Inventor
BIEDERMANN ERNST
DE15 patents
⚠️ This page may combine multiple inventors who share the name “BIEDERMANN ERNST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGFA GEVAERT AG
12 patentsUS4364147ADec 21, 1982
Apparatus for removing particles of dust from the surfaces of flat objects
AGFA GEVAERT AG55 citations94
US4218133AAug 19, 1980
Photographic copying apparatus
AGFA GEVAERT AG24 citations81
US4218032AAug 19, 1980
Apparatus for convoluting webs onto rotary cores
AGFA GEVAERT AG25 citations79
US4647187AMar 3, 1987
Photographic copier
AGFA GEVAERT AG17 citations73
US4444489AApr 24, 1984
Apparatus for influencing the color of copying light in photographic copying machines or the like
AGFA GEVAERT AG7 citations72
US4214689AJul 29, 1980
Automatic counteracting of transverse shift of a longitudinally transported strip
AGFA GEVAERT AG14 citations72
US4194836AMar 25, 1980
Photographic copying machine with carrier structure _carrying format masks to and away from the copying station
AGFA GEVAERT AG8 citations72
US4240744ADec 23, 1980
Photographic copying machine with interchangeable format masks
AGFA GEVAERT AG9 citations70
US4175857ANov 27, 1979
Photographic copying machine
AGFA GEVAERT AG10 citations70
US4390270AJun 28, 1983
Photographic copier
AGFA GEVAERT AG6 citations63
US4704026ANov 3, 1987
Copying method and arrangement for difficult-to-copy originals
AGFA GEVAERT AG5 citations60
US4353646AOct 12, 1982
Apparatus for positioning originals in photographic copying machines
AGFA GEVAERT AG4 citations60
SIEMENS AG
3 patentsUS5644140AJul 1, 1997
Apparatus for checking semiconductor wafers with complementary light sources and two cameras
SIEMENS AG62 citations90
US5825499AOct 20, 1998
Method for checking wafers having a lacquer layer for faults
SIEMENS AG12 citations73
US5742395AApr 21, 1998
Method for checking semiconductor wafers and apparatuses for carrying out the method
SIEMENS AG11 citations65