Inventor
MENNEMANN KARL
DE16 patents
⚠️ This page may combine multiple inventors who share the name “MENNEMANN KARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHOTT GLASWERKE
11 patentsUS4584279AApr 22, 1986
Optical glass with refractive indices>1.90, Abbe numbers>25 and high chemical stability
SCHOTT GLASWERKE150 citations98
US4520115AMay 28, 1985
High absorbance Pb-containing glass for cathode ray tube picture screen
SCHOTT GLASWERKE64 citations96
US4390638AJun 28, 1983
Acidproof, hydrolysis-resistant optical and ophthalmic glass of low density
SCHOTT GLASWERKE69 citations96
US4562161ADec 31, 1985
Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm3
SCHOTT GLASWERKE93 citations95
US4472511ASep 18, 1984
Highly refractive, ThO2 -free optical glasses having refractive indices of 1.86-1.94 and Abbe-index numbers greater than or equal to 30
SCHOTT GLASWERKE61 citations95
US4526874AJul 2, 1985
Optical light weight glass with a refractive index of >1.70, an Abbe index of >22 and a density of <3.5 G/CM3
SCHOTT GLASWERKE39 citations90
US4439531AMar 27, 1984
CdO-ThO2 -Free, highly refractive optical glass
SCHOTT GLASWERKE23 citations82
US4438211AMar 20, 1984
Optical and ophthalmic glass with refractive indices nd>1.58, Abbe numbers>45 and densities<2.75 g/cm3
SCHOTT GLASWERKE26 citations82
US4400473AAug 23, 1983
Acidproof, hydrolysis-resistant optical and ophathalmic glass of low density
SCHOTT GLASWERKE18 citations82
US4719186AJan 12, 1988
Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm3
SCHOTT GLASWERKE13 citations73
US4642297AFeb 10, 1987
Optical glass with refractive indexes of 1.60-1.69 and Abbe numbers of at least 54 with particularly low density and particularly good chemical stability
SCHOTT GLASWERKE15 citations70
SCHOTT AG
4 patentsUS9018116B2Apr 28, 2015
Optical glass
SCHOTT AG8 citations83
US7297647B2Nov 20, 2007
Lead- and arsenic-free optical lanthanum flint glasses
SCHOTT AG7 citations74
US7444837B2Nov 4, 2008
Method and device for melting glass using an induction-heated crucible with cooled crust
SCHOTT AG5 citations59
US9701568B2Jul 11, 2017
Highly refractive thin glasses
SCHOTT AG1 citations51