F21S 41/166
Characterised by the shape of the filament
Official title: characterised by the shape of the filament
F21S41/166 (Characterised by the shape of the filament) appears on 10 US grants and 0 published applications in this corpus.
Search patents in F21S- Granted patents
- 10
- Published applications
- 0
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 10 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Partially coated vehicle halogen lamp capsule for projector headlight10 Sep 2019US 10,408,406 B1Osram Sylvania Inc.
- Vehicle lamp reflector having ventilation channel adjacent lamp capsule4 Sep 2018US 10,066,801 B1Osram Sylvania Inc.
- Headlamp for vehicles4 Jul 1995US 5,430,623 AKoito Manufacturing Co., Ltd.
- Antiglare bulb shade for a vehicle headlamp23 Mar 1993US 5,195,815 AKoito Manufacturing Co., Ltd.
- Headlamp unit for motor vehicles7 Jan 1992US 5,079,677 AIchikoh Industries, Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Combined flood and spot light37US 4,755,916 ACollins Dynamics · 1988
- Combined flood and spot light incorporating a reflector member of circular and parabolic longitudinal cross section23US 4,587,601 ACollins Dynamics · 1986
- Antiglare bulb shade for a vehicle headlamp21US 5,195,815 AKoito Manufacturing Co., Ltd. · 1993
- Automotive headlamp18US 4,754,373 AGeneral Electric Company · 1988
- Motor vehicle headlight12US 4,723,198 AGTE Products Corporation · 1988