H01J 61/33
Special shape of cross-section
Official title: Special shape of cross-section, e.g. for producing cool spot
H01J61/33 (Special shape of cross-section) appears on 124 US grants and 132 published applications in this corpus.
Search patents in H01J- Granted patents
- 124
- Published applications
- 132
- Assignees
- 83
- Inventors
- 345
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 6 |
| 2003 | 4 | 8 |
| 2004 | 6 | 7 |
| 2005 | 3 | 6 |
| 2006 | 6 | 12 |
| 2007 | 6 | 12 |
| 2008 | 4 | 3 |
| 2009 | 2 | 15 |
| 2010 | 3 | 7 |
| 2011 | 7 | 11 |
| 2012 | 10 | 5 |
| 2013 | 3 | 3 |
| 2014 | 5 | 9 |
| 2015 | 1 | 1 |
| 2016 | 4 | 2 |
| 2017 | 4 | 6 |
| 2018 | 4 | 1 |
| 2019 | 5 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 4 | 7 |
| 2023 | 5 | 3 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Assembly for a laser-operated light source and method of use15 Sep 2026US 12,736,884 B2ASML Netherlands B. V.
- Smart UV C fixture with IoT features17 Jun 2025US 12,329,872 B2Lumenlabs LLC
- 234 nm far UV C filter10 Sep 2024US 12,083,240 B2Lumenlabs LLC
- Tubular electrodeless lamp11 Jun 2024US 12,009,199 B2Lumartix SA
- Highly efficient UV C bulb with multifaceted filter12 Mar 2024US 11,925,720 B2Lumenlabs LLC
- Excimer lamp26 Mar 2026US 2026/0088267 A1ORC Manufacturing Co., Ltd.
- An assembly for a laser-operated light source and method of use16 Jan 2025US 2025/0021009 A1ASML Netherlands B. V.
- Highly efficient uv c bulb with multifaceted filter30 Nov 2023US 2023/0381359 A1Lumenlabs LLC
- Smart uv c fixture with iot features3 Aug 2023US 2023/0241273 A1Lumenlabs LLC
- Tubular electrodeless lamp16 Mar 2023US 2023/0082751 A1Lumartix SA
Most cited
By later US patents
- Discharge lamp, image display device using the same and discharge lamp producing method85US 5,514,934 AMitsubishi Denki Kabushiki Kaisha · 1996
- Fluorescent lamp with envelope grooves37US 3,988,633 ADuro-Test Corporation · 1976
- Scanning back illuminating light source for liquid crystal and other displays26US 5,387,921 APanocorp Display Systems · 1995
- Flat type fluorescent lamp25US 4,234,817 AStanley Electric Co., Ltd. · 1980
- High efficiency fluorescent lamp device22US 5,502,626 AHoneywell Inc. · 1996