HK

Helmut Koster

📍 Frankfurt am Main, DE: #312 of 1,925 inventorsTop 20%
Overall (All Time): #654,747 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D670119 Venetian blind slat 2012-11-06
8054546 Glass façades as media screen 2011-11-08
6845805 Toothed daylight blinds 2005-01-25
6240999 Stepped lamella for guiding light radiation 2001-06-05
5495724 Cooling system 1996-03-05
5363908 Heating and cooling arrangement in particular of a structure suspended from a room ceiling 1994-11-15
5293305 Light guidance system for the illumination of an interior area 1994-03-08
4715358 Automatic control of incident solar flux 1987-12-29