H04M 2201/80
Line protection circuits such as current or overvoltage protection circuits
Official title: line protection circuits such as current or overvoltage protection circuits
H04M2201/80 (Line protection circuits such as current or overvoltage protection circuits) appears on 20 US grants and 15 published applications in this corpus.
Search patents in H04M- Granted patents
- 20
- Published applications
- 15
- Assignees
- 21
- Inventors
- 43
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 4 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Quad TVS protection circuit for an electronic DSL component23 Jan 2024US 11,882,235 B2ARRIS Enterprises LLC
- Quad TVS protection circuit for an electronic DSL component18 Apr 2023US 11,632,458 B2ARRIS Enterprises LLC
- Over-current protection apparatus and method27 Oct 2020US 10,819,101 B2Microsemi Corporation
- Image forming apparatus to which noise counter-measure is applied28 May 2019US 10,306,054 B2Canon Kabushiki Kaisha
- Protection of a telephone line against overvoltages4 Dec 2018US 10,148,810 B2STMicroelectronics (Tours) SAS
- Surge protector configured to protect ethernet equipment from surges via a wall outlet9 May 2024US 2024/0154369 A1Ppc Broadband, Inc.
- Quad tvs protection circuit for an electronic dsl component29 Jun 2023US 2023/0208965 A1ARRIS Enterprises LLC
- Quad tvs protection circuit for an electronic dsl component24 Mar 2022US 2022/0094779 A1ARRIS Enterprises LLC
- Over-current protection apparatus and method23 Aug 2018US 2018/0241203 A1Microsemi Corporation
- Image forming apparatus to which noise counter-measure is applied12 Apr 2018US 2018/0103142 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Current limiter32US 6,108,183 AMarconi Communications, Inc. · 2000
- Overvoltage protection scheme for subscriber loops and method of performing same20US 5,392,349 AAT&T Corp. · 1995
- Protection of active telephone line interface circuits18US 5,539,820 ANorthern Telecom Limited · 1996
- Telecommunications T1 carrier overvoltage and fiber to curb power protector12US 5,490,215 AOneac Corporation · 1996
- Voltage and protection arrangement for a telephone subscriber line interface circuit12US 6,885,745 B1Nortel Networks Limited · 2005