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