H01C 8/04
Overvoltage protection resistors
Official title: Overvoltage protection resistors; Arresters
H01C8/04 (Overvoltage protection resistors) appears on 16 US grants and 7 published applications in this corpus.
Search patents in H01C- Granted patents
- 16
- Published applications
- 7
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Surge protection circuit, lightning protector and electronic device3 Oct 2023US 11,777,308 B2Anker Innovations Technology Co., Ltd.
- Externally gapped line arrester3 May 2022US 11,322,913 B2Hitachi Energy Switzerland AG
- Tensioning device for a surge arrester, production method and surge arrester25 Aug 2020US 10,755,838 B2Siemens Aktiengesellschaft
- Transmitting and receiving circuit30 Jun 2020US 10,700,512 B2Murata Manufacturing Co., Ltd.
- Overvoltage protection devices including wafer of varistor material3 Jun 2014US 8,743,525 B2Raycap Intellectual Property Ltd.
- Method and apparatus for limiting lightning overvoltage of direct-current power transmission line1 May 2025US 2025/0141218 A1Wuhan Nari Limited Liability Company of State Grid Electric Power Research Institute
- High-Energy Particulate Resistors6 Feb 2025US 2025/0046498 A1Helion Energy, Inc.
- Surge Protection Circuit, Lightning Protector and Electronic Device20 Jan 2022US 2022/0021204 A1Anker Innovations Technology Co., Ltd.
- Externally Gapped Line Arrester16 Apr 2020US 2020/0119528 A1ABB Power Grids Switzerland AG
- Transmitting and receiving circuit30 Aug 2018US 2018/0248360 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Surge arrester42US 5,721,664 ARaychem Corporation · 1998
- Overvoltage protection devices including wafer of varistor material29US 8,743,525 B2Raycap Intellectual Property Ltd. · 2014
- Surge arrester having controlled multiple current paths28US 5,594,613 ACooper Industries, Inc. · 1997
- Electrical surge arresters20US 6,396,676 B1Bowthrope Industries Limited · 2002
- Surge arrester having controlled multiple current paths9US 5,708,555 ACooper Industries, Inc. · 1998