H02H 7/006
Emergency protective circuit arrangements specially adapted for specific types of electric machines
Official title: {for non-insulated low-voltage distribution systems, e.g. low-voltage halogen-lamp system}
H02H7/006 (Emergency protective circuit arrangements specially adapted for specific types of electric machines) appears on 5 US grants and 2 published applications in this corpus.
Search patents in H02H- Granted patents
- 5
- Published applications
- 2
- Assignees
- 7
- Inventors
- 7
- Latest grant
- 2 Dec 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Overload protection arrangement for electronic converters, for instance for halogen lamps2 Dec 2008US 7,460,378 B2Patent-Treuhand-Gesellschaft Fur Elektrisch Gluhlampen Mbh
- Electronic transformer for lighting5 Dec 2000US 6,157,551 ALightech Electronics Industries Ltd.
- Overvoltage protection circuit2 Jul 1996US 5,532,894 AMinnesota Mining and Manufacturing Company
- Lighting apparatus with improved current overload protection circuit4 Jun 1996US 5,523,653 ATivoli Industries, Inc.
- Fast lamp current limiting apparatus and method2 Mar 1993US 5,191,501 ATranslite, Ltd.
Most cited
By later US patents
- Electronic transformer for lighting38US 6,157,551 ALightech Electronics Industries Ltd. · 2000
- Overvoltage protection circuit11US 5,532,894 AMinnesota Mining and Manufacturing Company · 1996
- Fast lamp current limiting apparatus and method7US 5,191,501 ATranslite, Ltd. · 1993
- Overload protection arrangement for electronic converters, for instance for halogen lamps4US 7,460,378 B2Patent-Treuhand-Gesellschaft Fur Elektrisch Gluhlampen Mbh · 2008
- Lighting apparatus with improved current overload protection circuit2US 5,523,653 ATivoli Industries, Inc. · 1996