H01J 61/20
Mercury vapour
Official title: mercury vapour
H01J61/20 (Mercury vapour) appears on 180 US grants and 156 published applications in this corpus.
Search patents in H01J- Granted patents
- 180
- Published applications
- 156
- Assignees
- 94
- Inventors
- 443
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 5 |
| 2002 | 6 | 10 |
| 2003 | 13 | 11 |
| 2004 | 13 | 9 |
| 2005 | 4 | 11 |
| 2006 | 7 | 17 |
| 2007 | 10 | 10 |
| 2008 | 4 | 4 |
| 2009 | 5 | 13 |
| 2010 | 5 | 5 |
| 2011 | 5 | 6 |
| 2012 | 7 | 6 |
| 2013 | 9 | 11 |
| 2014 | 8 | 5 |
| 2015 | 2 | 4 |
| 2016 | 7 | 3 |
| 2017 | 5 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 5 |
| 2020 | 3 | 2 |
| 2021 | 3 | 2 |
| 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.
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
- Heavily loaded double-ended arc lamp80US 5,486,737 AOsram Sylvania Inc. · 1996
- Point-of-use water treatment system35US 6,451,202 B1Access Business Group International LLC · 2002
- Method and apparatus for operating a mercury vapor lamp34US 3,983,385 AUnion Carbide Corporation · 1976
- Device for operation of a high pressure discharge lamp30US 7,023,144 B2Ushiodenki Kabushiki Kaisha · 2006
- Antioxidant control of leachable mercury in fluorescent lamps29US 5,754,002 AGeneral Electric Company · 1998