H02H 7/001
Emergency protective circuit arrangements specially adapted for specific types of electric machines
Official title: {for superconducting apparatus, e.g. coils, lines, machines}
H02H7/001 (Emergency protective circuit arrangements specially adapted for specific types of electric machines) appears on 145 US grants and 107 published applications in this corpus.
Search patents in H02H- Granted patents
- 145
- Published applications
- 107
- Assignees
- 80
- Inventors
- 323
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 3 | 4 |
| 2006 | 1 | 6 |
| 2007 | 4 | 3 |
| 2008 | 3 | 9 |
| 2009 | 2 | 6 |
| 2010 | 7 | 10 |
| 2011 | 5 | 6 |
| 2012 | 2 | 4 |
| 2013 | 6 | 5 |
| 2014 | 8 | 3 |
| 2015 | 3 | 7 |
| 2016 | 2 | 3 |
| 2017 | 4 | 1 |
| 2018 | 4 | 6 |
| 2019 | 4 | 4 |
| 2020 | 2 | 9 |
| 2021 | 8 | 4 |
| 2022 | 6 | 3 |
| 2023 | 2 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control system for charging of non/partially insulated superconducting magnets and related techniques18 Aug 2026US 12,712,103 B2Massachusetts Institute of Technology
- Controller for an electrical power supply circuit of a superconducting motor, superconducting electrical power supply system for a motor, and aircraft comprising such a system24 Mar 2026US 12,587,005 B2Airbus SAS
- Quench protection in high-temperature superconducting magnets24 Feb 2026US 12,562,298 B2Tokamak Energy Ltd
- Superconducting switch7 Oct 2025US 12,439,833 B2Victoria Link Limited
- Superconducting magnet device, NMR device, and MRI device5 Aug 2025US 12,382,844 B2Hitachi High-Tech Corporation
- Dense linear ramp bragg grating pattern for quench detection in high temperature superconducting magnets28 May 2026US 2026/0147151 A1Commonwealth Fusion Systems LLC
- Superconducting electrical supply line, method for controlling a superconducting electrical supply line and aircraft comprising such a line26 Jun 2025US 2025/0210967 A1
- Superconducting magnet device23 Jan 2025US 2025/0029762 A1Sumitomo Heavy Industries, Ltd.
- Controller for an electrical power supply circuit of a superconducting motor, superconducting electrical power supply system for a motor, and aircraft comprising such a system22 Aug 2024US 2024/0283238 A1Airbus SAS
- Method for detecting a random state transition in a conducting line, particularly a superconducting line8 Aug 2024US 2024/0264215 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Inductive quench for magnet protection149US 7,701,677 B2Massachusetts Institute of Technology · 2010
- Quench protection circuit for a superconducting magnet49US 7,492,556 B2Siemens Magnet Technology Ltd. · 2009
- Portable magnet power supply for a superconducting magnet and a method for removing energy from a superconducting magnet using a portable magnet power supply39US 8,699,199 B2Siemens Aktiengesellschaft · 2014
- System and method for quench and over-current protection of superconductor37US 6,900,714 B1General Electric Company · 2005
- Quench protection for persistant superconducting magnets for magnetic resonance imaging36US 6,147,844 AGeneral Electric Company · 2000