H01J 61/84
Lamps with discharge constricted by high pressure
H01J61/84 (Lamps with discharge constricted by high pressure) appears on 444 US grants and 415 published applications in this corpus.
Search patents in H01J- Granted patents
- 444
- Published applications
- 415
- Assignees
- 147
- Inventors
- 829
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 7 |
| 2002 | 18 | 27 |
| 2003 | 29 | 34 |
| 2004 | 25 | 35 |
| 2005 | 19 | 27 |
| 2006 | 22 | 45 |
| 2007 | 16 | 29 |
| 2008 | 15 | 19 |
| 2009 | 21 | 31 |
| 2010 | 21 | 34 |
| 2011 | 23 | 21 |
| 2012 | 23 | 28 |
| 2013 | 24 | 9 |
| 2014 | 14 | 16 |
| 2015 | 12 | 8 |
| 2016 | 7 | 9 |
| 2017 | 9 | 6 |
| 2018 | 6 | 5 |
| 2019 | 4 | 6 |
| 2020 | 2 | 2 |
| 2021 | 7 | 5 |
| 2022 | 5 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Discharge lamp28 Apr 2026US 12,614,710 B1Ushio Denki Kabushiki Kaisha
- Lamp-housing assembly with axially and radially aligned and electrically coupled elements27 Jan 2026US 12,535,470 B2Agilent Technologies, Inc.
- Flash lamp1 Jul 2025US 12,347,669 B2Hamamatsu Photonics K.K.
- Arc lamp with forming gas for thermal processing systems15 Oct 2024US 12,119,216 B2Beijing E-Town Semiconductor Technology Co., Ltd.
- Super-high pressure lamp23 Apr 2024US 11,965,640 B2Ushio Denki Kabushiki Kaisha
- Open path planar geometry led triggered flash lamps30 Jul 2026US 2026/0221409 A1Excelitas Technologies Corp.
- Flash lamp28 May 2026US 2026/0148954 A1Mitorika Co., Ltd.
- Method for generating high-intensity pulses of continous-spectrum uv radiation and device for carrying out same4 Sep 2025US 2025/0279273 A1Obshchestvo S Ogranichennoi Otvetstvennostiu <<Nauchno-Proizvodstvennoe Predpriiatie
- Treatment device and method1 May 2025US 2025/0134588 A1Koninklijke Philips N. V.
- Gas-discharge lamp, lamp array for high operating voltages, and use of such lamps9 Jan 2025US 2025/0014886 A1Flaxtec GmbH
Most cited
By later US patents
- Xenon short arc discharge lamp109US 4,937,496 AW. C. Heraeus GmbH · 1990
- Portable high power arc lamp system and applications therefor88US 5,879,159 AIon Laser Technology · 1999
- Light source83US 6,885,134 B2Hamamatsu Photonics K.K. · 2005
- High-power metal halide reflector lamp71US 5,621,267 AILC Technology, Inc. · 1997
- Centralized lighting system employing a high brightness light source68US 4,958,263 AGeneral Electric Company · 1990