G03B 21/2026
Gas discharge type light sources
Official title: {Gas discharge type light sources, e.g. arcs}
G03B21/2026 (Gas discharge type light sources) appears on 339 US grants and 371 published applications in this corpus.
Search patents in G03B- Granted patents
- 339
- Published applications
- 371
- Assignees
- 124
- Inventors
- 531
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 6 | 7 |
| 2003 | 2 | 7 |
| 2004 | 11 | 10 |
| 2005 | 6 | 25 |
| 2006 | 14 | 27 |
| 2007 | 10 | 27 |
| 2008 | 13 | 33 |
| 2009 | 19 | 26 |
| 2010 | 20 | 29 |
| 2011 | 32 | 30 |
| 2012 | 20 | 30 |
| 2013 | 25 | 22 |
| 2014 | 16 | 20 |
| 2015 | 27 | 18 |
| 2016 | 16 | 19 |
| 2017 | 21 | 16 |
| 2018 | 18 | 5 |
| 2019 | 7 | 8 |
| 2020 | 6 | 3 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operating a discharge lamp and discharge lamp9 Jun 2026US 12,650,637 B2OSRAM GmbH
- Projector display systems having non-mechanical mirror beam steering18 Feb 2025US 12,228,886 B2Dolby Laboratories Licensing Corporation
- Xenon lamp for projector20 Feb 2024US 11,908,676 B2Ushio Denki Kabushiki Kaisha
- Image projection apparatus18 Apr 2023US 11,630,288 B2Ricoh Company, Ltd.
- Projector display systems having non-mechanical mirror beam steering28 Feb 2023US 11,592,783 B2Dolby Laboratories Licensing Corporation
- Xenon lamp for projector25 Jan 2024US 2024/0030020 A1Ushio Denki Kabushiki Kaisha
- Projector display systems having non-mechanical mirror beam steering1 Jun 2023US 2023/0168626 A1Dolby Laboratories Licensing Corporation
- Method for operating a discharge lamp and discharge lamp9 Mar 2023US 2023/0071761 A1OSRAM GmbH
- Method for operating a discharge lamp and discharge lamp2 Mar 2023US 2023/0063322 A1OSRAM GmbH
- Image projection apparatus3 Mar 2022US 2022/0066177 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Optical illumination system and projection display apparatus using the same99US 5,418,583 AMatsushita Electric Industrial Co., Ltd. · 1995
- LED planar light source and low-profile headlight constructed therewith95US 6,945,672 B2GELcore, LLC · 2005
- Combined lamp and fan assembly90US 5,664,872 ASmiths Industries Limited · 1997
- Arc lamp lightsource module71US 6,179,446 B2EG&G ILC Technology, Inc. · 2001
- Reflection light absorbing plate and display panel for use in a display apparatus66US 5,875,013 AMatsushita Electric Industrial Co., Ltd. · 1999