H01T 4/08
Structurally associated with protected apparatus
Official title: structurally associated with protected apparatus (with switches H01H9/14; with fuses H01H85/44)
H01T4/08 (Structurally associated with protected apparatus) appears on 238 US grants and 144 published applications in this corpus.
Search patents in H01T- Granted patents
- 238
- Published applications
- 144
- Assignees
- 182
- Inventors
- 534
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 0 |
| 2002 | 9 | 7 |
| 2003 | 3 | 4 |
| 2004 | 6 | 8 |
| 2005 | 5 | 2 |
| 2006 | 3 | 7 |
| 2007 | 5 | 5 |
| 2008 | 4 | 5 |
| 2009 | 4 | 6 |
| 2010 | 2 | 12 |
| 2011 | 6 | 8 |
| 2012 | 5 | 10 |
| 2013 | 10 | 11 |
| 2014 | 10 | 6 |
| 2015 | 5 | 9 |
| 2016 | 5 | 5 |
| 2017 | 6 | 5 |
| 2018 | 3 | 7 |
| 2019 | 5 | 7 |
| 2020 | 5 | 5 |
| 2021 | 8 | 3 |
| 2022 | 4 | 0 |
| 2023 | 1 | 4 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spark gaps with high current capability for electrical overstress detection and protection25 Aug 2026US 12,719,242 B2Analog Devices International Unlimited Company
- Printed circuit spark gap with enhanced spark over voltage to protect an electronic device connected to the spark gap11 Aug 2026US 12,706,445 B2Ppc Broadband, Inc.
- Method and apparatus for integrating spark gaps into semiconductor packaging1 Jul 2025US 12,348,008 B2
- Fuse assemblies and protective circuits and methods including same1 Oct 2024US 12,106,922 B2Ripd IP Development Ltd
- Flameproof surge protector30 Apr 2024US 11,973,324 B2Eaton Intelligent Power Limited
- Sensor element with overvoltage protection23 Apr 2026US 2026/0110579 A1Innovative Sensor Technology IST AG
- Multi-structure connector including spark gap10 Apr 2025US 2025/0118911 A1Samsung SDI.Co., Ltd.
- Spark gaps with multiple trigger voltages for electrical overstress detection and protection23 Jan 2025US 2025/0030237 A1Analog Devices International Unlimited Company
- Array of spark gaps for electrical overstress detection and protection5 Dec 2024US 2024/0405517 A1Analog Devices International Unlimited Company
- Spark gaps with high current capability for electrical overstress detection and protection5 Dec 2024US 2024/0405518 A1Analog Devices International Unlimited Company
Most cited
By later US patents
- Apparatus for high surge voltage protection125US 7,161,785 B2John Mezzalingua Associates, Inc. · 2007
- High voltage surge protection element for use with CATV coaxial cable connectors121US 7,102,868 B2John Mezzalingua Associates, Inc. · 2006
- Surface-mountable device for protection against electrostatic damage to electronic components108US 6,191,928 B1Littelfuse, Inc. · 2001
- High voltage protection apparatus70US 4,161,012 AJoslyn Mfg. and Supply Co. · 1979
- Electrostatic protective device and method for fabricating same69US 5,915,757 AHitachi Chemical Company, Ltd. · 1999