Inventor
HOHLFELD ANDREAS
DE13 patents
⚠️ This page may combine multiple inventors who share the name “HOHLFELD ANDREAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH
8 patentsUS5363007ANov 8, 1994
Low-power, high-pressure discharge lamp, particularly for general service illumination use
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH43 citations89
US5854535ADec 29, 1998
Metal halide discharge lamp with a quartz discharge vessel and an outer UV radiation absorbent envelope
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH16 citations72
US5210463AMay 11, 1993
Metal halide low-power high-pressure discharge lamp
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH10 citations72
US5107177AApr 21, 1992
High-pressure discharge lamp
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH14 citations72
US7253562B2Aug 7, 2007
Lamp which is closed on two sides
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH3 citations59
US7221098B2May 22, 2007
Electric lamp with outer bulb and associated support body
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH2 citations59
US7112116B2Sep 26, 2006
Process for producing an electric lamp with outer bulb
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH2 citations59
US4948530AAug 14, 1990
Method to make a reflective coating on high-pressure discharge lamps
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH5 citations59