H02H 9/041
Using a short-circuiting device
Official title: {using a short-circuiting device}
H02H9/041 (Using a short-circuiting device) appears on 740 US grants and 808 published applications in this corpus.
Search patents in H02H- Granted patents
- 740
- Published applications
- 808
- Assignees
- 524
- Inventors
- 1,768
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 7 |
| 2004 | 5 | 8 |
| 2005 | 3 | 2 |
| 2006 | 6 | 3 |
| 2007 | 3 | 9 |
| 2008 | 7 | 10 |
| 2009 | 6 | 4 |
| 2010 | 5 | 9 |
| 2011 | 5 | 10 |
| 2012 | 6 | 28 |
| 2013 | 15 | 51 |
| 2014 | 27 | 44 |
| 2015 | 38 | 63 |
| 2016 | 51 | 56 |
| 2017 | 47 | 51 |
| 2018 | 48 | 68 |
| 2019 | 58 | 65 |
| 2020 | 62 | 59 |
| 2021 | 67 | 41 |
| 2022 | 54 | 48 |
| 2023 | 33 | 42 |
| 2024 | 44 | 50 |
| 2025 | 38 | 50 |
| 2026 | 20 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electrical power transmission1 Sep 2026US 12,726,018 B2Enertechnos Limited
- Spark gaps with high current capability for electrical overstress detection and protection25 Aug 2026US 12,719,242 B2Analog Devices International Unlimited Company
- Inrush current protection circuit for solid state lighting fixtures25 Aug 2026US 12,720,655 B2Hubbell Incorporated
- Methods and apparatus to improve performance of power path protection devices20 Aug 2026US 2026/0246260 A1Texas Instruments Incorporated
- Transient voltage suppression device with clamping characteristic20 Aug 2026US 2026/0246264 A1Vishay General Semiconductor LLC
- Bi-directional asymmetric transient voltage suppressor20 Aug 2026US 2026/0247720 A1Littelfuse Semiconductor (Wuxi) Co., Ltd.
- Voltage-limiting circuit and field device comprising such a voltage-limiting circuit6 Aug 2026US 2026/0229884 A1Endress+Hauser Wetzer GmbH+Co.KG
- Method, device and arrangement for surge protection6 Aug 2026US 2026/0229987 A1
Most cited
By later US patents
- Distributed maximum power point tracking system, structure and process185US 8,035,249 B2Newdoll Enterprises LLC · 2011
- Distributed maximum power point tracking system, structure and process182US 8,427,009 B2Newdoll Enterprises LLC · 2013
- Distributed maximum power point tracking system, structure and process177US 7,772,716 B2Newdoll Enterprises LLC · 2010
- Method and systems for electromagnetic protection with persistent self monitoring and cybersecure local and remote status report130US 11,469,592 B12022
- Power line filter for transient and continuous noise suppression110US 4,698,721 APuroflow Corporation · 1987