H02H 11/004
In case of incorrect phase sequence
Official title: {in case of incorrect phase sequence; with switching for obtaining correct phase sequence (protection of motors against wrong direction of rotation H02H7/097)}
H02H11/004 (In case of incorrect phase sequence) appears on 36 US grants and 16 published applications in this corpus.
Search patents in H02H- Granted patents
- 36
- Published applications
- 16
- Assignees
- 33
- Inventors
- 63
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical wiring device with wiring detection and correction10 Feb 2026US 12,549,002 B2Pass & Seymour, Inc.
- Electrical wiring device with wiring detection and correction26 Dec 2023US 11,855,436 B2Pass & Seymour, Inc.
- Three-phase electronic control unit for enclosure air conditioners25 Jul 2023US 11,711,911 B2Hoffman Enclosures, Inc.
- Electrical wiring device with wiring detection and correction31 May 2022US 11,349,305 B2Pass & Seymour, Inc.
- Three-phase electronic control unit for enclosure air conditioners3 Aug 2021US 11,083,112 B2Hoffman Enclosures, Inc.
- Electrical wiring device with wiring detection and correction24 Sep 2026US 2026/0291223 A1Pass & Seymour, Inc.
- Electrical wiring device with wiring detection and correction11 Sep 2025US 2025/0286368 A1Pass & Seymour, Inc.
- Superconducting magnet device23 Jan 2025US 2025/0029762 A1Sumitomo Heavy Industries, Ltd.
- Electrical wiring device with wiring detection and correction16 Feb 2023US 2023/0045908 A1Pass & Seymour, Inc.
- Three-Phase Electronic Control Unit for Enclosure Air Conditioners18 Nov 2021US 2021/0360834 A1Hoffman Enclosures, Inc.
Most cited
By later US patents
- Phase sequence correcting system for three-phase AC power72US 4,021,704 ABorg-Warner Corporation · 1977
- Air-conditioning apparatus including an indoor unit and an outdoor unit having its compressor driven by a three-phase AC power supply66US 5,062,278 AKabushiki Kaisha Toshiba · 1991
- Phase sequence detector for three-phase AC power system63US 3,976,919 ABorg-Warner Corporation · 1976
- System and method for fault contactor detection58US 7,130,170 B2Siemens Energy & Automation, Inc. · 2006
- Fault detector for a three-phase alternating current supply51US 4,751,653 AAmerican Standard Inc. · 1988