Patents for H01K 13 - Lamps having an incandescent body which is substantially non-conductive until heated, e.g. nernst lamp (29) |
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01/24/2013 | DE112010003688T5 Mittel-ir-quelle mit verbessertem emissionsvermögen Central ir source with improved emission assets |
01/22/2013 | US8358089 Solid-state lighting of a white light with tunable color temperatures |
10/03/2012 | EP2504169A1 Apparatus and method for laminating a first and a second sheet |
09/12/2012 | CN102666099A Apparatus and method for laminating a first and a second sheet |
07/04/2012 | CN102549711A Emissivity enhanced mid IR source |
11/29/2011 | US8065798 Method of manufacturing printed circuit board |
07/21/2011 | WO2011086059A1 Fitting system for circuit carriers having a plurality of fitting heads |
06/03/2011 | WO2011065819A1 Apparatus and method for laminating a first and a second sheet |
03/24/2011 | WO2011035170A1 Emissivity enhanced mid ir source |
03/23/2010 | US7682076 Temperature sensor |
02/14/2008 | US20080036377 Light Bulb Comprising An Illumination Body That Contains Carbide |
12/06/2007 | US20070278926 Lamp With Improved Lamp Profile |
05/09/2007 | CN2899104Y Tungsten fluorescent tube |
10/25/2006 | EP1206793B1 Light source with an indirectly heated filament |
08/24/2006 | US20060186836 Method and apparatus for adhering light-shielding sheets respectively onto transparent bodies |
03/02/2006 | DE102004040711A1 Illumination element consists of a metal conductor which can be connected to a current source and which lights up on switching on the current and is completely covered by a ceramic coating providing thermal luminescence |
08/13/2003 | EP1335410A2 Tungsten-rhenium filament and method for producing same |
07/22/2003 | US6597107 Tungsten-rhenium filament and method for producing same |
07/17/2003 | US20030132707 Tungsten-rhenium filament and method for producing same |
02/20/1996 | US5493177 For forming a microstructure |
05/04/1995 | WO1995012211A1 Sealed micromachined vacuum and gas filled devices |
01/17/1995 | US5382873 High-pressure discharge lamp with incandescing metal droplets |
03/01/1994 | US5291022 High efficiency infrared source |
02/08/1994 | US5285131 Vacuum-sealed silicon incandescent light |
01/05/1994 | EP0577261A2 High efficiency infrared source |
07/21/1993 | CN1074554A High-pressure discharge lamp |
06/09/1993 | EP0545476A1 High-pressure discharge lamp |
02/01/1989 | CN1030853A Method of connecting armature winding to commutator segment |
09/21/1988 | EP0282671A1 A method of connecting an armature winding to a commutator segment |