H05B 41/2806
With semiconductor devices and specially adapted for lamps without electrodes in the
Official title: {with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps}
H05B41/2806 (With semiconductor devices and specially adapted for lamps without electrodes in the) appears on 282 US grants and 245 published applications in this corpus.
Search patents in H05B- Granted patents
- 282
- Published applications
- 245
- Assignees
- 111
- Inventors
- 441
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 10 |
| 2003 | 6 | 4 |
| 2004 | 7 | 14 |
| 2005 | 11 | 11 |
| 2006 | 14 | 15 |
| 2007 | 11 | 25 |
| 2008 | 10 | 10 |
| 2009 | 10 | 29 |
| 2010 | 16 | 25 |
| 2011 | 14 | 12 |
| 2012 | 18 | 16 |
| 2013 | 16 | 9 |
| 2014 | 12 | 35 |
| 2015 | 7 | 2 |
| 2016 | 11 | 3 |
| 2017 | 5 | 4 |
| 2018 | 8 | 2 |
| 2019 | 7 | 4 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 7 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 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
- Light source device, dielectric barrier discharge lamp lighting circuit, dielectric barrier discharge lamp lighting method8 Jul 2025US 12,356,517 B2Ushio Denki Kabushiki Kaisha
- Inductively coupled plasma light source with switched power supply26 Nov 2024US 12,156,322 B2Energetiq Technology, Inc.
- Hybrid power supply systems, methods, and devices for excimer lamps5 Nov 2024US 12,133,927 B2Goodrich Corporation
- Hybrid power supply systems, methods, and devices for excimer lamps11 Jun 2024US 12,010,768 B2Goodrich Corporation
- Power supply circuit and lamp10 Sep 2026US 2026/0271145 A1Filament Lighting LLC
- Method and apparatus for light generation29 Jan 2026US 2026/0031316 A1Excelitas Technologies Corp.
- Inductively Coupled Plasma Light Source with Switched Power Supply13 Feb 2025US 2025/0056705 A1Energetiq Technology, Inc.
- Inductively Coupled Plasma Light Source with Switched Power Supply13 Jun 2024US 2024/0196506 A1Energetiq Technology, Inc.
- Inactivation method and inactivation system28 Dec 2023US 2023/0414805 A1Ushio Denki Kabushiki Kaisha
Most cited
By later US patents
- Method to operate an incoherently emitting radiation source having at least one dielectrically impeded electrode583US 5,604,410 APatent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 1997
- Plasma lamp with stable feedback amplification and method therefor352US 7,638,951 B2Luxim Corporation · 2009
- Dual feedback control for a high-efficiency class-d power amplifier circuit256US 5,118,997 AGeneral Electric Company · 1992
- External resonator electrode-less plasma lamp and method of exciting with radio-frequency energy181US 8,427,067 B2Topanga Technologies, Inc. · 2013
- Plasma supply device96US 8,129,653 B2HUETTINGER Elektronik GmbH + Co. KG · 2012