H04M 1/745
Protection devices or circuits for voltages surges on the line
Official title: {Protection devices or circuits for voltages surges on the line}
H04M1/745 (Protection devices or circuits for voltages surges on the line) appears on 124 US grants and 60 published applications in this corpus.
Search patents in H04M- Granted patents
- 124
- Published applications
- 60
- Assignees
- 90
- Inventors
- 224
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 2 |
| 2003 | 5 | 4 |
| 2004 | 5 | 1 |
| 2005 | 2 | 3 |
| 2006 | 5 | 4 |
| 2007 | 5 | 6 |
| 2008 | 2 | 3 |
| 2009 | 1 | 4 |
| 2010 | 4 | 5 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 6 | 2 |
| 2014 | 2 | 3 |
| 2015 | 5 | 1 |
| 2016 | 0 | 4 |
| 2017 | 3 | 4 |
| 2018 | 3 | 5 |
| 2019 | 4 | 1 |
| 2020 | 4 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cable pair stabilizer unit and method and system for generating sealing current13 Apr 2021US 10,979,555 B2Enginuity Communications Corporation
- Access node and method12 May 2020US 10,652,401 B2Boyce Technologies Inc.
- Access node and method14 Apr 2020US 10,623,585 B2Boyce Technologies Inc.
- Access node and method14 Apr 2020US 10,623,586 B2Boyce Technologies Inc.
- Access node and method31 Mar 2020US 10,609,226 B2Boyce Technologies Inc.
- Cable Pair Stabilizer Unit and Method and System for Generating Sealing Current23 Sep 2021US 2021/0297526 A1
- Cable Pair Stabilizer Unit and Method and System for Generating Sealing Current12 Dec 2019US 2019/0379784 A1Enginuity Communications Corporation
- Access node and method20 Dec 2018US 2018/0367678 A1Boyce Technologies Inc.
- Access node and method20 Dec 2018US 2018/0367679 A1Boyce Technologies Inc.
- Access node and method13 Dec 2018US 2018/0359370 A1Boyce Technologies Inc.
Most cited
By later US patents
- Drop cable with fiber optic connector and methods for fabricating same234US 7,463,803 B2Corning Cable Systems LLC · 2008
- Telephone isolation device86US 5,500,895 A1996
- Telephone line coupler75US 5,751,803 AShmuel Hershkovit · 1998
- Telephone line overvoltage protection method and apparatus74US 5,357,568 AOneac Corporation · 1994
- Wireless telephone connection surge suppressor52US 6,055,435 APhonex Corporation · 2000