H04M 3/007
Access interface units for simultaneous transmission of speech and data
Official title: {Access interface units for simultaneous transmission of speech and data, e.g. digital subscriber line [DSL] access interface units (DSL access multiplexers H04Q11/0478, and H04L12/2856)}
H04M3/007 (Access interface units for simultaneous transmission of speech and data) appears on 199 US grants and 172 published applications in this corpus.
Search patents in H04M- Granted patents
- 199
- Published applications
- 172
- Assignees
- 117
- Inventors
- 410
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 11 | 14 |
| 2003 | 6 | 9 |
| 2004 | 10 | 16 |
| 2005 | 9 | 22 |
| 2006 | 25 | 14 |
| 2007 | 9 | 13 |
| 2008 | 11 | 9 |
| 2009 | 9 | 4 |
| 2010 | 8 | 5 |
| 2011 | 10 | 5 |
| 2012 | 8 | 6 |
| 2013 | 8 | 2 |
| 2014 | 9 | 6 |
| 2015 | 8 | 9 |
| 2016 | 5 | 14 |
| 2017 | 4 | 2 |
| 2018 | 9 | 3 |
| 2019 | 5 | 5 |
| 2020 | 6 | 2 |
| 2021 | 2 | 4 |
| 2022 | 4 | 3 |
| 2023 | 4 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Contact list reconciliation and permissioning9 Sep 2025US 12,412,582 B2Amazon Technologies, Inc.
- Method and apparatus for continuous access network monitoring and packet loss estimation20 Feb 2024US 11,909,617 B2Assia Spe, LLC
- Quad TVS protection circuit for an electronic DSL component23 Jan 2024US 11,882,235 B2ARRIS Enterprises LLC
- Contact list reconciliation and permissioning26 Dec 2023US 11,854,552 B2Amazon Technologies, Inc.
- System and method for multi-mode customer service interaction11 Jul 2023US 11,700,331 B2Verint Americas Inc.
- Event-based application interface transmission across mobile devices27 Mar 2025US 2025/0106323 A1Motorola Mobility LLC
- Contact list reconciliation and permissioning25 Apr 2024US 2024/0135932 A1Amazon Technologies, Inc.
- Quad tvs protection circuit for an electronic dsl component29 Jun 2023US 2023/0208965 A1ARRIS Enterprises LLC
- Devices and methods for multipath communications8 Dec 2022US 2022/0394124 A1Competitive Access Systems, Inc.
- Method and apparatus for continuous access network monitoring and packet loss estimation5 May 2022US 2022/0141112 A1Assia Spe, LLC
Most cited
By later US patents
- Digital loop carrier remote terminal having integrated digital subscriber plug-in line cards for multiplexing of telephone and broadband signals259US 6,480,487 B1Verizon Services Group · 2002
- Telecommunications system for providing both narrowband and broadband services to subscribers127US 6,314,102 B1Alcatel · 2001
- System and method for retrofitting existing building telecommunications infrastructures124US 6,483,902 B1Wayport, Inc. · 2002
- Robust system for transmitting and receiving map data100US 6,924,753 B2Zenith Electronics Corporation · 2005
- System for transporting ethernet frames over very high speed digital subscriber lines79US 6,680,940 B13Com Corporation · 2004