H01H 71/7445
Poly-phase adjustment
Official title: {Poly-phase adjustment}
H01H71/7445 (Poly-phase adjustment) appears on 25 US grants and 13 published applications in this corpus.
Search patents in H01H- Granted patents
- 25
- Published applications
- 13
- Assignees
- 17
- Inventors
- 56
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Crossbar assembly and trip assembly comprising same15 Apr 2025US 12,278,071 B2Ls Electric Co., Ltd.
- Trip device14 Jan 2025US 12,198,883 B2Ls Electric Co., Ltd.
- Thermal trip compensation structure12 Feb 2019US 10,204,755 B2Schneider Electric Industries SAS
- Adjustable thermal trip mechanism for circuit breaker3 Jul 2018US 10,014,142 B2Lsis Co., Ltd.
- Thermal overload relay18 Aug 2015US 9,111,709 B2Fuji Electric Fa Components & Systems Co., Ltd.
- Crossbar assembly and trip assembly comprising same22 Dec 2022US 2022/0406550 A1Ls Electric Co., Ltd.
- Trip device1 Dec 2022US 2022/0384134 A1Ls Electric Co., Ltd.
- Thermal trip compensation structure28 Dec 2017US 2017/0372858 A1Schneider Electric Industries SAS
- Adjustable thermal trip mechanism for circuit breaker9 Nov 2017US 2017/0323753 A1Lsis Co., Ltd.
- Self-phasing electric meter and automation system31 Aug 2017US 2017/0248639 A1Siemens Industry, Inc.
Most cited
By later US patents
- Adjustable circuit breaker thermal trip unit28US 4,922,220 AWestinghouse Electric Corp. · 1990
- Thermal trip unit with magnetic shield and circuit breaker incorporating same25US 5,894,259 AEaton Corporation · 1999
- Thermal-type over load relay17US 4,635,020 AMitsubishi Denki Kabushiki Kaisha · 1987
- Circuit interrupter with thermal trip adjustability15US 6,445,274 B1Eaton Corporation · 2002
- Electric switch, more particularly a current-limiter13US 4,400,670 ASACE S.p.A. Costruzioni Elettromeccaniche · 1983