H02H 7/005
Emergency protective circuit arrangements specially adapted for specific types of electric machines
Official title: {for remote controlled apparatus; for lines connecting such apparatus}
H02H7/005 (Emergency protective circuit arrangements specially adapted for specific types of electric machines) appears on 45 US grants and 33 published applications in this corpus.
Search patents in H02H- Granted patents
- 45
- Published applications
- 33
- Assignees
- 21
- Inventors
- 50
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 5 |
| 2019 | 9 | 9 |
| 2020 | 7 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 8 |
| 2023 | 3 | 1 |
| 2024 | 6 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Power high-density DC/DC conversion system with overvoltage protection for energy transmission by umbilical cables connected to robotic systems in long pipelines15 Apr 2025US 12,278,480 B2Petroleo Brasileiro S.A. - Petrobras
- Magnetic supporting of thrust load for downhole-type artificial lift system23 Jul 2024US 12,046,982 B2Upwing Energy, LLC
- Apparatus for protecting and controlling an electrical load25 Jun 2024US 12,021,471 B2Future Systems Besitz GmbH
- Motor control apparatus for controlling a power supply to an electrical motor11 Jun 2024US 12,009,764 B2Future Systems Besitz GmbH
- Method and apparatus for protecting an electrical load11 Jun 2024US 12,009,765 B2Future Systems Besitz GmbH
- Power high-density dc/dc conversion system with overvoltage protection for energy transmission by umbilical cables connected to robotic systems in long pipelines9 Mar 2023US 2023/0076656 A1Petroleo Brasileiro S.A. - Petrobras
- An Apparatus for Switching and Protection of a Load3 Nov 2022US 2022/0352841 A1Future Systems Besitz GmbH
- An Apparatus for Protecting and Controlling an Electrical Load11 Aug 2022US 2022/0255308 A1Future Systems Besitz GmbH
- System and method for cancelling parasite voltage of neutral electric line and lifting of voltage of phase line at a remote load7 Jul 2022US 2022/0216689 A1
- Method and apparatus for protecting an electrical load16 Jun 2022US 2022/0190586 A1Future Systems Besitz GmbH
Most cited
By later US patents
- Combination current sensor and relay68US 5,808,846 AVeris Industries, LLC · 1998
- Protective load disconnect unit for remote load control systems47US 4,206,443 AWestinghouse Electric Corp. · 1980
- Overcurrent protective device and device for detecting overcurrent38US 5,375,028 AMitsubishi Denki Kabushiki Kaisha · 1994
- Combination current sensor and relay32US 6,005,760 AVeris Industries, LLC · 1999
- Combination current sensor and relay28US 6,950,292 B2Veris Industries, LLC · 2005