H01H 1/065
Formed by freely suspended particles
Official title: {formed by freely suspended particles, e.g. magnetic dust or balls}
H01H1/065 (Formed by freely suspended particles) appears on 7 US grants and 3 published applications in this corpus.
Search patents in H01H- Granted patents
- 7
- Published applications
- 3
- Assignees
- 6
- Inventors
- 7
- Latest grant
- 26 Sep 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic switch and uses thereof in wellbores26 Sep 2017US 9,771,778 B2Baker Hughes Incorporated
- Low cost electrical power connectivity for railway systems manufactured from conductive loaded resin-based materials23 Jun 2009US 7,549,521 B2Integral Technologies, Inc.
- Level/position sensor and related electronic circuitry for interactive toy7 Feb 2006US 6,995,680 B2
- Magnetically actuated pushbutton switch30 May 2000US 6,069,545 ADuraswitch Industries, Inc.
- Position transducer1 Jun 1982US 4,333,066 AThe United States of America as represented by the Secretary of the Army
- Magnetic Switch and Uses Thereof in Wellbores22 Oct 2015US 2015/0300097 A1Baker Hughes Incorporated
- Low cost electrical power connectivity for railway systems manufactured from conductive loaded resin-based materials6 Apr 2006US 2006/0071862 A1Integral Technologies, Inc.
- Level/position sensor and related electronic circuitry for interactive toy22 Apr 2004US 2004/0075571 A1
Most cited
By later US patents
- Magnetically actuated pushbutton switch21US 6,069,545 ADuraswitch Industries, Inc. · 2000
- Switching element16US 4,292,615 A1981
- Low cost electrical power connectivity for railway systems manufactured from conductive loaded resin-based materials13US 7,549,521 B2Integral Technologies, Inc. · 2009
- Level/position sensor and related electronic circuitry for interactive toy5US 6,995,680 B22006
- Non-resettable heat responsive safety switch4US 4,025,889 AFirma Microtherm GmbH · 1977