H01J 61/52
Cooling arrangements
Official title: Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space {(heating or cooling arrangements to promote ionisation for starting H01J61/54)}
H01J61/52 (Cooling arrangements) appears on 565 US grants and 425 published applications in this corpus.
Search patents in H01J- Granted patents
- 565
- Published applications
- 425
- Assignees
- 255
- Inventors
- 1,203
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 17 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 21 | 5 |
| 2002 | 11 | 23 |
| 2003 | 18 | 25 |
| 2004 | 28 | 18 |
| 2005 | 12 | 28 |
| 2006 | 11 | 29 |
| 2007 | 15 | 32 |
| 2008 | 25 | 34 |
| 2009 | 21 | 37 |
| 2010 | 14 | 26 |
| 2011 | 30 | 13 |
| 2012 | 18 | 13 |
| 2013 | 14 | 24 |
| 2014 | 15 | 17 |
| 2015 | 20 | 17 |
| 2016 | 17 | 8 |
| 2017 | 8 | 9 |
| 2018 | 10 | 4 |
| 2019 | 9 | 5 |
| 2020 | 5 | 4 |
| 2021 | 8 | 10 |
| 2022 | 11 | 18 |
| 2023 | 9 | 13 |
| 2024 | 10 | 5 |
| 2025 | 3 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light source29 Sep 2026US 12,749,668 B2
- Excimer lamp with integrated heatsink15 Sep 2026US 12,738,473 B2
- 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 radiation apparatus30 Sep 2025US 12,429,190 B2Shikoh Tech LLC
- Cathode-ray tube ultraviolet light source15 Jul 2025US 12,362,166 B2
- Installation with sealing device for a lamp26 Mar 2026US 2026/0085830 A1Claranor
- Cathode-ray tube ultraviolet light source23 Oct 2025US 2025/0329526 A1
- Irradiation device with excimer emitters as uv source16 Oct 2025US 2025/0323034 A1Iot – Innovative Oberflaechentechnologien GmbH
- Ultraviolet light emitting element and ultraviolet light irradiation device provided with the same9 Oct 2025US 2025/0316471 A1Shikoh Tech LLC
- Skin treatment apparatus22 May 2025US 2025/0161706 A1Shenzhen Ulike Smart Electronics Co., Ltd.
Most cited
By later US patents
- Radiation apparatus206US 4,298,005 A1981
- High frequency inductive lamp and power oscillator157US 6,313,587 B1Fusion Lighting, Inc. · 2001
- Control mechanism for regulating the temperature and output of a fluorescent lamp138US 5,808,418 AHoneywell Inc. · 1998
- Plasma lamp with dielectric waveguide108US 6,737,809 B2Luxim Corporation · 2004
- Compact fluorescent lamp unit having segregated air-cooling means107US 4,503,360 ANorth American Philips Lighting Corporation · 1985