, billing or metering arrangements for party-lines
Official title: {Charging, billing or} metering arrangements for party-lines
H04M15/36 (Charging, billing or metering arrangements for party-lines) appears on 12 US grants and 5 published applications in this corpus.
Search patents in H04M- Granted patents
- 12
- Published applications
- 5
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 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 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Automated communications pool plan management robot20 May 2025US 12,309,315 B2Tangoe US, Inc.
- Automated communications pool plan management robot22 Dec 2020US 10,873,670 B1Tangoe US, Inc.
- Rule-based mobile dialing based on a change of event6 Oct 2015US 9,154,639 B2MobileDay, Inc.
- Special call fee charging method24 Aug 2004US 6,782,084 B2NEC Corporation
- Telecommunications subscriber line interface circuit and party identification facility29 Aug 1989US 4,862,495 AGEC Plessey Telecommunications Limited
- Automated Communications Pool Plan Management Robot24 Oct 2024US 2024/0357041 A1Tangoe US, Inc.
- Automated Communications Pool Plan Management Robot29 Apr 2021US 2021/0127015 A1Tangoe US, Inc.
- Least cost dialing4 Feb 2016US 2016/0036992 A1MobileDay, Inc.
- Rule-based mobile dialing based on a change of event6 Aug 2015US 2015/0222758 A1MobileDay, Inc.
- Special call fee charging method13 Sep 2001US 2001/0021647 A1NEC Corporation
Most cited
By later US patents
- Tip automatic number identification circuit12US 4,054,942 ALorain Products Corporation · 1977
- Automatic number identification device12US 4,079,205 ACook Electric Company · 1978
- Method and apparatus for automatically identifying an individual calling party on a multiparty telephone line10US 4,099,031 AProctor & Associates Company · 1978
- Identifier circuit for identifying party line subscribers10US 4,149,040 AItec, Inc. · 1979
- Automatic telephone number identification circuit8US 4,001,512 AProctor & Associates Company · 1977