H01J 61/70
Lamps with low-pressure unconstricted discharge having a cold pressure < 400 torr
Official title: Lamps with low-pressure unconstricted discharge {having a cold pressure < 400 Torr}
H01J61/70 (Lamps with low-pressure unconstricted discharge having a cold pressure < 400 torr) appears on 696 US grants and 444 published applications in this corpus.
Search patents in H01J- Granted patents
- 696
- Published applications
- 444
- Assignees
- 288
- Inventors
- 1,349
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 17 | 0 |
| 1986 | 6 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 26 | 0 |
| 1997 | 24 | 0 |
| 1998 | 48 | 0 |
| 1999 | 38 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 11 |
| 2002 | 37 | 48 |
| 2003 | 32 | 32 |
| 2004 | 36 | 29 |
| 2005 | 24 | 27 |
| 2006 | 14 | 34 |
| 2007 | 17 | 53 |
| 2008 | 21 | 30 |
| 2009 | 26 | 45 |
| 2010 | 24 | 26 |
| 2011 | 26 | 14 |
| 2012 | 17 | 16 |
| 2013 | 16 | 17 |
| 2014 | 10 | 10 |
| 2015 | 8 | 8 |
| 2016 | 8 | 8 |
| 2017 | 5 | 7 |
| 2018 | 3 | 3 |
| 2019 | 8 | 8 |
| 2020 | 6 | 2 |
| 2021 | 5 | 5 |
| 2022 | 4 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultraviolet disinfection device1 Oct 2024US 12,102,724 B2Germbot, LLC
- Flash irradiation device and flash discharge lamp4 Jun 2024US 12,002,673 B1Ushio Denki Kabushiki Kaisha
- UV emitter module and use thereof2 Jan 2024US 11,857,686 B2Heraeus Noblelight GmbH
- Phosphor for a UV emitting device and a UV generating device utilizing such a phosphor24 Oct 2023US 11,798,798 B2Xylem Europe GmbH
- Lamp with temperature control26 Sep 2023US 11,769,658 B2Trojan Technologies Group Ulc
- Open path planar geometry led triggered flash lamps30 Jul 2026US 2026/0221409 A1Excelitas Technologies Corp.
- Flash lamp28 May 2026US 2026/0148954 A1Mitorika Co., Ltd.
- Installation with sealing device for a lamp26 Mar 2026US 2026/0085830 A1Claranor
- Flash irradiation device and flash discharge lamp13 Jun 2024US 2024/0194474 A1Ushio Denki Kabushiki Kaisha
- Ultraviolet disinfection device25 May 2023US 2023/0158188 A1Germbot, LLC
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
- Fluorescent tube with light emitting diodes234US 6,583,550 B2Toyoda Gosei Co., Ltd. · 2003
- Tricolor fluorescent lamp195US 4,625,152 AMatsushita Electric Works, Ltd. · 1986
- Color changing light devices with active ingredient and sound emission for mood enhancement169US 7,476,002 B2S. C. Johnson & Son, Inc. · 2009
- Illumination device, method for driving the illumination device and display including the illumination device131US 6,066,920 ASharp Kabushiki Kaisha · 2000