H01K 7/02
Lamps for purposes other than general lighting: for producing a narrow beam
Official title: for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector (producing narrow beams by optical means external to lamp F21V)
H01K7/02 (Lamps for purposes other than general lighting: for producing a narrow beam) appears on 44 US grants and 35 published applications in this corpus.
Search patents in H01K- Granted patents
- 44
- Published applications
- 35
- Assignees
- 21
- Inventors
- 86
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 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 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 7 |
| 2007 | 2 | 4 |
| 2008 | 4 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 6 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optimized infrared light source for a gas sensor, and manufacturing method thereof29 Jul 2025US 12,372,457 B2Elichens
- Reflector lamp17 Mar 2020US 10,594,067 B2Ledvance GmbH
- Partially coated vehicle halogen lamp capsule for projector headlight10 Sep 2019US 10,408,406 B1Osram Sylvania Inc.
- Reflector lamp19 Jun 2018US 10,004,134 B2Ledvance GmbH
- Method of producing a halogen lamp and halogen lamp20 Feb 2018US 9,899,206 B2Vosla GmbH
- Optimized infrared light source for a gas sensor, and manufacturing method thereof21 Sep 2023US 2023/0296499 A1Elichens
- Reflector lamp13 Sep 2018US 2018/0261943 A1Ledvance GmbH
- Low etendue light source for fiber optic sensors in high temperature environments21 Sep 2017US 2017/0268908 A1Baker Hughes, A Ge Company, LLC
- Method of producing a halogen lamp and halogen lamp5 May 2016US 2016/0126084 A1Vosla GmbH
- Reflector Lamp23 Apr 2015US 2015/0109787 A1OSRAM GmbH
Most cited
By later US patents
- Apparatus for irradiating substances curable by radiation159US 4,298,806 AESPE Fabrik Pharmazeutischer Praparate GmbH · 1981
- Filament lamp infrared source41US 5,438,233 ABHK, Inc. · 1995
- Emissive filament and support structure20US 6,259,193 B1General Electric Company · 2001
- Incandescent illumination system16US 5,268,613 A1993
- Movie light, low voltage incandescent lamp unit for use therewith, and reflector13US 4,169,238 AGTE Sylvania Incorporated · 1979