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DEUTSCHE SPEZIALGLAS AG

Overview
  • Total Patents
    57
About

DEUTSCHE SPEZIALGLAS AG has a total of 57 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Germany, United States and France. Its main competitors in its focus markets machines, materials and metallurgy and optics are JENAER GLASWERK GMBH, CORNING FRANCE and HOYA GLASS WORKS LTD.

Patent filings in countries

World map showing DEUTSCHE SPEZIALGLAS AGs patent filings in countries

Patent filings per year

Chart showing DEUTSCHE SPEZIALGLAS AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kassner Reinhard 18
#2 Behr Werner 12
#3 Fricke Helmut 5
#4 Pein Andreas 4
#5 Gott Otto 3
#6 Rainharudo Kasuneru 2
#7 Gliemeroth Georg Dipl Ing Dr 2
#8 Fricke Helmut Ing Grad 2
#9 Behr Werner Dipl Chem Dr 2
#10 Schoenfeld Guenter 2

Latest patents

Publication Filing date Title
DE19720974C1 Front filter for self-illuminating picture screen
DE19702448A1 Heated front mirror especially vehicle exterior mirror
DE19634576C1 Contrast enhancing front filter for picture screen
DE19510195A1 Process for producing bright-pressed glass bodies for optical equipment and device for carrying out the process
DE4436561C1 Changing curvature of anodically bonded flat composite bodies, e.g. glass and metal
DE4425866A1 Wide-angle automobile rear view mirror
DE4408190C1 High-index phototropic glass
DE4336122C1 High-refraction ophthalmic glass and use of the glass
DE4213493A1 Indicator for the detection of UV-B radiation
US5217927A Highly refractive, low-density, phototropic glass
EP0438646A1 Rearview mirror for vehicles, specially for automotive vehicles
DE3825210A1 HIGH-BREAKING PHOTOTROPIC GLASS LOW DENSITY
DE3728100A1 Mirror having a reflection layer located on the front face of a substrate
DE3512494A1 Blue-tinted heatable mirror and method for producing it
DE3309024A1 Heatable mirror having a back surface protected against corrosion
DE3309023A1 Heatable mirror and method for producing such a mirror
DE3220072A1 DARK BLUE COLORED OVEN SIGHT GLASS WITH HIGH INFRARED ABSORPTION
DE3108900A1 Phototropic glass, and process for the production thereof
DE3032580A1 SURFACE GLASS AND METHOD FOR THE PRODUCTION THEREOF
DE2938098A1 MOLDING RESIN MIXTURE FOR PRODUCING PLASTIC MOLDED BODIES WITH OPTICAL SURFACE QUALITY, THEIR USE AND METHOD AND DEVICE FOR PRODUCING REAR MIRRORS FOR MOTOR VEHICLES OR THE LIKE.