H02H 9/023
Current limitation using superconducting elements
Official title: {Current limitation using superconducting elements}
H02H9/023 (Current limitation using superconducting elements) appears on 164 US grants and 139 published applications in this corpus.
Search patents in H02H- Granted patents
- 164
- Published applications
- 139
- Assignees
- 106
- Inventors
- 367
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 3 |
| 2003 | 4 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 5 |
| 2007 | 1 | 6 |
| 2008 | 4 | 6 |
| 2009 | 5 | 4 |
| 2010 | 4 | 6 |
| 2011 | 2 | 7 |
| 2012 | 2 | 12 |
| 2013 | 7 | 3 |
| 2014 | 12 | 11 |
| 2015 | 4 | 9 |
| 2016 | 4 | 8 |
| 2017 | 7 | 5 |
| 2018 | 4 | 5 |
| 2019 | 11 | 11 |
| 2020 | 3 | 8 |
| 2021 | 11 | 3 |
| 2022 | 5 | 8 |
| 2023 | 4 | 3 |
| 2024 | 1 | 5 |
| 2025 | 4 | 2 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Superconductor current limiting device and aircraft comprising such a device8 Sep 2026US 12,731,983 B2Airbus SAS
- Superconducting power supply system12 May 2026US 12,626,841 B2Ls Electric Co., Ltd.
- Power fuse and aircraft comprising such a power fuse31 Mar 2026US 12,592,350 B2Airbus SAS
- Passively activated switch system for a high-current coil13 Jan 2026US 12,525,791 B2Diversified Technologies, Inc.
- Cooling control apparatus for superconducting fault current limiter6 Jan 2026US 12,519,306 B2Ls Electric Co., Ltd.
- Junction module for fault current limiter and modular fault current limiter comprising same24 Sep 2026US 2026/0291217 A1Ls Electric Co., Ltd.
- Superconducting fault current limiter having weight sensing unit, and method for measuring refrigerant level using same13 Aug 2026US 2026/0238000 A1Ls Electric Co., Ltd.
- Drive circuit and electrical apparatus4 Jun 2026US 2026/0155645 A1Contemporary Amperex Technology Co., Limited
- Integrated solid-state circuit breaker with superconducting fault current limiter4 Sep 2025US 2025/0279645 A1Drexel University
- Superconducting electrical supply line, method for controlling a superconducting electrical supply line and aircraft comprising such a line26 Jun 2025US 2025/0210967 A1
Most cited
By later US patents
- Passive fault current limiting device93US 5,892,644 AThe University of Chicago · 1999
- Superconducting transformer75US 4,336,561 AWestinghouse Electric Corp. · 1982
- Resistive superconducting fault current limiter66US 7,558,030 B2LS Industrial System Co., Ltd. · 2009
- Device for a current limiter and a current limiter comprising said device65US 10,186,858 B2ROLLS-ROYCE plc · 2019
- Superconductive coil assembly particularly for a current limiter, and a current limiter including such a coil assembly39US 5,387,890 AGEC Alsthom Electromecanique SA · 1995