H01H 33/004
Making use of superconducting contacts
Official title: {making use of superconducting contacts (current limitation using superconducting elements H02H9/023; power cryotrons H10N60/355)}
H01H33/004 (Making use of superconducting contacts) appears on 14 US grants and 5 published applications in this corpus.
Search patents in H01H- Granted patents
- 14
- Published applications
- 5
- Assignees
- 14
- Inventors
- 39
- Latest grant
- 22 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Current protection device with mutual reactor22 Sep 2020US 10,784,673 B2Varian Semiconductor Equipment Associates, Inc.
- Pneumatically operable current protection device for a fault current limiter27 Aug 2019US 10,396,548 B2Varian Semiconductor Equipment Associates, Inc.
- Superconducting DC circuit breaker using arcing induction6 Aug 2019US 10,373,784 B2Industry-Academic Cooperation Foundation, Chosun University
- Mechanical superconducting switch22 Aug 2017US 9,741,480 B2Siemens Healthcare GmbH
- Switchable low-loss cryogenic lead system20 Mar 2007US 7,193,336 B1
- Current protection device with mutual reactor21 Feb 2019US 2019/0058318 A1Varian Semiconductor Equipment Associates, Inc.
- Pneumatically operable current protection device for a fault current limiter2 Aug 2018US 2018/0219372 A1Varian Semiconductor Equipment Associates, Inc.
- Superconducting dc circuit breaker using arcing induction2 Nov 2017US 2017/0316894 A1Industry-Academic Cooperation Foundation, Chosun University
- Mechanical superconducting switch15 Jan 2015US 2015/0018218 A1Siemens Aktiengesellschaft
- Persistent current switch and method for the same19 Dec 2002US 2002/0190824 A1International Superconductivity Technology Center, The Juridical Foundation
Most cited
By later US patents
- Hybrid current limiter having superconductor windings15US 5,153,804 AGEC Alsthom SA · 1992
- Persistent current switch including electrodes forming parallel conductive and superconductive paths14US 4,021,633 AHitachi, Ltd. · 1977
- Filter arrangement having a transconductance circuit11US 4,780,690 AU. S. Philips Corporation · 1988
- Contact maker-breaker9US 5,153,803 ATelemecanique · 1992
- Shorting contacts for closing a superconducting current path operated by a bellows arrangement responsive to the pressure of a cryogenic medium used in cooling the contacts8US 4,024,363 ASiemens Aktiengesellschaft · 1977