H01F 7/1833
By changing number of parallel-connected turns or windings
Official title: {by changing number of parallel-connected turns or windings (for relays H01H47/08)}
H01F7/1833 (By changing number of parallel-connected turns or windings) appears on 14 US grants and 9 published applications in this corpus.
Search patents in H01F- Granted patents
- 14
- Published applications
- 9
- Assignees
- 13
- Inventors
- 27
- Latest grant
- 3 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electromagnetic actuator assembly for a fluid injection valve and method for operating a fluid injection valve3 Oct 2017US 9,777,685 B2Continental Automotive GmbH
- Solenoid with variable reluctance plunger23 Aug 2016US 9,424,972 B2Remy Technologies, L.L.C.
- Solenoid with variable reluctance plunger17 Jun 2014US 8,754,731 B2Remy Technologies, L.L.C.
- Starting device for engines16 Apr 2013US 8,421,562 B2Denso Corporation
- Starter motor solenoid with variable reluctance plunger16 Apr 2013US 8,421,565 B2Remy Technologies, L.L.C.
- Electromagnetic Actuator Assembly For A Fluid Injection Valve And Method For Operating A Fluid Injection Valve3 Dec 2015US 2015/0345444 A1Continental Automotive GmbH
- Solenoid with Variable Reluctance Plunger28 Aug 2014US 2014/0240067 A1Remy Technologies, L.L.C.
- Solenoid with Variable Reluctance Plunger8 Aug 2013US 2013/0199509 A1Remy Technologies, L.L.C.
- Starting Device for Engines17 May 2012US 2012/0119497 A1Denso Corporation
- Starter motor solenoid with variable reluctance plunger22 Mar 2012US 2012/0068796 A1Remy International, Inc.
Most cited
By later US patents
- Electromagnetic operating device44US 6,968,859 B1Yuken Kogyo Kabushiki Kaisha · 2005
- Control system for an electromagnet19US 4,114,184 ALucifer S.A. · 1978
- Electromagnetic valve security device for fuel supplies17US 4,262,687 AIida Sankyo Co., Ltd. · 1981
- Method of controlling driving power of double-solenoid electric percussion tools9US 5,760,552 AChung-Shan Inst. of Science Technology · 1998
- Starting device for engines8US 8,193,882 B2Denso Corporation · 2012