H04B 2203/5437
Wired telephone
H04B2203/5437 (Wired telephone) appears on 170 US grants and 108 published applications in this corpus.
Search patents in H04B- Granted patents
- 170
- Published applications
- 108
- Assignees
- 98
- Inventors
- 248
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 5 | 7 |
| 2002 | 8 | 9 |
| 2003 | 4 | 9 |
| 2004 | 10 | 11 |
| 2005 | 8 | 12 |
| 2006 | 14 | 19 |
| 2007 | 7 | 14 |
| 2008 | 7 | 6 |
| 2009 | 2 | 0 |
| 2010 | 12 | 3 |
| 2011 | 6 | 4 |
| 2012 | 7 | 3 |
| 2013 | 3 | 6 |
| 2014 | 4 | 3 |
| 2015 | 3 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual-band communication device and method for use therewith24 Mar 2020US 10,601,494 B2AT&T Intellectual Property I, L. P.
- Power carrier signal coupling circuit and communication system21 Aug 2018US 10,056,781 B2Sungrow Power Supply Co., Ltd.
- Direct current power line communication system and direct current power line communication apparatus26 Apr 2016US 9,325,376 B2Panasonic Intellectual Property Management Co., Ltd.
- Multi-wideband communications over multiple mediums19 May 2015US 9,036,649 B2Broadcom Corporation
- Communication apparatus, communication method and integrated circuit5 May 2015US 9,025,643 B2Panasonic Intellectual Property Management Co., Ltd.
- Dual-band communication device and method for use therewith14 Jun 2018US 2018/0167130 A1AT&T Intellectual Property I, L. P.
- Power carrier signal coupling circuit and communication system1 Mar 2018US 2018/0062429 A1Sungrow Power Supply Co., Ltd.
- Wired communications connector included in a power device17 Jul 2014US 2014/0197699 A1
- Modular outlet19 Jun 2014US 2014/0170902 A1Mosaid Technologies Incorporated
- Methods and systems for vehicle broadband connection to a data network13 Mar 2014US 2014/0074321 A1The Boeing Company
Most cited
By later US patents
- Patient care system886US 4,835,372 AClinCom Incorporated · 1989
- Patient identification and verification system and method636US 4,857,716 ACliniCom Incorporated · 1989
- Power transfer apparatus for concurrently transmitting data and power over data wires575US 5,994,998 A3Com Corporation · 1999
- Highly reliable power line communications system552US 6,441,723 B1General Electric Company · 2002
- Repeater for transmission system for controlling and determining the status of electrical devices from remote locations513US 5,848,054 ALutron Electronics Co., Inc. · 1998