H04Q 2213/13306
Ferro-electric elements
H04Q2213/13306 (Ferro-electric elements) appears on 17 US grants and 8 published applications in this corpus.
Search patents in H04Q- Granted patents
- 17
- Published applications
- 8
- Assignees
- 16
- Inventors
- 31
- Latest grant
- 8 Oct 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for the status analysis of a subscriber loop to support broadband telecommunication services8 Oct 2013US 8,553,845 B2TELECOM ITALIA S p.A.
- Universal ISDN/POTS splitter18 Jun 2013US 8,467,522 B2Alcatel Lucent
- Dynamic call characteristic control on a per call basis13 Dec 2011US 8,077,700 B2Oracle International Corporation
- Bidirectional buffered interface for crosspoint switch17 Feb 2009US 7,492,826 B2Intersil Americas Inc.
- Splitter circuit17 Jun 2008US 7,388,885 B2Infineon Technologies AG
- Method for the status analysis of a subscriber loop to support broadband telecommunication services24 Jun 2010US 2010/0158200 A1TELECOM ITALIA S p.A.
- Universal ISDN/POTS splitter15 Apr 2010US 2010/0091979 A1Alcatel Lucent
- Dynamic call characteristic control on a per call basis3 May 2007US 2007/0097876 A1Oracle International Corporation
- Bidirectional buffered interface for crosspoint switch19 Oct 2006US 2006/0233264 A1Intersil Americas Inc.
- Splitter circuit16 Dec 2004US 2004/0251986 A1Infineon Technologies AG
Most cited
By later US patents
- ISDN terminal adapter with teleconference provision79US 4,998,243 ARacal Data Communications Inc. · 1991
- Overvoltage and overcurrent protective circuit with high earth balance31US 5,142,429 ATelefonaktiebolaget L M Ericsson · 1992
- Passive splitter filter for digital subscriber line voice communication for complex impedance terminations30US 6,137,880 AWestell Technologies, Inc. · 2000
- Transmitter/receiver interface apparatus and method for a bi-directional transmission path21US 5,719,856 AMotorola, Inc. · 1998
- Switch matrix apparatus for satellite-switched TDMA system or the like15US 4,430,732 ANippon Electric Co., Ltd. · 1984