H01J 61/18
Having a metallic vapour as the principal constituent
Official title: having a metallic vapour as the principal constituent
H01J61/18 (Having a metallic vapour as the principal constituent) appears on 281 US grants and 194 published applications in this corpus.
Search patents in H01J- Granted patents
- 281
- Published applications
- 194
- Assignees
- 128
- Inventors
- 629
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 11 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 6 |
| 2002 | 9 | 11 |
| 2003 | 14 | 11 |
| 2004 | 13 | 9 |
| 2005 | 5 | 12 |
| 2006 | 7 | 21 |
| 2007 | 11 | 13 |
| 2008 | 6 | 6 |
| 2009 | 5 | 16 |
| 2010 | 8 | 7 |
| 2011 | 6 | 7 |
| 2012 | 9 | 6 |
| 2013 | 9 | 12 |
| 2014 | 12 | 9 |
| 2015 | 6 | 10 |
| 2016 | 9 | 4 |
| 2017 | 7 | 6 |
| 2018 | 7 | 6 |
| 2019 | 4 | 6 |
| 2020 | 4 | 3 |
| 2021 | 3 | 3 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lamp monitoring and control system and method26 May 2026US 12,641,701 B2Smartcap Innovations, LLC
- Discharge lamp28 Apr 2026US 12,614,710 B1Ushio Denki Kabushiki Kaisha
- Light emitting plasma lamp bulb for solar UV simulation and lamp comprising the same24 Mar 2026US 12,586,772 B2Korea Research Institute of Chemical Technology
- Ultraviolet and vacuum ultraviolet lamps driven by molecular-atomic, atomic-atomic, or atomic-molecular excitation transfer23 Sep 2025US 12,424,432 B2Eden Park Illumination
- System for portable gas storage and delivery14 May 2024US 11,984,312 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Open path planar geometry led triggered flash lamps30 Jul 2026US 2026/0221409 A1Excelitas Technologies Corp.
- Flash lamp28 May 2026US 2026/0148954 A1Mitorika Co., Ltd.
- Photo-emitting plasma for activation in processing chambers, and related apparatus and methods5 Jun 2025US 2025/0183066 A1APPLIED Materials.Inc.
- Light emitting plasma lamp bulb for solar uv simulation and lamp comprising the same22 Feb 2024US 2024/0063011 A1Korea Research Institute of Chemical Technology
- Ultraviolet and vacuum ultraviolet lamps driven by molecular-atomic, atomic-atomic, or atomic-molecular excitation transfer22 Feb 2024US 2024/0063012 A1Eden Park Illumination
Most cited
By later US patents
- Air cooled horticulture lighting fixture for a double ended high pressure sodium lamp83US 9,016,907 B2IP Holdings, LLC · 2015
- Heavily loaded double-ended arc lamp80US 5,486,737 AOsram Sylvania Inc. · 1996
- High pressure sodium lamp of low power75US 6,051,927 APatent-Truehand-Gesellschaft fuer elektrische Gluelampen mbH · 2000
- High-pressure sodium lamp74US 5,510,676 AU. S. Philips Corporation · 1996
- Mercury-free metal halide lamp50US 6,069,456 AOsram Sylvania Inc. · 2000