Inventor
DEISENHOFER MANFRED
DE9 patents
⚠️ This page may combine multiple inventors who share the name “DEISENHOFER MANFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH
6 patentsUS5572091ANov 5, 1996
Quartz glass with reduced ultraviolet radiation transmissivity, and electrical discharge lamp using such glass
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH57 citations92
US5464462ANov 7, 1995
Method of making a quartz glass tube having a reduced ultraviolet radiation transmissivity
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH20 citations90
US5336969AAug 9, 1994
Highly thermally loaded electric lamp with reduced UV light emission, and method of its manufacture
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH7 citations72
US5589734ADec 31, 1996
Electric lamp having a fluorescence-suppressed quartz-glass envelope, and quartz glass therefor
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH10 citations70
US5808411ASep 15, 1998
Fluorescence-suppressed quartz glass, and electric lamp with this quartz glass
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH2 citations59
US5180695AJan 19, 1993
Lead oxide-free glass, particularly for use in electric lamps
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH5 citations56