H02H 9/044
Physical layout, materials not provided for elsewhere
Official title: {Physical layout, materials not provided for elsewhere (varistors H01C7/12; spark-gaps H01T; Ovshinsky devices H10N70/00)}
H02H9/044 (Physical layout, materials not provided for elsewhere) appears on 310 US grants and 294 published applications in this corpus.
Search patents in H02H- Granted patents
- 310
- Published applications
- 294
- Assignees
- 219
- Inventors
- 718
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 4 | 4 |
| 2007 | 2 | 5 |
| 2008 | 1 | 3 |
| 2009 | 4 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 8 |
| 2012 | 6 | 0 |
| 2013 | 5 | 22 |
| 2014 | 12 | 28 |
| 2015 | 20 | 24 |
| 2016 | 18 | 12 |
| 2017 | 14 | 23 |
| 2018 | 11 | 19 |
| 2019 | 21 | 23 |
| 2020 | 15 | 19 |
| 2021 | 27 | 22 |
| 2022 | 14 | 12 |
| 2023 | 17 | 12 |
| 2024 | 12 | 20 |
| 2025 | 14 | 13 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surge suppression device29 Sep 2026US 12,749,890 B2Proterial, Ltd.
- Surge protection module and surge protection device28 Jul 2026US 12,695,297 B2Shanghai Chenzhu Instrument Co., Ltd.
- Voltage clamping circuit for solid state circuit breakers21 Jul 2026US 12,689,209 B2ABB Schweiz AG
- Removable surge protector configured for standard electrical enclosure16 Jun 2026US 12,658,693 B2
- Surge protective device assembly modules2 Jun 2026US 12,646,932 B2Raycap, S.A.
- Protection circuit and electronic device8 Oct 2026US 2026/0312401 A1KYOCERA Document Solutions Inc.
- Integrated circuit24 Sep 2026US 2026/0291220 A1NXP B. V.
- Esd and overvoltage clamp20 Aug 2026US 2026/0246266 A1NXP B. V.
- Overvoltage protection devices with temperature-based failsafe30 Jul 2026US 2026/0221749 A1Southwire Company
- Recreational vehicle surge protection device16 Jul 2026US 2026/0204899 A1Hughes Autoformers LLC
Most cited
By later US patents
- Thin film overvoltage protection devices271US 4,809,044 AEnergy Conversion Devices, Inc. · 1989
- Monolythic surge suppressor107US 5,321,573 ADale Electronics, Inc. · 1994
- Method of fabricating stabilized threshold switching material102US 4,804,490 AEnergy Conversion Devices, Inc. · 1989
- Electrical connector with overvoltage protection feature82US 5,099,380 AElectromer Corporation · 1992
- Surface mount device with foldback switching overvoltage protection feature80US 5,189,387 AElectromer Corporation · 1993