H01K 3/22
Exhausting, degassing, filling, or cleaning vessels
H01K3/22 (Exhausting, degassing, filling, or cleaning vessels) appears on 27 US grants and 6 published applications in this corpus.
Search patents in H01K- Granted patents
- 27
- Published applications
- 6
- Assignees
- 25
- Inventors
- 62
- Latest grant
- 29 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fluorescent lamp and base with press-fit hole29 May 2012US 8,188,646 B2Osram-Melco Limited
- Fluorescent lamp and ferrule25 Nov 2008US 7,456,559 B2Osram-Melco Limited
- Method of sealing a lamp by deformation of a pinch region using high-energy radiation4 Nov 2008US 7,445,534 B2Patent - Trewhand - Gesellschaft für elektrische Glühlampen mbH
- Method of manufacturing three-dimensional printed wiring board31 Dec 2002US 6,499,217 B1Denso Corporation
- Process for manufacturing incandescent lamps having gettering agents1 Sep 1998US 5,800,235 AIllumination Technology, Inc.
- Platinum-based infrared light source for gas detection9 May 2013US 2013/0112896 A1Axetris AG
- Tantalum carbide filament lamp and process for the production thereof22 Jul 2010US 2010/0181907 A1Koninklijke Philips Electronics N. V.
- Fluorescent lamp and base22 Oct 2009US 2009/0264000 A1Osram-Melco Limited
- Fluorescent lamp and base9 Oct 2008US 2008/0246384 A1
- Fluorescent Lamp and ferrule29 Jun 2006US 2006/0139924 A1Osram-Melco Limited
Most cited
By later US patents
- Method of manufacturing ceramic electronic device57US 4,766,671 ANEC Corporation · 1988
- Printed circuit board with metallized grooves57US 5,451,722 A1995
- Method for making printed circuit boards56US 5,390,412 A1995
- Method and apparatus for making printed circuit boards54US 5,334,279 A1994
- Tungsten-fluorine lamp with native retained oxygen therein and method of manufacture21US 4,005,324 AGeneral Motors Corporation · 1977