H01H 83/12
Operated by voltage falling below a predetermined value
Official title: operated by voltage falling below a predetermined value, e.g. for no-volt protection
H01H83/12 (Operated by voltage falling below a predetermined value) appears on 130 US grants and 79 published applications in this corpus.
Search patents in H01H- Granted patents
- 130
- Published applications
- 79
- Assignees
- 59
- Inventors
- 224
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 4 | 7 |
| 2007 | 1 | 4 |
| 2008 | 2 | 3 |
| 2009 | 6 | 5 |
| 2010 | 3 | 3 |
| 2011 | 2 | 7 |
| 2012 | 2 | 4 |
| 2013 | 5 | 4 |
| 2014 | 5 | 4 |
| 2015 | 3 | 1 |
| 2016 | 1 | 9 |
| 2017 | 4 | 2 |
| 2018 | 3 | 3 |
| 2019 | 3 | 3 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 7 | 4 |
| 2023 | 3 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit breaker24 Feb 2026US 12,562,322 B2Siemens Aktiengesellschaft
- Electronically controlled fusible switching disconnect modules and devices7 Jan 2025US 12,191,099 B2Eaton Intelligent Power Limited
- Intelligent circuit breaker capable of automatically releasing and tripping in power failure20 Feb 2024US 11,908,651 B2Tianjin Jmt Electric Equipment Co., Ltd
- Fusible switching disconnect modules and devices with tripping coil31 Oct 2023US 11,804,350 B2Eaton Intelligent Power Limited
- Rotary maintenance type leakage protector21 Feb 2023US 11,587,754 B2Yuyao Jiarong Electrical Appliance Co., Ltd
- Circuit breaker and method6 Feb 2025US 2025/0046539 A1Siemens Aktiengesellschaft
- Circuit breaker5 Dec 2024US 2024/0404764 A1Siemens Aktiengesellschaft
- Circuit breaker and method28 Nov 2024US 2024/0395476 A1Siemens Aktiengesellschaft
- Electronically controlled fusible switching disconnect modules and devices19 Jan 2023US 2023/0015826 A1Eaton Intelligent Power Limited
- Rotary Maintenance Type Leakage Protector13 Oct 2022US 2022/0328269 A1Yuyao Jiarong Electrical Appliance Co., Ltd
Most cited
By later US patents
- Circuit breaker99US 5,581,219 AFuji Electric Co., Ltd. · 1996
- Auxiliary trip device for a circuit breaker92US 5,512,720 AMerlin Gerin · 1996
- Switch mechanism79US 5,517,165 APDL Holdings Limited · 1996
- Resettable circuit closing device51US 4,567,456 ATechnology Research Corporation · 1986
- Fusible switching disconnect modules and devices46US 7,561,017 B2Cooper Technologies Company · 2009