H04M 13/00
Party-line systems
Official title: Party-line systems (substation equipment H04M1/00; exchange equipment H04M3/00, H04M5/00; metering arrangements H04M15/36)
H04M13/00 (Party-line systems) appears on 11 US grants and 10 published applications in this corpus.
Search patents in H04M- Granted patents
- 11
- Published applications
- 10
- Assignees
- 11
- Inventors
- 26
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 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 | 1 | 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 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Encoding method and apparatus8 Oct 2024US 12,113,549 B2Huawei Technologies Co., Ltd.
- Multiple dwelling house interphone system8 Oct 2024US 12,113,927 B2Aiphone Co., Ltd.
- Method and device for flexible, selective SSDF relaying4 Jun 2019US 10,313,052 B2Orange
- Systems and methods for managing, analyzing and providing visualizations of multi-party dialogs2 Apr 2019US 10,250,741 B2Cogito Corporation
- Method for increasing multicast throughput in a single-hop multi-channel wireless network10 Jul 2018US 10,021,534 B2The United States of America as represented by the Secretary of the Navy
- Encoding Method and Apparatus28 Sep 2023US 2023/0308117 A1Huawei Technologies Co., Ltd.
- Multiple dwelling house interphone system15 Sep 2022US 2022/0294909 A1Aiphone Co., Ltd.
- Systems and methods for managing, analyzing and providing visualizations of multi-party dialogs20 Jun 2019US 2019/0191028 A1Cogito Corporation
- Method and device for flexible, selective ssdf relaying16 Nov 2017US 2017/0331584 A1Orange
- Systems and methods for managing, analyzing and providing visualizations of multi-party dialogs7 Sep 2017US 2017/0257481 A1Cogito Corporation
Most cited
By later US patents
- Method for decoding video data corrupted by channel noise23US 6,040,879 ASamsung Electronics Co., Ltd. · 2000
- Systems and methods for managing, analyzing, and providing visualizations of multi-party dialogs13US 9,661,130 B2Cogito Corporation · 2017
- Exclusion circuit in key telephone system9US 3,961,144 ANippon Electric Co., Ltd. · 1976
- Systems and methods for managing, analyzing and providing visualizations of multi-party dialogs4US 10,250,741 B2Cogito Corporation · 2019
- Seamless and resource efficient roaming for group call services on broadcast/multicast networks3US 9,681,419 B2QUALCOMM Incorporated · 2017