H01C 7/102
Varistor boundary
Official title: Varistor boundary, e.g. surface layers (H01C7/12 takes precedence)
H01C7/102 (Varistor boundary) appears on 238 US grants and 199 published applications in this corpus.
Search patents in H01C- Granted patents
- 238
- Published applications
- 199
- Assignees
- 97
- Inventors
- 536
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 6 |
| 2003 | 4 | 4 |
| 2004 | 3 | 6 |
| 2005 | 2 | 4 |
| 2006 | 8 | 6 |
| 2007 | 2 | 7 |
| 2008 | 2 | 9 |
| 2009 | 3 | 7 |
| 2010 | 9 | 4 |
| 2011 | 6 | 3 |
| 2012 | 5 | 3 |
| 2013 | 4 | 4 |
| 2014 | 3 | 3 |
| 2015 | 2 | 10 |
| 2016 | 5 | 9 |
| 2017 | 5 | 8 |
| 2018 | 7 | 4 |
| 2019 | 7 | 9 |
| 2020 | 13 | 14 |
| 2021 | 8 | 9 |
| 2022 | 11 | 13 |
| 2023 | 10 | 23 |
| 2024 | 10 | 12 |
| 2025 | 13 | 13 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for variably adjusting the electrical insulating properties of varistor-containing materials18 Aug 2026US 12,712,102 B2Susonity Commercial GmbH
- Multilayer varistor14 Jul 2026US 12,683,046 B2Panasonic Intellectual Property Management Co., Ltd.
- Metal oxide-polyaniline polymer matrix varistor12 May 2026US 12,626,842 B2Littelfuse, Inc.
- Devices and methods related to MOV having modified edge24 Mar 2026US 12,586,698 B2
- Multilayer varistor and method for manufacturing the same17 Mar 2026US 12,580,105 B2Panasonic Intellectual Property Management Co., Ltd.
- Mov devices and methods8 Oct 2026US 2026/0311915 A1
- Low-cost electrode for metal oxide varistors1 Oct 2026US 2026/0302006 A1Dongguan Littelfuse Electronics Company Limited
- Voltage non-linear resistor ceramic and electronic device1 Oct 2026US 2026/0302007 A1TDK Corporation
- Overvoltage protection devices with temperature-based failsafe30 Jul 2026US 2026/0221749 A1Southwire Company
- Heat absorbing layer for metal oxide varistor18 Jun 2026US 2026/0171288 A1Dongguan Littelfuse Electronics Company Limited
Most cited
By later US patents
- Heat sink thermal transfer system for zinc oxide varistors84US 4,335,417 AGeneral Electric Company · 1982
- Voltage-dependent resistor76US 4,400,683 AMatsushita Electric Industrial Co., Ltd. · 1983
- Passive electrostatic shielding structure for electrical circuitry and energy conditioning with outer partial shielded energy pathways66US 6,687,108 B1X2Y Attenuators, LLC · 2004
- Electrode arrangement for circuit energy conditioning63US 6,549,389 B2X2Y Attenuators, LLC · 2003
- Isolating energy conditioning shield assembly60US 6,469,595 B2X2Y Attenuators, LLC · 2002