H01K 1/52
Means for obtaining or maintaining the desired pressure within the vessel
H01K1/52 (Means for obtaining or maintaining the desired pressure within the vessel) appears on 35 US grants and 9 published applications in this corpus.
Search patents in H01K- Granted patents
- 35
- Published applications
- 9
- Assignees
- 16
- Inventors
- 60
- Latest grant
- 26 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lamp with temperature control26 Sep 2023US 11,769,658 B2Trojan Technologies Group Ulc
- Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound22 Mar 2011US 7,911,121 B2Osram Gesellschaft Mit Beschraenkter Haftung
- Infrared radiation emitter17 Oct 2006US 7,122,815 B2
- Tungsten halogen lamp with halogen-containing compound and silicon-containing compound18 Oct 2005US 6,956,328 B1General Electric Company
- Halogen lamps, fill material and methods of dosing halogen lamps9 Nov 2004US 6,815,888 B2Advanced Lighting Technologies, Inc.
- Ultraviolet cathodluminescent systems and methods26 Feb 2026US 2026/0059622 A1NS Nanotech, Inc.
- Lamp with temperature control3 Feb 2022US 2022/0037143 A1Trojan Technologies Group Ulc
- Platinum-based infrared light source for gas detection9 May 2013US 2013/0112896 A1Axetris AG
- Halogen incandescent lamp6 Oct 2011US 2011/0241520 A1Osram Gesellschaft Mit Beschraenkter Haftung
- Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound19 Feb 2009US 2009/0045742 A1Osram Gesellschaft Mit Beschraenkter Haftung
Most cited
By later US patents
- Compact halogen-cycle incandescent lamp, and lamp unit utilizing such lamp as a light source18US 4,463,277 ANorth American Philips Lighting Corporation · 1984
- Tungsten halogen lamp with coiled getter11US 4,415,833 AGTE Products Corporation · 1983
- Process for manufacturing incandescent lamps having gettering agents10US 5,800,235 AIllumination Technology, Inc. · 1998
- Electric lamp including oxygen getter7US 4,727,286 AGTE Products Corporation · 1988
- Electric lamp provided with a getter including palladium7US 4,894,584 AU. S. Philips Corporation · 1990