H04Q 11/045
Selection or connection testing arrangements
Official title: {Selection or connection testing arrangements}
H04Q11/045 (Selection or connection testing arrangements) appears on 83 US grants and 26 published applications in this corpus.
Search patents in H04Q- Granted patents
- 83
- Published applications
- 26
- Assignees
- 56
- Inventors
- 175
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 5 |
| 2002 | 3 | 3 |
| 2003 | 4 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 6 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 4 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical network test instrument including testing for optical network unit and optical line terminal assignment19 May 2026US 12,634,007 B2Viavi Solutions Inc.
- Fault isolation constructs for POTS emulation service on an FTTx platform22 Jul 2014US 8,787,363 B2Alcatel Lucent
- Setting up a communication procedure between instances and a protocol tester using the method19 Mar 2013US 8,402,388 B2Tektronix, Inc.
- Recording in a distributed environment2 Oct 2012US 8,280,011 B2Verint Americas Inc.
- Line terminal for determining operational status of a U interface2 Aug 2011US 7,991,015 B2Hon Hai Preciasion Industry Co., Ltd.
- Optical network test instrument including testing for optical network unit and optical line terminal assignment23 May 2024US 2024/0171273 A1Viavi Solutions Inc.
- Data Cable Management System and Method22 Jun 2017US 2017/0180835 A1
- Line terminal for determining operational status of a u interface5 Mar 2009US 2009/0059963 A1Hon Hai Precision Industry Co., Ltd.
- Recording in a Distributed Environment12 Jun 2008US 2008/0137820 A1Witness Systems, Inc.
- System for measuring the effect of an ADSL splitter23 Nov 2006US 2006/0265191 A1Koninklijke KPN N. V.
Most cited
By later US patents
- Multi-lumen endoscopic catheter186US 5,788,681 AMedical Innovations Corporation · 1998
- Multi-lumen endoscopic catheter170US 5,843,028 AMedical Innovations Corporation · 1998
- System and method of testing open systems interconnection (OSI) layers in telecommunication networks134US 5,732,213 AEricsson Inc. · 1998
- Protocol analyzer pod for the ISDN U-interface119US 5,260,970 AHewlett-Packard Company · 1993
- Remote test access system for ISDN testing102US 5,027,343 ANorthern Telecom Limited · 1991