G03B 27/54
Lamp housings
Official title: Lamp housings; Illuminating means
G03B27/54 (Lamp housings) appears on 547 US grants and 317 published applications in this corpus.
Search patents in G03B- Granted patents
- 547
- Published applications
- 317
- Assignees
- 212
- Inventors
- 984
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 12 | 0 |
| 1978 | 15 | 0 |
| 1979 | 4 | 0 |
| 1980 | 20 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 5 | 0 |
| 1986 | 15 | 0 |
| 1987 | 13 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 24 | 0 |
| 1991 | 15 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 11 |
| 2003 | 7 | 6 |
| 2004 | 14 | 14 |
| 2005 | 9 | 13 |
| 2006 | 13 | 28 |
| 2007 | 15 | 23 |
| 2008 | 15 | 30 |
| 2009 | 10 | 48 |
| 2010 | 16 | 50 |
| 2011 | 20 | 27 |
| 2012 | 26 | 10 |
| 2013 | 29 | 7 |
| 2014 | 20 | 13 |
| 2015 | 18 | 8 |
| 2016 | 11 | 4 |
| 2017 | 5 | 6 |
| 2018 | 11 | 7 |
| 2019 | 5 | 6 |
| 2020 | 7 | 4 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Print head13 May 2025US 12,298,679 B2Toshiba Tec Kabushiki Kaisha
- Simultaneous single obverse and reverse imaging of collectible items2 Jul 2024US 12,028,497 B1
- Optical system having an improved aberration behavior, and LIDAR device including a system of this type2 Jan 2024US 11,860,311 B2Robert Bosch GmbH
- Light guide and image scanning device6 Jul 2021US 11,057,535 B2Mitsubishi Electric Corporation
- Image reading device4 May 2021US 10,999,456 B2Mitsubishi Electric Corporation
- Print head27 Feb 2025US 2025/0068093 A1Toshiba Tec Kabushiki Kaisha
- Light guide and image scanning device17 Dec 2020US 2020/0396353 A1Mitsubishi Electric Corporation
- Optical system having an improved aberration behavior, and lidar device including a system of this type3 Dec 2020US 2020/0379091 A1Robert Bosch GmbH
- Image reading device3 Dec 2020US 2020/0382666 A1Mitsubishi Electric Corporation
- Light source module of photo printer20 Feb 2020US 2020/0057361 A1Primax Electronics Ltd.
Most cited
By later US patents
- Colored light source providing intensification of initial source illumination139US 5,255,171 A1993
- Projector light source utilizing a solid state green light source124US 6,212,213 B1Agilent Technologies, Inc. · 2001
- Projection exposure apparatus wherein focusing of the apparatus is changed by controlling the temperature of a lens element of the projection optical system115US 5,883,704 ANikon Corporation · 1999
- Lamp unit104US 4,661,890 AKabushiki Kaisha Toshiba · 1987
- Linear illumination sources and systems93US 6,186,649 B1Honeywell International Inc. · 2001