H01J 61/26
Means for absorbing or adsorbing gas
Official title: Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
H01J61/26 (Means for absorbing or adsorbing gas) appears on 183 US grants and 151 published applications in this corpus.
Search patents in H01J- Granted patents
- 183
- Published applications
- 151
- Assignees
- 88
- Inventors
- 426
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 3 |
| 2002 | 2 | 4 |
| 2003 | 5 | 9 |
| 2004 | 4 | 12 |
| 2005 | 7 | 17 |
| 2006 | 8 | 14 |
| 2007 | 7 | 10 |
| 2008 | 4 | 5 |
| 2009 | 4 | 10 |
| 2010 | 5 | 8 |
| 2011 | 4 | 9 |
| 2012 | 8 | 2 |
| 2013 | 8 | 6 |
| 2014 | 4 | 3 |
| 2015 | 2 | 9 |
| 2016 | 6 | 7 |
| 2017 | 6 | 4 |
| 2018 | 4 | 5 |
| 2019 | 5 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 3 |
| 2022 | 4 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Discharge lamp28 Apr 2026US 12,614,710 B1Ushio Denki Kabushiki Kaisha
- High-power compact VUV laser-sustained plasma light source21 Oct 2025US 12,452,987 B2KLA Corporation
- Light-emitting gas recovery method and light-emitting gas recovery apparatus11 Mar 2025US 12,249,500 B1Ushio Denki Kabushiki Kaisha
- Light emitting sealed body, light source device, and method for driving light emitting sealed body30 May 2023US 11,664,211 B2Hamamatsu Photonics K.K.
- Rotating lamp for laser-sustained plasma illumination source28 Feb 2023US 11,596,048 B2KLA Corporation
- Light-emitting gas recovery method and light-emitting gas recovery apparatus6 Mar 2025US 2025/0079147 A1Ushio Denki Kabushiki Kaisha
- High-power compact vuv laser-sustained plasma light source15 Aug 2024US 2024/0274430 A1KLA Corporation
- Vuv laser-sustained plasma light source with long-pass filtering15 Aug 2024US 2024/0276625 A1KLA Corporation
- Light emitting sealed body, light source device, and method for driving light emitting sealed body6 Apr 2023US 2023/0104797 A1Hamamatsu Photonics K.K.
- Discharge lamp, discharge lamp electrode, and discharge lamp electrode manufacturing method9 Jun 2022US 2022/0181139 A1Ushio Denki Kabushiki Kaisha
Most cited
By later US patents
- Electric lamp device and lighting apparatus67US 6,234,649 B1Moriyama Sangyo Kabushiki Kaisha · 2001
- Nonevaporable getter alloys41US 5,961,750 ASaes Getters S. P. A. · 1999
- Low temperature reusable hydrogen getter24US 4,668,424 AErgenics, Inc. · 1987
- Dielectric barrier discharge lamp22US 5,444,331 AUshiodenki Kabushiki Kaisha · 1995
- Combination of materials for mercury-dispensing devices, method of preparation and devices thus obtained20US 5,520,560 ASaes Getters S. P. A. · 1996