H01J 2893/0033
Vacuum connection techniques applicable to discharge tubes and lamps
H01J2893/0033 (Vacuum connection techniques applicable to discharge tubes and lamps) appears on 4 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 4
- Published applications
- 1
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 30 May 1978
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
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| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 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 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Vapor discharge lamp cermet electrode-closure and method of making30 May 1978US 4,092,560 AChemokomplex Vegyipari Gepes Berendezes Export-Import Vallalat
- Vacuum-tight seals between ceramic and aluminium components, evacuated envelopes incorporating the components sealed by said method, and vacuum tubes incorporating said envelopes19 Apr 1977US 4,019,080 AThomson-CSF
- Gasket material applicator15 Feb 1977US 4,007,704 ALoctite Corporation
- Vacuum sealing apparatus31 Aug 1976US 3,977,428 ASiemens Aktiengesellschaft
Most cited
By later US patents
- Vapor discharge lamp cermet electrode-closure and method of making11US 4,092,560 AChemokomplex Vegyipari Gepes Berendezes Export-Import Vallalat · 1978
- Vacuum-tight seals between ceramic and aluminium components, evacuated envelopes incorporating the components sealed by said method, and vacuum tubes incorporating said envelopes10US 4,019,080 AThomson-CSF · 1977
- Gasket material applicator7US 4,007,704 ALoctite Corporation · 1977
- Vacuum sealing apparatus3US 3,977,428 ASiemens Aktiengesellschaft · 1976